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CN103821816B - Snap ring with multiple rollers - Google Patents

Snap ring with multiple rollers Download PDF

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Publication number
CN103821816B
CN103821816B CN201310392969.3A CN201310392969A CN103821816B CN 103821816 B CN103821816 B CN 103821816B CN 201310392969 A CN201310392969 A CN 201310392969A CN 103821816 B CN103821816 B CN 103821816B
Authority
CN
China
Prior art keywords
cylinder
sidepiece
guide groove
snap ring
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201310392969.3A
Other languages
Chinese (zh)
Other versions
CN103821816A (en
Inventor
詹姆斯·姜
里卡多.姜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAMES JANG
RICARDO JANG
VICTORIA JIYOUNG JANG
Original Assignee
VICTORIA JIYOUNG JANG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VICTORIA JIYOUNG JANG filed Critical VICTORIA JIYOUNG JANG
Publication of CN103821816A publication Critical patent/CN103821816A/en
Application granted granted Critical
Publication of CN103821816B publication Critical patent/CN103821816B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00Drawn nets
    • A01K73/02Trawling nets
    • A01K73/06Hauling devices for the headlines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00Hooks; Eyes
    • F16B45/02Hooks with pivoting or elastically bending closing member
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K75/00Accessories for fishing nets; Details of fishing nets, e.g. structure

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Massaging Devices (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

A snap ring having a plurality of rollers is configured such that pressure applied to the snap ring or rollers from a seine is distributed to two rollers rather than concentrated on one roller. The first side portion and the second side portion of the frame are diagonally formed so that the contraction wire provided on the first side roller or the second side roller is easily moved toward the middle roller along the first side portion or the second side portion. Thus, the pressure applied to the snap ring or the plurality of rollers from the contraction wire can be uniformly distributed to the first side roller and the middle roller or the second side roller and the middle roller, rather than being concentrated on only one roller. Therefore, the life of the snap ring can be increased.

Description

Snap ring with multiple rollers
Technical field
The invention mainly relates to the snap ring with multiple rollers, it is configured so that more particularly, to one kind from shrinkage front(purse line)Be applied to the pressure distribution of snap ring or multiple rollers to two adjacent rollers rather than be focusing only on a roller have it is many The snap ring of individual roller.
Background technology
Generally, purse seine is a kind of fishing net and is for capturing sardine, scad, Spanish mackerel, stripped tuna, tuna etc. Equipment.Such purse seine and traditional snap ring are shown in fig. 1 and 2.
As depicted in figs. 1 and 2, purse seine 200 is rectangle, and the center portion thereof point is more slightly wider than other parts.Moreover, multiple buoyancy Top edge of the unit 202 along purse seine 200 is set so that the top edge of purse seine 200 can float on the water, adopted iron chains(bridle chain)205 are arranged on the lower edge of purse seine 200 lower edge of purse seine 200 is sunk to below the water surface.By means of floating Power unit 202 and adopted iron chains 205, purse seine 200 can be sprinkled into water with vertical direction.Generally, purse seine 200 deploys about in water It is rounded to fish.
In addition, the lower edge for the shrinkage front 210 that reels the purse seine 200 of rounded expansion along purse seine 200 is set Put.Shrinkage front 210 is connected to the end of adopted iron chains 205 by being referred to as the connector of snap ring 100.Specifically, such as rope or The connectors such as belt 207 are connected to the end of adopted iron chains 205.Each connector 207 is connected to the first of corresponding snap ring 100 End.Shrinkage front 210 passes through the second end of snap ring 100, and shrinkage front 210 thus is connected into adopted iron chains 205.
In order to reel purse seine 200, when shrinkage front 210 is pulled by the hydraulic pressure purse seine winch being arranged on fisherman 220, enclose The adopted iron chains 205 of net 200 is also pulled, and so limits fish when reeling purse seine 200.
However, according to the snap ring 100 of conventional art, due to fish and the weight of the purse seine reeled 200, in shrinkage front 210 Relatively large frictional force is generated on contact surface between snap ring 100, so causes the surface of shrinkage front 210 and snap ring 100 Extreme wear, may cause fracture.This severe jamming fishing operation.Further, since the frequency of shrinkage front 210 and snap ring 100 Numerous replacing causes maintenance cost to increase, so as to cause income to reduce.
The big load being applied on each snap ring 100 is additionally, since, snap ring 100 may fracture.If by the snap ring being broken 100 entangle purse seine 200, and purse seine 200 may be wrapped in snap ring 100, or are torn due to the imbalance of tide or load, by This may produce the major accident relevant with purse seine 200.So, tightening up the operation of purse seine 200 may not smoothly perform.
In order to overcome above mentioned problem, in the number of registration 10-0986008 submitted by applicant of the present invention(Date:2010 September 30 days)Korean Patent in propose the snap ring with multiple rollers.The purpose of snap ring with multiple rollers is to reduce shrinking The frictional force produced on contact surface between line and snap ring.
Fig. 3 shows traditional snap ring with multiple rollers.With reference to Fig. 3, for the snap ring being connected to shrinkage front on purse seine 100 include:Framework 110, it, which has, is connected to the second end that the first end and shrinkage front of purse seine are passed through;And multiple rollers, its It is rotatably arranged at the position of shrinkage front contact framework 110 in framework 100.Multiple rollers include the first and second side rollers 141 With 142 and intermediate calender rolls 143, the first and second side rollers 141 and 142 are arranged on the opposed side portions of framework 100, intermediate calender rolls 143 It is arranged to span over the opposed side portions of framework 110 and is oriented to so that its opposite end faces the first and second side rollers 141 respectively With 142.
When shrinkage front is set through framework 110, positioning shrinkage front is so as to its first side and the first side roller 141 or the second side Roller 142 is contacted, and its second side is contacted with intermediate calender rolls 143.In this case, when mobile shrinkage front, the load of shrinkage front It is distributed to two rollers with shrinking linear contact lay(For example, the first side roller 141 and intermediate calender rolls 143).Further, it is possible to pass through the first side The rotations of roller 141 and intermediate calender rolls 143 reduces the friction between shrinkage front and framework 110.
Meanwhile, the situation that the ship for fishing operation is normally in response to sea is very easy to jolt and rocked.It is connected with ship Shrinkage front also easily all around move.In traditional snap ring 100 with multiple rollers, the first side roller 141 and intermediate calender rolls 143 Or second side roller 142 and intermediate calender rolls 143 formation right angle.Therefore, when shrinkage front is provided only on the first side roller 141 or the second side roller When on 142, shrinkage front can not be slided smoothly towards intermediate calender rolls 143, and be provided only on the first side roller 141 or the in shrinkage front Performed in the case of in two side rollers 142 and tighten up operation.In this case, the load of shrinkage front is focusing only on a part, i.e. The first side roller 141 or the second side roller 142 of shrinkage front are provided with, rather than is distributed to two parts, i.e. the first side roller 141 With the side roller 142 of intermediate calender rolls 143 or second and intermediate calender rolls 143.Finally, excessive pressure is applied to snap ring 100, so as to reduce In the life-span of snap ring 100, thus cause the increase of the replacement cost of snap ring 100.
In addition, traditional snap ring 100 also includes lock cell 150, it is arranged in framework 110 to be formed to open or close Frame openings in framework 110 are to allow shrinkage front to be connected to snap ring 100.Lock cell 150 includes the first cylinder 151, First cylinder 151 is hinged to the part of the framework of the first end corresponding to frame openings in the first end of lock cell 150.First Second end of cylinder is arranged in framework 110 in the position at the second end corresponding to frame openings.Lock cell 150 also includes Second cylinder 160, it is slided to open or close frame openings along the first cylinder 151.
In addition, guide groove 154 is formed on the side surface in the first cylinder 151 in the vertical.It is fastened to the second cylinder 160 guide finger 180 is moved along guide groove 154.First lock recess 155 and the second lock recess 156 are respectively formed at guiding First and second ends of groove 154.Guide finger 180 is locked to the first lock slots 155 or the second lock slots 156.When the edge of guide finger 180 When guide groove 154 is moved, the second cylinder 160 moves up or down and opens or closes frame openings.
During fishing operation, it is necessary to rapid to perform the operation for tightening up purse seine, and mobile second cylinder 160 is with will card The operation that ring 100 is connected to shrinkage front must also be performed rapidly.Therefore, spring 172 is arranged in the first cylinder 151, so as to Second cylinder 160 can be moved up or down automatically.By compressing or stretching and torsionspring 172, guide finger 180 can be with It is easily moved in the first lock recess 155 or the second lock recess 156 and is locked to the first lock recess 155 or the second lock Determine recess 156.Thus, the second cylinder 160 can be moved up or down automatically, therefore be easy to open or close framework 110 Operation.
However, in order to torsionspring 172, for example, it is desired to which the first and second coupling recess portion 174a and 178a are fixed The opposite end of spring 172, this causes total complicated.Which increase production cost.Moreover, the twist motion of spring 172 is disliked Change the elasticity of spring 172, thereby increase the replacement cost of part.
The content of the invention
Therefore, the present invention keeps the above mentioned problem occurred in the prior art firmly in mind, and it is an object of the invention to provide one kind tool There is the snap ring of multiple rollers, configure the snap ring with so that the pressure for being applied to snap ring or multiple rollers from shrinkage front is evenly distributed to first Side roller and intermediate calender rolls or the second side roller and intermediate calender rolls, rather than be focusing only on a roller, so as to reduce the replacing of part Cost.
It is a further object to provide a kind of snap ring with multiple rollers, configure the snap ring with cause elastic component without It need to be twisted, so as to add the durability of elastic component.
To achieve these goals, the present invention provides a kind of snap ring, and it includes framework and multiple rollers, and its middle frame includes: First sidepiece;Second sidepiece, it is provided and coupled to the first sidepiece in face of the first sidepiece;And space, it is limited to the first sidepiece And second between sidepiece, so that shrinkage front is placed in the space;Multiple rollers include:Intermediate calender rolls, it is arranged on the space Lower end with across the first sidepiece lower end and the second sidepiece lower end;First side roller, it is arranged in the first end of intermediate calender rolls Side, the first side roller extends along the first sidepiece;With the second side roller, it is arranged on above the second end of intermediate calender rolls, and the second side roller is along the Two sidepieces extend;Wherein, the distance between the first side roller and the second side roller reduce towards the lower end in the space.
In addition, the first roller, which accommodates recess, can form the lower end in the first sidepiece of framework, and the first side roller is arranged on First roller is accommodated in recess.Second roller, which accommodates recess, can form the lower end in the second sidepiece, and the second side roller is arranged on the Two rollers are accommodated in recess.First side roller, the second side roller and intermediate calender rolls can have the first axle of the axle as respective roller, the respectively Two axles and jackshaft.The opposite end of jackshaft can be separately positioned on the lower end of the first sidepiece and the lower end of the second sidepiece.First The lower end of axle and the lower end of the second axle can the relative end in contact with jackshaft respectively, and the upper end of first axle and the second axle Upper end can be inserted respectively into the first roller and accommodate the side surface of recess and the side surface of the second roller receiving recess.
First steady pin movably and is separately positioned under the lower end of the first sidepiece and the second sidepiece through jackshaft In end, and the second steady pin is movably disposed in a part for the first sidepiece through first axle.
In addition, frame openings can be formed in the first sidepiece.Through hole accommodates recess formation to first from frame openings and existed In first sidepiece, and first axle can be inserted into the first roller through through hole and accommodate in recess.First axle and in face of first axle The sidepiece of jackshaft can be locked to each other, and the second axle and the jackshaft in face of the second axle can be locked to each other.
Snap ring also include help roll, its be arranged on the upper end in the space in leap the first sidepiece and the second sidepiece it is upper End.
Snap ring can also include:Frame openings, it forms the pre-position in the first sidepiece or the second sidepiece;And Lock cell, it openably closes frame openings.
Lock cell can include:First cylinder, it has the first end phase being hinged to frame openings The first end of corresponding frame part, and in face of the second end of the frame part corresponding with the second end of frame openings;With And second cylinder, it is movably mounted on first cylinder, and the second cylinder is slided along the first cylinder, and Open or close frame openings.
In addition, locking piece can be arranged on the second end of the first cylinder, and connect guide can be in face of frame It is arranged at the position at the second end of frame opening on framework, so that locking piece is releasedly with being connected guide engagement.When first When cylinder around hinge is rotated and the second end of the first cylinder is arranged in the second end of frame openings, the second cylinder can be with Slided towards the second end of frame openings and accommodate connection guide and locking piece.When the first cylinder around hinge rotation and first When second end of cylinder moves away the second end of frame openings, the second cylinder can be slided towards the first end of frame openings Move and discharge connection guide and locking piece.
In addition, guide groove can be formed on the longitudinal direction of the first cylinder in the side surface in the first cylinder, and And guide finger can be arranged in guide groove and be connected to the second cylinder.Guide finger can move to move second along guide groove Cylinder.
Guide groove can include:First guide groove, its definite length extended on the longitudinal direction of the first cylinder;And Second guide groove, its second cylinder on the direction that its own axis is rotated from of the first end corresponding to frame openings The first end definite length extended of one guide groove.
Moreover, receiving space can be formed in the first cylinder, and Flexible element can be arranged on the receiving sky In.Flexible element can include:Elastic component, it has the of the receiving space of the first end in face of the first cylinder By the first end of the first cylindrical body supports in one end, and the second end being arranged in the second end of the receiving space;And can Moving part, it is arranged on the second end of elastic component, and with the receiving hole in movable piece is formed, to cause guide finger to be arranged on In receiving hole.When guide finger is moved from the second guide groove and enters the first end of the first guide groove, guide finger can be by elasticity Second end of the elastic force of part along the first guide groove towards the first guide groove is automatically moved.When guide finger is moved simultaneously from the first guide groove Into the second guide groove end when, guide finger can be pushed to the end of the second guide groove by the elastic force of elastic component, to prevent Guide finger is moved towards the first guide groove.
First guide groove can be tilted relative to the longitudinal direction of the first cylinder.
In addition, stopper section can be formed in the end in the first guide groove, the second end of stopper section the first cylinder of direction It is recessed, and when guide finger is arranged in the end of the second guide groove, guide finger can be locked to by the elastic force of elastic component Stopper section.
In addition, fixed part can form in the second end of the first guide groove and recessed, to cause fixed part is surround to lead To the periphery of pin.When guide finger is arranged in the second end of the first guide groove, guide finger can be secured in place by fixed part and Do not move to the left or to the right.
Brief description of the drawings
By the way that with reference to the described in detail below of accompanying drawing, above and other purpose, the spy of the present invention can be more clearly understood from Seek peace advantage, in the accompanying drawings:
Fig. 1 is the perspective view for showing typical purse seine;
Fig. 2 is the perspective view for showing traditional snap ring;
Fig. 3 shows traditional snap ring with multiple rollers;
Fig. 4 is the view for showing the snap ring with multiple rollers according to a preferred embodiment of the invention;
Fig. 5 is the decomposition diagram for showing snap ring according to a preferred embodiment of the invention;
Fig. 6 is the sectional view for showing snap ring according to a preferred embodiment of the invention;
Fig. 7 is the view of the process for the opening for showing to open snap ring according to a preferred embodiment of the invention;
Fig. 8 is the view for the process for showing to dismantle snap ring according to a preferred embodiment of the invention;
Fig. 9 is the decomposition diagram of the lock cell of snap ring according to a preferred embodiment of the invention;
Figure 10 is the sectional view of the lock cell of snap ring according to a preferred embodiment of the invention;And
Figure 11 and 12 is open mode and the closing for the lock cell for showing snap ring according to a preferred embodiment of the invention The view of state.
Embodiment
Hereinafter, the snap ring according to the preferred embodiment of the invention with multiple rollers will be described in detail with reference to the attached drawings.
Fig. 4 is the view for showing the snap ring with multiple rollers according to a preferred embodiment of the invention.With reference to Fig. 4, when holding When industry of doing business is fished, snap ring according to a preferred embodiment of the invention is used for purse seine(It is not shown)It is connected to shrinkage front(Do not show Go out).Snap ring includes framework 10, lock cell 50, multiple rollers 40 and help roll 48.
Framework 10 includes the first sidepiece 20 and the second sidepiece 22 facing with each other.
Preferably, framework 10 is shaped as ellipse so that shrinkage front can pass through framework 10.In addition, framework 10 can be circle Or polygonal shape, as long as shrinkage front can be enough through framework 10.Specifically, framework 10 includes definite length extended The first sidepiece 20, be provided and coupled to towards the first sidepiece 20 second sidepiece 22 of the first sidepiece 20 and be limited to the first side Space between the sidepiece 22 of portion 20 and second.Space includes the first space 11, the space 13 of second space 12 and the 3rd.Firstth, Two and the 3rd space 11,12 and 13 is not separate space, but is limited based on application target by dividing overall single space Fixed space.
First space 11 is hollow space, and it is limited to the middle body of framework 10 to allow shrinkage front to pass through framework 10. Shrinkage front is placed in framework 10 through the first space 11, to cause multiple rollers 40 of the shrinkage front with to be illustrated below to contact.The Two spaces 12 are hollow spaces, and it is limited to the lower end of intermediate calender rolls 43 and framework 10 by the 3rd roller 43 of installation in framework 10 Between.By means of second space 12, the 3rd roller 43 can be rotated smoothly.
3rd space 13 is hollow space, is connected to the connector of the rope of one end of adopted iron chains etc.(It is not shown)Even When being connected to the upper end of framework 10, the connector is inserted into the hollow space, and wherein the adopted iron chains is connected to purse seine.3rd space 13 are limited between the inner surface of the upper end of the help roll 48 that will be discussed later and framework 10.So, connector passes through the 3rd Space 13 is arranged in framework 10.
The function of lock cell 50 is on or off the first space 11 of framework 10, and this will be described in detail later.
When hydraulic pressure purse seine winch pull shrinkage front so that the fish captured in purse seine is pulled on into bank when, multiple rollers 40 be used for reduce by The frictional force produced in the weight of fish and the purse seine being tightened on the contact surface between shrinkage front and snap ring.When shrinkage front is worn When crossing the first space 11 and being placed on the inner surface of the lower end of framework 10, intermediate calender rolls 43, the first side roller 41 and the second side roller 42 are put Put the position contacted in shrinkage front with the inner surface of framework 10.
Intermediate calender rolls 43 are arranged on the lower end of framework 10, the first sidepiece 20 across framework 10 and the second side so as to intermediate calender rolls 43 The lower end in portion 20.First side roller 41 along the definite length extended of the first sidepiece 20 and be placed on intermediate calender rolls 43 first end it is upper Side.Second side roller 42 along the definite length extended of the second sidepiece 22 and be placed on intermediate calender rolls 43 the second end top.Therefore, in Between roller 43 opposite end respectively for the first side roller 41 and the second side roller 42.
The distance between the first side roller 41 and the second side roller 42 are limited, to cause the width in the first space 11 empty towards first Between 11 lower end reduce.Therefore, the lower end diagonal orientation of the first sidepiece 20 and the second sidepiece 22, to cause distance between the two Increase from bottom to top.Therefore, what the shrinkage front being placed in the first side roller 41 or the second side roller 42 can be diagonally-oriented First sidepiece 20 or the second sidepiece 22 are smoothly slided towards intermediate calender rolls 43.The load of shrinkage front can be reliably distributed in two Roller, i.e. the first side roller 41 and the side roller 42 of intermediate calender rolls 43 or second and intermediate calender rolls 43.So, by shrinkage front be applied to snap ring or The pressure distribution of the multiple rollers 40 of person is to two parts, it is possible thereby to extend the life-span of snap ring, so as to reduce its replacement cost.
Help roll 48 is placed on the upper end of framework 10 in a lateral direction, with the phase of the inner surface of the upper end of leap framework 10 Opposite side portion.3rd space 13 is limited between the inner surface of the upper end of framework 10 and help roll 48.When the company for being connected to purse seine Fitting(It is not shown)When being connected to the upper end of framework 10, connector is easily inserted into the 3rd space 13, so as to contribute to Connector is connected to the operation of the upper end of framework 10.Help roll 48 is contacted and rotated with connector at an upper portion thereof, so as to reduce Frictional force between framework and connector.This serves the effect in extension connector life-span.In addition, help roll 48 is so configured So that proper purse seine along shrinkage front deploy when help roll 48 with through framework 10 contraction linear contact lay and rotate, so as to reduce receipts Frictional force between diminishing line and framework 10, thus reduces the replacement cost of part.
Simultaneously, although the preferred embodiments of the present invention are had been shown as using four rollers, but the present invention is not limited to This.When needed, thus it is possible to vary the quantity in roller and space.
Each roller 41,42 and 43 of multiple rollers 40 can be cylinder or bow tie or hourglass shape, from its opposite end in Center portion diameter reduces.Preferably, framework 10 and multiple rollers 40 can be by the power that can bear to be applied to during fishing on snap ring Stainless steel or galvanized alloy be made, or corrosion resistant alloy or material with sufficient mechanical strength.
Fig. 5 is the decomposition diagram for showing snap ring according to a preferred embodiment of the invention.Fig. 6 is shown according to the present invention Preferred embodiment snap ring sectional view.
With reference to Fig. 5 and Fig. 6, snap ring according to the preferred embodiment of the invention includes the first side roller 41, the second side roller 42, centre Roller 43 and help roll 48.
First side roller 41 is arranged in the first sidepiece 20 of framework 10 to reduce the frictional force between framework 10 and shrinkage front, Shrinkage front is inserted into the first space 11 of framework 10 and is placed on the lower end of the inner surface of framework 10.First roller accommodates recess 30 form the lower end in the first sidepiece 20 of framework 10, so that the first side roller 41 can be arranged in the first sidepiece 20.As The first axle 45 of the rotary shaft of one side roller 41 is arranged on the first roller and accommodated in recess 30.First side roller 41 is pivotally mounted to On one axle 45.
First axle 45 is inserted into the first roller through through hole 20a and accommodated in recess 30, and through hole 20a is from frame openings 15 towards the One roller accommodates recess 30 and formed in the first sidepiece 20, and frame openings 15 are formed in the first sidepiece 20 and will said below It is bright.Locking convex portion 45a is arranged in the first end of first axle 45, and axle formed between is inserted into will pass through lock tab portion 45a First axle 45 is set to be locked to jackshaft 47 in lock recess 47b in 47.Second end of first axle 45 is arranged on and the first roller Accommodate in the through hole 20a that recess 30 is connected.Lock hole 45b formation is in the second end of first axle 45.Lock hole 45b is used to pass through Hook(It is not shown)It is easy to first axle 45 to be extracted out from through hole 20a etc. being inserted into lock hole 45b.
Second steady pin 25 is removably inserted in the first sidepiece 20 and first axle 45, so that first axle 45 can be fixed Accommodate in recess 30, removed so as to accommodate recess 30 from the first roller in the first roller.Frame openings 15 are formed in the first sidepiece The open space of 20 tops, so that shrinkage front can be inserted into the first space 11 of framework 10 through frame openings 15.Locking Unit 50 opens or closes frame openings 15.This will be explained in detail below.
Second side roller 42 is arranged in the first sidepiece 22 of framework 10 to reduce the frictional force between shrinkage front and framework 10. Second roller accommodates recess 32 and formed in the lower end in the second sidepiece 22 of framework 10.Second of rotary shaft as the second side roller 42 Axle 46 is placed on the second roller and accommodated in recess 32.Second side roller 42 is installed in rotation on the second axle 46.The of second axle 46 One end passes through the second patchhole 23 that will be described later and contacted with jackshaft 47.Second end of the second axle 46 is inserted into second Roller is accommodated in the side surface of recess 32.
Retaining lugs 46a is arranged on the end of the second axle 46 of jackshaft 47, and is locked to and will be retouched later The stage portion 47a for the jackshaft 47 stated.Jackshaft 47 is fixed on a direction by retaining lugs 46a.This will be solved below Release.
Intermediate calender rolls 43 are arranged in framework 10 in a lateral direction, to cross over the first sidepiece 20 and the second sidepiece 22.Therefore, First patchhole 21 and the second patchhole 23 are respectively formed at the lower end of the first sidepiece 20 and the lower end of the second sidepiece 22.In being used as Between the jackshaft 47 of rotary shaft of roller 43 be inserted into the first patchhole 21 and the second patchhole 23.Intermediate calender rolls 43 are rotationally pacified On jackshaft 47.Two the first steady pins 26 pass through jackshaft 47 removedly and are separately positioned on the first sidepiece 20 In end and the end of the second sidepiece 22, to prevent the jackshaft 47 that is placed in the first sidepiece 20 and the second sidepiece 22 from One sidepiece 20 and the 2nd 22 is undesirably removed.
Stage portion 47a formation is on the end in face of the jackshaft 47 of the second axle 46, the retaining lugs 46a locks of the second axle 46 Surely stage portion 47a is arrived.In stage portion 47a axles 47 formed between, to cause the corresponding end of recess axle 47 formed between.Cause This, when the jackshaft 47 being placed in the first sidepiece 20 and the second sidepiece 22 in a first direction(That is, formed from by stage portion 47a Jackshaft 47 recess towards jackshaft 47 other parts)When upper mobile, jackshaft 47 can be easily moved and step Portion 47a will not be locked by the retaining lugs 46a of the second axle 46.On the other hand, when jackshaft 47 is in second direction(That is, from centre Axle 47 higher than its recess is partially toward the recess)When upper mobile, the second end of jackshaft 47 is convex by the fixation of the second axle 46 Portion 46a is locked.In this case, jackshaft 47 can not be moved again.So, jackshaft 47 can move in one direction but It is to move in the other direction.
Help roll 48 is arranged in the upper end of framework 10 in a lateral direction, with the inner surface of the upper end of leap framework 10 Opposite side portion.Auxiliary through hole 34 is formed in the upper end in the first and second sidepieces 20 and 22 of framework 10.As help roll 48 The asessory shaft 49 of rotary shaft is inserted into auxiliary through hole 34.Help roll 48 is installed in rotation on asessory shaft 49.
Stopper section 36 is arranged in the first end of auxiliary through hole 34, is hindered so as to the first end of asessory shaft 49 by stopper section 36 Gear.Mobile preventing member 38 with hat is installed in the second end of auxiliary through hole 34, to prevent asessory shaft 49 from auxiliary through hole 34 are undesirably removed, and thus asessory shaft 49 can be securely fixed in auxiliary through hole 34.
Fig. 7 is the view of the process for the opening for showing to open snap ring according to a preferred embodiment of the invention.Fig. 8 is to show The view of the process of the snap ring of dismounting according to a preferred embodiment of the invention.
With reference to Fig. 7 and Fig. 8, snap ring according to a preferred embodiment of the invention has simple structure, so as to easily assembling With dismounting snap ring.Hereinafter, the dismounting of snap ring will be illustrated.
First, the lock cell 50 for closing frame openings 15 is removed from frame openings 15, so that frame openings 15 can be beaten Open.Hereafter, first axle 45 is fixed respectively and the second steady pin 25 and the first steady pin 26 of jackshaft 47 are removed from framework 10.Connect , first axle 45 is displaced outwardly until being removed completely from framework 10 from the through hole 20a of framework 10.Herein, first axle 45 can lead to Cross hook(It is not shown)Easily extracted out etc. being inserted into lock hole 45b and then being pulled outwardly from framework 10.
Jackshaft 47 is displaced outwardly until it is moved from framework 10 completely from the first and second patchholes 21 and 23 of framework 10 Remove.First side roller 41 and intermediate calender rolls 43 are also removed from framework 10.Hereafter, the first end of the second axle 46 is moved towards the second patchhole 23 It is dynamic, removed so as to the second end of the second axle 46 from the side surface that the second roller accommodates recess 32.In this case, the He of the second axle 46 Second side roller 42 accommodates recess 32 from the second roller and removed.
So, in snap ring according to the preferred embodiment of the invention, if removed from framework 10 by first axle 45 and centre Axle 47 is fixed to the second steady pin 25 and the first steady pin 26 on framework 10, then intermediate calender rolls 43, the first roller 41 and the second roller 42 It can be removed in succession from framework 10.It therefore, it can assembling process and unloading process summary, and the simplification of snap ring assembling Its manufacturing cost can be reduced.Even if moreover, part fails or the abrasion of snap ring, with new part replacement failure or wear Part is also easily performed.
Fig. 9 is the decomposition diagram of the lock cell of snap ring according to a preferred embodiment of the invention.Figure 10 is according to this The sectional view of the lock cell of the snap ring of the preferred embodiment of invention.
With reference to Fig. 9 and Figure 10, the lock cell 50 of snap ring of the invention is configured to open and close frame openings 15 and wrapped Include the first cylinder 51, the cylinder 60 of Flexible element 70 and second.
First cylinder 51 is placed on the first end of frame openings 15.The first end of first cylinder 51 passes through joint pin 52 It is pivotally connected to the part of the first end corresponding to frame openings 15 of framework 10.Locking piece 53 is from the first cylinder 51 Protrude and be connected to the connection guide being arranged on the second end of the frame openings 15 of framework 10 in the second end(16:With reference to figure 8).When the first cylinder 51 for being hinged to framework 10 is rotated inwardly in framework 10, in order to prevent the end of the first cylinder 51 Portion is contacted with the second sidepiece 22, and the first cylinder 51 is hinged to what is intentionally offset with a predetermined angular relative to the second sidepiece 22 Framework 10.
Second end protrusion of the locking piece 53 from the second end of the first cylinder 51 towards frame openings 15.Before locking piece 53 End extends in the two directions.Connection guide 16 is arranged on framework 10 at the position corresponding to the second end of frame openings 15 On, so that when the first cylinder 51 is rotated and is placed in frame openings 15, locking piece 53 is inserted into connection guide 16 And engaged with being connected guide 16.In this case, the locking piece 53 engaged with being connected guide 16, which is maintained at, to be locked to The state of guide 16 is connected, unless the first cylinder 51 is in turns on hinges.
In addition, guide groove 55 is formed in the side in the first cylinder 51 in a longitudinal direction.Guide finger 80 perpendicular to It is placed on the direction of the longitudinal direction of guide groove 55 in guide groove 55, to be moved along guide groove 55.Guide groove 55 includes First guide groove 55a and the second guide groove 55b, the first guide groove 55a extend predetermined on the longitudinal direction of the first cylinder 51 Length, the second guide groove 55b is from the first guide groove 55a of the first end corresponding to frame openings 15 first end in the second cylinder Body 60(It can describe below)Definite length extended on the direction rotated on its axis.First guide groove 55a can be parallel to The side of the longitudinal direction of one cylinder 51 is upwardly-directed.Selectively, the first guide groove 55a can be relative to the first cylinder 51 Longitudinal direction tilt.Second guide groove 55b end and the first guide groove 55a the second end can be arranged on parallel to first In the same line of the longitudinal direction of cylinder 51.Towards the recessed stopper section 55c formation in the second end of the first cylinder 51 the In two guide groove 55b end, so that when guide finger 80 is placed in the second guide groove 55b end, guide finger 80 passes through The elastic force for the Flexible element 72 that will be discussed later is locked to stopper section 55c.Fixed part 55d is with the periphery of circular guide finger 80 Shape formation is in the first guide groove 55a the second end.When the guide finger 80 moved along guide groove 55 is placed in fixed part 55d When, guide finger 80 may remain in position without mobile to the left or to the right.
It is interior with receiving space 51c for first cylinder 51, and the Flexible element 70 that will be discussed later is placed on the receiving In the 51c of space.Receiving space 51c is the hollow space along the formation of the first cylinder 51, so that Flexible element 70 is placed on first In cylinder 51.Patchhole 51a formation is at the second end of the first cylinder 51, so that Flexible element 70 can pass through patchhole 51a is inserted into the first cylinder 51.Osculum 51b formation is in the first end of the first cylinder 51, to justify by first The suction receiving space of guide groove 55 51c water of cylinder 51 etc. can be discharged easily from the first cylinder 51.
Flexible element 70 is inserted into receiving space 51c by the patchhole 51a of the first cylinder 51.Flexible element 70 is wrapped Include the elastic component 72 and movable piece 74 being sequentially inserted in receiving space 51c.Elastic component 72 be the compression spring with appropriate elasticity, Helical spring etc..The first end of elastic component 72 is in close contact with movable piece 74, its second end and the first end of the first cylinder 51 It is in close contact.The receiving hole 76 that guide finger 80 is inserted is formed in movable piece 74.Movable piece 74 is placed on the first cylinder In 51 receiving space 51c, to be moved along the longitudinal direction in receiving space 51c.The cross section of movable piece 74 is circular , and receiving space 51c also has circular cross section, so that movable piece 74 can be in receiving space 51c around its own axle Line smooth pivotal.Spring connecting protrusion 77 is protruded at the position in face of elastic component 72 from movable piece 74, and elastic component 72 is pacified On spring connecting protrusion 77.
Second cylinder 60 has hollow cylindrical, so that the first cylinder 51 is inserted into the second cylinder 60.When When the around hinge of first cylinder 51 rotates and closes frame openings 15, the first end of the second cylinder 60 is along the court of the first cylinder 51 Slided to the second end of the first cylinder 51.Therefore, the receiving in it of the second cylinder 60 is arranged on the of the first cylinder 51 Locking piece 53 at two ends and connection guide 16, thus prevent from being locked to the locking piece 53 of connection guide 16 undesirably from Connection guide 16 discharges.Therefore, even if applying big load to framework 10 due to the weight of purse seine and shrinkage front, because lock Determine part 53 and connection guide 16 is placed in the second cylinder 60 and is reliably locked to each other, frame openings 15 are reliably protected Hold in the state of being closed by lock cell 50.
Meanwhile, in order to realize the structure so as to the guide groove 55 when guide finger 80 along the first cylinder 51 move when, second Cylinder 60 can be drawn and mobile by guide finger 80, and pilot hole 62 is formed in the second cylinder 60, and guide finger 80 is passed through Pilot hole 62 is inserted into the second cylinder 60.
When the second cylinder 60 is moved to the first end of the first cylinder 51, pilot hole 62 is corresponding to guide finger 80 Formed at position in the outer surface of the second cylinder 60, guide finger 80 is arranged on the second guide groove 55b stopper section 55c.Lead It is arranged on to pin 80 through pilot hole 62 in the outer surface of the second cylinder 60.
In addition, when guide finger 80 from the second guide groove 55b stopper section 55c be moved to the first guide groove 55a end or When person from the first guide groove 55a end are moved to the second guide groove 55b stopper section 55c, the second cylinder 60 is by guide finger 80 draw and are moved along the longitudinal direction of the first cylinder 51.Herein, the second cylinder 60 is rotated around its own axis and along phase For the inclined first guide groove 55a movements of longitudinal direction of the first cylinder 51, so as to open or close frame openings 15.This It will be more fully described with reference to Figure 11 and Figure 12.
Figure 11 and 12 be respectively the lock cell for showing snap ring according to a preferred embodiment of the invention open mode and The perspective view and partial section view of closed mode.
Figure 11 shows the open mode of the frame openings 15 of framework 10.Therefore, being arranged on the second of the first cylinder 51 The first end of the second cylinder 60 towards the first cylinder 51 in end is moved, so as in the first guide groove 55a end Guide finger 80 enters the second guide groove 55b stopper section 55c.Herein, guide finger 80 by the elastic force of elastic component 72 towards stopper section 55c is promoted.Thus, guide finger 80 is not removed from stopper section 55c, unless relatively large external force is applied thereto.
So, when guide finger 80 is arranged in the second guide groove 55b stopper section 55c, the second cylinder 60 is adjacent to The first end of one cylinder 51 is set, and thus the first end of the second cylinder 60 discharges the connection guide 16 and first of framework 10 Both locking pieces 53 of cylinder 51.Therefore, the frame openings 15 of framework 10 are opened.
Meanwhile, when guide finger 80 enters the second guide groove 55b stopper section 55c from the first guide groove 55a, it is connected to and leads To the second cylinder 60 of pin 80 as guide finger 80 is around the axis rotation of its own, while, it is connected to guide finger 80 Movable piece 74 is rotated also with guide finger 80 around the axis of its own.Because elastic component 72 is only contacted without fixation with movable piece 74 To movable piece 74, therefore elastic component 72 will not be reversed because of the rotation of movable piece 74.In other words, movable piece 74 is around its own axle Slide end while line is rotated relative to elastic component 72.So, even if due to being rotated when movable piece 74 around its own axis When elastic component 72 also do not reverse, so elastic component 72 durability increase, it is possible thereby to reduce the replacement cost of part.In addition, Because the independent attachment means that movable piece 74 is connected to elastic component 72 need not be used for, therefore production cost can be reduced.
Figure 12 shows the closed mode of the frame openings 15 of framework 10.Therefore, the second cylinder 60 is around its own axis Backwards rotation.Then, the guide finger 80 in the second guide groove 55b stopper section 55c is removed from stopper section 55c, and towards the One guide groove 55a first end movement.Hereafter, guide finger 80 due to elastic component 72 elastic force and towards the first guide groove 55a's Second end is automatically moved, and is then inserted into fixed part 55d.By means of the elastic force of elastic component 72, guide finger 80 can be prevented not Desirably removed from fixed part 55d, unless relatively large external force is applied thereto.Moreover, when guide finger 80 enters fixed part 55d When, the second cylinder 60 is moved by guide finger 80 towards the second end of guide groove 55, and the end of the second cylinder 60 holds Receive framework 10 connection the cylinder 51 of guide 16 and first locking piece 53 both.Finally, the frame openings 15 of framework 10 Close.In the same way, because elastic component 72 is not attached to movable piece 74, when movable piece 74 around its own axis rotate or During backwards rotation, movable piece 74 is slided on the end of elastic component 72.Accordingly it is possible to prevent elastic component 72 is turned round by movable piece 74 Turn.
So, the present invention is configured so as to prevent the quilt of elastic component 72 when the second cylinder 60 is moved along the first cylinder 51 Reverse, the durability of elastic component 72 is thereby increased, so as to reduce the replacement cost of part.
Simultaneously, although have been illustrated with for shrinkage front to be connected into purse seine with the embodiment for the snap ring fished, but It is that the present invention is not limited to the embodiment.For example, the snap ring of the present invention is used for being applied with the hawser or cable of heavy load The other field of rope, so rope or hawser, which are placed, to be arranged in the first space 11 of framework 10, so as to reduce the He of framework 10 Frictional force between rope or between framework 10 and hawser.
As described above, in the snap ring with multiple rollers according to the present invention, in the first sidepiece and the second sidepiece at least One diagonally oriented.Therefore, when shrinkage front is arranged in the first side roller or the second side roller, shrinkage front easily along the first sidepiece or Second sidepiece is slided towards intermediate calender rolls.Therefore, pressure distribution on snap ring or multiple rollers is applied to the first side from shrinkage front On roller and intermediate calender rolls or the second side roller and intermediate calender rolls, rather than concentrate on a roller.It therefore, it can extend the longevity of snap ring Life, can also reduce the replacement cost of the part of snap ring.
In addition, snap ring of the configuration according to the present invention, to cause elastic component to be not affixed on movable piece.Therefore, can even if working as Moving part with guide finger rotate together when, elastic component is not also reversed, therefore can increase the durability of elastic component.
Although disclosing the preferred embodiments of the present invention for illustrative purposes, those skilled in the art will manage Solution, in the case of scope and spirit of the present invention disclosed in not departing from such as appended claims, various modifications, supplement and replacement All it is possible.

Claims (12)

1. a kind of snap ring, it includes:
Framework, it includes:First sidepiece;Second sidepiece, it is provided and coupled to first sidepiece in face of first sidepiece; And space, it is limited between first sidepiece and second sidepiece, so that shrinkage front is placed in the space;And
Multiple rollers, it includes:Intermediate calender rolls, it is arranged on the lower end in the space with across the lower end of first sidepiece and described The lower end of second sidepiece;First side roller, it is arranged on above the first ends of the intermediate calender rolls, and first side roller is along described first Sidepiece extends;With the second side roller, it is arranged on above the second end of the intermediate calender rolls, and second side roller is along second sidepiece Extension;
Wherein, the distance between first side roller and second side roller reduce towards the lower end in the space,
First roller accommodates recess formation in the lower end of first sidepiece of the framework, and first side roller is arranged on institute The first roller is stated to accommodate in recess;
Second roller accommodates recess formation and is arranged on second roller in the lower end of second sidepiece, and second side roller and holds Receive in recess;
First side roller, second side roller and the intermediate calender rolls have the first axle of the axle as respective roller, second respectively Axle and jackshaft;
The opposite end of the intermediate calender rolls is separately positioned on the lower end of first sidepiece and the lower end of second sidepiece;And
The lower end of the first axle and the lower end of second the axle relative end in contact with the jackshaft, and described respectively The upper end of one axle and the upper end of second axle are inserted respectively into first roller and accommodate the side surface of recess and second roller The side surface of recess is accommodated,
Characterized in that, the first steady pin passes through the jackshaft movably and is separately positioned on the lower end of first sidepiece In the lower end of second sidepiece, and
Second steady pin is movably disposed in a part for first sidepiece through the first axle,
Second end of the first axle is arranged on to be accommodated in the through hole that recess is connected with first roller, and in the first axle Lock hole is formed in second end, is easy to the first axle to be extracted out from the through hole for being inserted into by hook in lock hole.
2. snap ring as claimed in claim 1, wherein:
Frame openings formation is in first sidepiece;
Through hole accommodates recess formation in first sidepiece from the frame openings to described first, and the first axle is worn The through hole is crossed to be inserted into the first roller receiving recess;And
The sidepiece of the first axle and the jackshaft in face of the first axle is locked to each other, and second axle and faces The jackshaft of second axle is locked to each other.
3. snap ring as claimed in claim 1, in addition to:
Help roll, it is arranged in the upper end in the space to cross over the upper end of first sidepiece and second sidepiece.
4. snap ring as claimed in claim 1, in addition to:
Frame openings, it forms the pre-position in first sidepiece or second sidepiece;And
Lock cell, it openably closes the frame openings.
5. snap ring as claimed in claim 4, wherein the lock cell includes:
First cylinder, it has be hinged to the frame part corresponding with the first end of the frame openings the One end, and in face of the second end of the frame part corresponding with the second end of the frame openings;And
Second cylinder, it is movably mounted on first cylinder, and second cylinder is along first cylinder Body is slided, and opens or closes the frame openings.
6. snap ring as claimed in claim 5, wherein:
Locking piece is arranged on the second end of first cylinder, and connects guide in face of the of the frame openings Set at the position at two ends on said frame, so that the locking piece is releasedly engaged with the connection guide;
When first cylinder is rotated and the second end of first cylinder is arranged on the frame openings around the hinge The second end in when, the second end of second cylinder towards the frame openings slide and accommodate it is described connection guide and The locking piece;And
When first cylinder is rotated and the second end of first cylinder moves away the framework and opened around the hinge During the second end of mouth, the first end of second cylinder towards the frame openings is slided and discharges the connection guide With the locking piece.
7. snap ring as claimed in claim 5, wherein:
Guide groove is formed on the longitudinal direction of first cylinder in the side surface in first cylinder, and is oriented to Pin is arranged in the guide groove and is connected to second cylinder;
Wherein, the guide finger moves to move second cylinder along the guide groove.
8. snap ring as claimed in claim 7, wherein, the guide groove includes:
First guide groove, its definite length extended on the longitudinal direction of first cylinder;And
Second guide groove, its second cylinder on the direction that its own axis is rotated from corresponding to the frame openings First end the first guide groove first end definite length extended.
9. snap ring as claimed in claim 8, wherein, receiving space formation is in first cylinder, and Flexible element It is arranged in the receiving space;
The Flexible element includes:
Elastic component, it has in the first end of the receiving space of the first end in face of first cylinder by described the The first end of one cylindrical body supports, and the second end being arranged in the second end of the receiving space;And
Movable piece, it is arranged on the second end of the elastomer, and the receiving hole with formation in the movable piece, so that The guide finger is obtained to be arranged in the receiving hole;
Wherein, it is described when the guide finger is moved from second guide groove and enters the first end of first guide groove Second end of the guide finger by the elastic force of the elastic component along first guide groove towards first guide groove is automatically moved, and And when the guide finger is moved from first guide groove and enters the end of second guide groove, the guide finger is by institute The elastic force for stating elastic component pushes the end of second guide groove to, to prevent the guide finger from being moved towards first guide groove It is dynamic.
10. snap ring as claimed in claim 9, wherein, longitudinal direction side of first guide groove relative to first cylinder To inclination.
11. snap ring as claimed in claim 9, wherein, stopper section is formed in the end of second guide groove, the backstop Portion is recessed towards the second end of first cylinder, and
When the guide finger is arranged in the end of second guide groove, the guide finger by the elastic force of the elastic component and It is locked to the stopper section.
12. snap ring as claimed in claim 9, wherein, fixed part formation is in the second end of first guide groove and recessed Enter, to cause the fixed part around the periphery of the guide finger, and when the guide finger is arranged on first guide groove The second end in when, the guide finger is secured in place without mobile to the left or to the right by the fixed part.
CN201310392969.3A 2012-09-03 2013-09-02 Snap ring with multiple rollers Expired - Fee Related CN103821816B (en)

Applications Claiming Priority (2)

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KR10-2012-0097037 2012-09-03
KR1020120097037A KR101414139B1 (en) 2012-09-03 2012-09-03 Snap Ring having Multi Roller

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CN103821816A CN103821816A (en) 2014-05-28
CN103821816B true CN103821816B (en) 2017-08-01

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CN105028354A (en) * 2015-06-30 2015-11-11 浙江海洋学院 Up-down-type plate net fishing device for enclosure aquaculture
JP6791251B2 (en) 2016-08-31 2020-11-25 Jsr株式会社 Optical filter and equipment using optical filter
CN111684320B (en) 2018-02-27 2023-03-31 Jsr株式会社 Optical filter, solid-state imaging device, and camera module
CN111520394A (en) * 2020-03-30 2020-08-11 遵义宏港机械有限公司 Clasp and using method thereof

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US5655327A (en) * 1993-11-12 1997-08-12 Cooper Industries, Inc. Purse seine link
US5505013A (en) * 1995-02-16 1996-04-09 Gois; John F. Purse ring
JPH10295217A (en) * 1997-04-21 1998-11-10 Kaiken:Kk Net managing device for netting
ES2284386B1 (en) * 2006-04-06 2008-11-16 Albacora S.A. FENCE NETWORK RING.
US7624483B1 (en) * 2006-12-27 2009-12-01 James Jang Multi-roller snap ring
US7743475B2 (en) * 2007-02-02 2010-06-29 James Jang Purse ring having multiple rollers
US20100088945A1 (en) * 2008-10-13 2010-04-15 Gois John F Hardened Purse Ring
US8359719B2 (en) * 2009-01-16 2013-01-29 Ricardo Jang Snap ring having multiple rollers
KR100986008B1 (en) 2009-01-16 2010-10-06 장 리카르도 Multi Roller Snap Ring
FR2944842A1 (en) * 2009-04-22 2010-10-29 Zedel CONNECTING LINK WITH LOCKABLE ROTATING RING
AU2011200000A1 (en) * 2010-01-04 2011-08-04 Mrm Hk Limited Hook with spring - and indicator

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CN103821816A (en) 2014-05-28
ES2530593B2 (en) 2015-10-02
KR101414139B1 (en) 2014-08-06
KR20140030628A (en) 2014-03-12

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