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EP3112569A1 - Betriebsvorrichtung zum betrieb eines wandteils - Google Patents

Betriebsvorrichtung zum betrieb eines wandteils Download PDF

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Publication number
EP3112569A1
EP3112569A1 EP16177053.2A EP16177053A EP3112569A1 EP 3112569 A1 EP3112569 A1 EP 3112569A1 EP 16177053 A EP16177053 A EP 16177053A EP 3112569 A1 EP3112569 A1 EP 3112569A1
Authority
EP
European Patent Office
Prior art keywords
rod
wall part
slidable wall
drive
operating
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.)
Granted
Application number
EP16177053.2A
Other languages
English (en)
French (fr)
Other versions
EP3112569B1 (de
Inventor
Johannes Maria Musters
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.)
HM VEILIGHEIDSBESLAG BV
HM VEILIGHEIDSBESLAG BV
Original Assignee
HM VEILIGHEIDSBESLAG BV
HM VEILIGHEIDSBESLAG BV
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 HM VEILIGHEIDSBESLAG BV, HM VEILIGHEIDSBESLAG BV filed Critical HM VEILIGHEIDSBESLAG BV
Publication of EP3112569A1 publication Critical patent/EP3112569A1/de
Application granted granted Critical
Publication of EP3112569B1 publication Critical patent/EP3112569B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/56Suspension arrangements for wings with successive different movements
    • E05D15/565Suspension arrangements for wings with successive different movements for raising wings before sliding
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/643Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • E05F15/646Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables allowing or involving a secondary movement of the wing, e.g. rotational or transversal
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof

Definitions

  • the invention relates to an operating device for operating a slidable wall part such as a French door or a sliding door.
  • the invention further relates to an assembly of a slidable wall part with such an operating device, and to a method for application thereof.
  • a traditional French door comprises one or more carriages which can be arranged on an underside of the slidable wall part and which define a first, lying direction, and an operating rod connected to the one or more carriages and extending in a second direction, wherein the second direction extends substantially transversely of the first direction.
  • Such a French door is generally manually operated with a crank mechanism which engages on the operating rod, which is also referred to as espagnolette rod.
  • the French door By operating the espagnolette rod using the manually operated crank, the French door can be lifted onto its wheels for the purpose of being able to slide the French door open and closed, or can be lowered for the purpose of fixing the French door. During this lowering, the door can for instance engage with locking protrusions arranged in the jambs of the frame, which provides some burglar-proofing. French doors are nevertheless relatively susceptible to burglary because they can sometimes be lifted from these locking protrusions using suitable material. Such a French door has a considerable mass, partly due to the large amount of glazing. Because of this mass, the lifting and lowering using the manually operated crank mechanism can be physically onerous, particularly for weaker people such as children and the elderly.
  • DE-U1-203 12 683 forms the closest prior art, and at least the measures of the characterizing part of claim 1 are new.
  • a further prior art is formed by the documents KR-A-2011 0055783 , GB-A-507 803 and GB-A-1 001 432 .
  • An object of the present invention is to provide an operating device for operating a French door, wherein said drawbacks do not occur, or at least do so to lesser extent.
  • the operating rod which is also referred to as espagnolette rod, is an operating rod known from the prior art which is configured to displace the also known carriages between a rest position, in which the slidable wall part rests on a ground surface, and an operative position in which the slidable wall part is lifted by the carriages and is displaceable thereby.
  • the invention provides an operating device which can if desired be retrofitted in an existing French door, and can for this purpose be delivered as build-in kit.
  • the operating device instead of replacing the existing crank with a first electric motor concealed in a housing and arranging a second electric motor for displacing of a lifted French door, the operating device according to the invention provides the option of arranging an electronic control which is largely concealed from view and wherein only one electric motor is moreover necessary for both lifting and displacing the French door.
  • a transmission unit which lifts the slidable wall part in a first driving stage and in a further driving stage displaces the lifted slidable wall part.
  • the force exerted in the third direction by the driving connection can be converted in reliable manner to a force directed in the second direction in that the rod mechanism of the transmission unit is a four-rod mechanism, comprising:
  • the driving connection can display a fixed engagement with the slidable wall part and displace the slidable wall part along the driving connection, which can for instance be a spindle.
  • the transmission unit comprises a rod mechanism configured to convert a tensile or pressure force applied by the driving connection in the third direction to a tensile or pressure force directed in the second direction.
  • the operating rod i.e. the espagnolette rod, also extends in this second direction.
  • the driving connection of the operating device is according to a further preferred embodiment configured to at least exert a tensile force on the transmission unit, an advantageous embodiment results wherein the operating rod is in the first driving stage pulled in upward direction, which is the usual direction for lifting a slidable wall part. After lifting, the tensile force exerted by the driving connection in the third direction can be utilized for laterally displacing the slidable wall part.
  • a locking of the lifted lifting position of the transmission unit is obtained if the pivoting connection between the first rod and the second rod comprises according to a further preferred embodiment a slotted recess and at least one further slotted recess is provided, wherein in a lifting position of the transmission unit the two slots are aligned with protrusions which are displaceable relative to the slots to a locking position, wherein in the locking position at least one of the protrusions engages with a hook part such that the first rod and the second rod are locked relative to each other.
  • a further locking member which comprises a hook part which is arranged on the first rod, and which in the locking position of the transmission unit engages with a corresponding protrusion of the second rod and locks the first rod and the second rod relative to each other.
  • the third rod which is arranged substantially on or in line with the longitudinal direction of the guide rail for pivoting around the pivot shaft, takes an asymmetrical form, wherein the distance between the pivot shaft and the pivoting connection to the second rod is greater than the distance between the pivot shaft and a further pivoting connection, whereby the third rod is directly or indirectly engageable with the operating rod of the slidable wall part. Because of this asymmetrical form, the third rod provides a lever action which intensifies the force exerted by the drive, which force is used to lift the slidable wall part. Owing to the lever action a less powerful electric motor suffices, which can thereby be more compact.
  • the operating device therefore further comprises according to a further preferred embodiment a guide unit with at least a curved path wherein at least the pivoting connection, whereby the third rod is directly or indirectly engageable with a lifting rod of the slidable wall part, can be guided.
  • This guide unit can for instance be arranged on a frame in which the slidable wall part is slidable.
  • the guide unit preferably also provides additional burglar-proofing.
  • the operating device further comprises for this purpose according to yet another preferred embodiment a guide unit with at least a curved path wherein at least the pivoting connection between the third rod and the second rod can be guided, wherein the curved path bounds the pivoting connection on the upper side in a substantially standing position of the third rod.
  • a guide unit with at least a curved path wherein at least the pivoting connection between the third rod and the second rod can be guided, wherein the curved path bounds the pivoting connection on the upper side in a substantially standing position of the third rod.
  • the third rod is hereby bounded on the upper side in a lowered rest position of
  • the driving connection comprises a spindle which can be driven with the drive and which is configured to displace the first rod in longitudinal direction relative to the guide rail.
  • This spindle is preferably provided with a double screw thread so that a relatively great drive force is combined with a relatively high displacement speed correlated to the pitch of the spindle.
  • the pitch of the spindle varies, wherein the spindle has a pitch over a first part which is smaller than the pitch of a second part of the spindle.
  • the slidable wall part will slide relatively slowly over the first part of the spindle and then slide more quickly over the second part of the spindle. It is hereby possible to achieve that a sliding door, for instance during opening, starts to slide slowly over a first part and then slides more quickly over a second part.
  • the drive comprises an electric motor which can for instance form part of a domotic system.
  • the drive comprises an (additional) manual operation.
  • this operation will preferably be arranged as an addition so that the manual operation can be used as backup in the case of possible motor failure.
  • the system however provides advantages even without electric motor and with only a manual operation, because a conventional crank is superfluous and the manual operation can for instance be provided on or close to a frame, where a crank handle can be connected. A greater lever action can be obtained with such a crank handle than with a hand crank on the French door itself, whereby the French door can also be opened and closed manually by children and the elderly.
  • a tiltable gearbox is according to a further preferred embodiment provided between the drive and the transmission unit and the electric motor is releasably connected to the gearbox, the electric motor can be (temporarily) disconnected in simple manner. A user can hereby employ the manual operation as backup.
  • a bias can be provided which is configured to provide an additional lifting force for lifting the slidable wall part.
  • control device which is controlled remotely or automatically (via a domotic system) has the drawback that it could cause people or animals to be become jammed between the slidable wall part and the surrounding frame.
  • control device further comprises according to a further preferred embodiment a safeguard against becoming caught, provided between the drive and the transmission unit and comprising:
  • the operating device can be supplied as a kit and can be retrofitted in an already existing slidable wall part. It suffices to arrange only one slotted recess in which parts of the operating device can be received.
  • a slidable wall part such as a French door or a sliding door
  • an operating device according to the invention wherein the first direction in which the one or more carriages are provided extends substantially along a lower edge of the slidable wall part, wherein the second direction in which the operating rod extends extends substantially along a side edge of the slidable wall part, wherein the transmission unit is arranged on or close to an upper corner of the slidable wall part and wherein the third direction in which the driving connection extends between the drive and the transmission unit extends substantially along an upper edge of the slidable wall part.
  • the invention further relates to a method for operating a slidable wall part, such as a French door or a sliding door, comprising the steps of:
  • this further comprises the steps of:
  • the lifted position of the slidable wall part can be locked by bringing the transmission unit into a locking position.
  • this further comprises the steps of:
  • an operating device according to the invention is applied.
  • FIG. 1 shows a wall 1 with a French door 2 provided with an operating device according to the invention.
  • French door 2 comprises a door frame 4 with a fixed wall part 6 and a slidable wall part 12, wherein fixed wall part 6 and slidable wall part 12 in the shown embodiment each comprise a window 8, 14.
  • the operating device comprises a drive 20 which in the shown embodiment takes a dual form.
  • drive 20 comprises on the one hand an electric motor 42 and on the other an (emergency) manual operation 44 to be further elucidated, which is provided in gearbox 36 in the top left corner.
  • This gearbox 36 comprises a right-angled transmission.
  • a driving connection in the form of a spindle 24 runs from gearbox 36 to slidable wall part 12 (in a third direction III, to the right in the figure).
  • This spindle 24 is connected drivably to a transmission unit 50 which is arranged in slidable wall part 12.
  • a conventional operating rod 120 also referred to hereinafter as espagnolette rod 120, can be operated via this transmission unit 50, as will be elucidated further hereinbelow.
  • Espagnolette rod 120 extends downward (in a second direction II) inside slidable wall part 12 from transmission unit 50 and is connected via a conventional guide mechanism 122 to conventional carriages 128, whereby slidable wall part 12 is slidable (in a first direction I) in lifted situation. It is noted that in a conventional manually operated French door the crank engages on espagnolette rod 120.
  • the first direction I and the third direction III define a reciprocal lateral movement and the third direction III defines an up and downward movement ( figure 1 ).
  • the operating device according to the invention is configured to operate a conventional espagnolette rod 120 and can therefore be retrofitted in an already existing French door. It suffices for this purpose to arrange a recess in the upper side of slidable wall part 12 in which the operating device can be received, and to further arrange a drive 20 which is in drivable connection with transmission unit 50. This drive 20 runs through a recess already present in door frame 4.
  • Electric motor 42 is connected via a sliding coupling 40 and a drive rod 38 to a tiltable gearbox 36.
  • Spindle 24 runs from this gearbox 36, wherein a safeguard against becoming caught 28 is in a preferred embodiment provided between gearbox 36 and spindle 24.
  • the safeguard against becoming caught 28 is shown in more detail in figure 3 , and comprises a drive shaft 30 on which a gear of gearbox 36 is mounted.
  • Drive shaft 30 is shown both in assembled situation and separately, so as to show that it comprises a non-round form at the outer end remote from gearbox 36.
  • the non-round form is hexagonal and engages in an internal corresponding hexagonal recess in spindle 24.
  • spindle 24 rotates and is stopped, for instance because someone gets his or her body caught between door frame 4 and slidable wall part 12
  • spindle 24 rotates inward in the sleeve part 33 provided with internal screw thread, and presses here a fixing sleeve 32 counter to the action of a compression spring 34.
  • Sleeve part 33 is mounted on fixed components, for instance via gearbox 36 on door frame 4. When spindle 24 rotates in sleeve part 33, this will become jammed and thus function as safeguard against becoming caught.
  • Gearbox 36 takes a tiltable form, and electric motor 42 can be disconnected from drive rod 38 by moving sliding coupling 40 upward. Gearbox 36 can then be tilted outward away from wall 1, and a conventional crank handle 46 can be connected to gearbox 36. The operating device can now be driven by turning crank handle 46.
  • spindle 24 runs in a guide rail 22 which is screwed fixedly to door frame 4.
  • Spindle 24 engages on a carrier 26 which is provided with a screw thread which corresponds to the external screw thread of spindle 24.
  • Carrier 26 then engages on a wall part carrier 82 on which a fixing rod 72 is mounted.
  • Fixing rod 72 is connected pivotally to a fixing plate 62, which is in turn connected pivotally to a rocker 58.
  • This rocker 58 is mounted pivotally on a rocker block 54 by means of a pivot shaft 56.
  • Rocker block 54 is screwed fixedly into slidable wall part 12 and provides a fixed pivot point 56 for rocker 58.
  • Fixing rod 72, slidable wall part 12, fixing plate 62 and rocker 58 together form a four-rod mechanism which is configured to convert a lying force exerted by spindle 24 to an upward force for lifting slidable wall part 12 via the conventional espagnolette bar 120, so that this wall part is supported by wheels 132 of carriages 128 and is slidable with limited resistance.
  • Fixing rod 72 which can be guided by guide rail 52 and is slidable in a longitudinal direction relative to this guide rail 52, forms a first rod of the four-rod mechanism.
  • Fixing plate 62 which is arranged pivotally between fixing rod 72 and rocker 58, forms the second rod of the four-rod mechanism, while rocker 58 forms the third rod.
  • Rocker 58 is arranged substantially on or in line with the longitudinal direction of guide rail 52 for pivoting around a pivot shaft 56.
  • slidable wall part 12 forms a fourth rod of the four-rod mechanism.
  • FIG. 6 shows an enlarged view of the situation of figure 5 .
  • Fixing plate 62 is shown transparently with broken lines for the sake of clarity.
  • rocker 58 provides a lever action in that the distance between pivot points 56 and 60 is greater than the distance between pivot points 56 and 88.
  • a compression spring 86 which pushes against a brake block 80 which is screwed fixedly onto slidable wall part 12, is optionally provided.
  • compression spring 86 is situated over a spring rod 84 arranged between brake block 80 and wall part carrier 82, whereby this compression spring 86 pushes wall part carrier 82 away from brake block 80 (to the left in the figure) and thus supports spindle 24 in the lifting of slidable wall part 12.
  • a locking step is performed.
  • protrusions 74 and 76 slide in slots 64, 66 and a locking is created in that the second protrusion 76 of fixing rod 72 hooks behind hook part 67 of second slotted recess 66 of fixing plate 62.
  • An optional additional locking can be formed by having a protrusion 68 of fixing plate 62 engage with a corresponding hook part 78 of fixing rod 72.
  • this protrusion 68 still lies in front of hook part 78, and in figure 10 it has been pulled into a locking engagement. It is particularly advantageous for this protrusion 68 to be embodied as a pinion.
  • an end guide 106 which has a receiving plate 108 with one or more guide slots.
  • Three guide slots 110, 112, 114 are provided in the shown preferred embodiment. It is noted that two receiving plates 108, between which rocker 58 is enclosed, are provided in a particularly advantageous and stable embodiment.
  • Pivot shaft 88 between rocker 58 and pull rod 90 preferably protrudes on one or both sides, so that it forms a guide protrusion with which this pivot shaft 88 guides rocker 58 in the curved guide slot 110.
  • a stable structure is obtained by retaining rocker 58 between two receiving plates 108.
  • pivot shaft 60 between rocker 58 and fixing plate 62 to likewise protrude on one or both sides and thereby form a guide protrusion with which rocker 58 is received in a second curved guide slot 112.
  • this second guide slot 112 blocks the protruding pivot shaft 60 of rocker 58, which functions as guide protrusion, on the upper side ( figure 6 ), whereby it provides a burglar-proofing.
  • the second guide slot 112 prevents rocker 58 moving upward, and slidable wall part 12 can thereby not be lifted by a burglar.
  • the slidable wall part 12 rests on a ground sill 18 and is too heavy to be displaced ( figures 12, 13 ).
  • Conventional locking protrusions which are also already burglar-resistant to some extent, can be provided if desired.
  • rocker 58 can in the tilted situation shown in figure 10 be slid out of the locking of end guide 106, i.e. toward the partially opened, slid position of slidable wall part 12 shown in figure 11 . It is noted that in the opened situation in figure 11 the locking between protrusion 76 and hook part 67 on the one hand and the locking between protrusion 68 and hook part 78 on the other is preserved.
  • slidable wall part 12 When transmission unit 50 of the operating device moves in the direction of arrow O, slidable wall part 12 is displaced from the lowered rest position in figures 12, 13 to the lifted and slidable position in figures 14, 15 .
  • Espagnolette rod 120 engages with a protrusion 121 on a link 124 of a guide mechanism 122 which is guided through a number of slots 126.
  • espagnolette rod 120 When espagnolette rod 120 is pulled upward, carriages 128 with protrusions are displaced through slotted recesses 130, whereby carriages 128 begin to support slidable wall part 12 with their wheels 132.
  • Slidable wall part 12 can now be slid in simple manner, wherein it rolls over wheels 132.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP16177053.2A 2015-06-30 2016-06-30 Betriebsvorrichtung zum betrieb eines wandteils Active EP3112569B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2015054A NL2015054B1 (nl) 2015-06-30 2015-06-30 Bedieningsinrichting voor het bedienen van een wanddeel.

Publications (2)

Publication Number Publication Date
EP3112569A1 true EP3112569A1 (de) 2017-01-04
EP3112569B1 EP3112569B1 (de) 2019-05-01

Family

ID=53783873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16177053.2A Active EP3112569B1 (de) 2015-06-30 2016-06-30 Betriebsvorrichtung zum betrieb eines wandteils

Country Status (2)

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EP (1) EP3112569B1 (de)
NL (1) NL2015054B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112377516A (zh) * 2020-10-30 2021-02-19 张晨 一种铰链及其铰链座
CN113090155A (zh) * 2021-05-24 2021-07-09 九牧厨卫股份有限公司 一种传动机构及其镜柜
US11326385B2 (en) * 2017-04-25 2022-05-10 Assa Abloy Entrance Systems Ab Sliding door arrangement
CN115898076A (zh) * 2022-11-04 2023-04-04 武汉理工大学 一种拆墙装置
CN116062607A (zh) * 2023-03-07 2023-05-05 菏泽市瑞祺医疗器械有限公司 一种中药饮片原料提升用专用吊具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507803A (en) 1937-06-08 1939-06-21 British Thomson Houston Co Ltd Improvements in and relating to door operating mechanism
GB1001432A (en) 1962-07-24 1965-08-18 Bernard Kofyan Electro-mechanical manipulating apparatus for sliding doors
DE20312683U1 (de) 2003-08-11 2003-11-06 Gretsch-Unitas GmbH Baubeschläge, 71254 Ditzingen Hebeschiebebeschlag
KR20110055783A (ko) 2009-11-20 2011-05-26 주식회사 이건창호 자동화 창호 시스템

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507803A (en) 1937-06-08 1939-06-21 British Thomson Houston Co Ltd Improvements in and relating to door operating mechanism
GB1001432A (en) 1962-07-24 1965-08-18 Bernard Kofyan Electro-mechanical manipulating apparatus for sliding doors
DE20312683U1 (de) 2003-08-11 2003-11-06 Gretsch-Unitas GmbH Baubeschläge, 71254 Ditzingen Hebeschiebebeschlag
KR20110055783A (ko) 2009-11-20 2011-05-26 주식회사 이건창호 자동화 창호 시스템

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11326385B2 (en) * 2017-04-25 2022-05-10 Assa Abloy Entrance Systems Ab Sliding door arrangement
CN112377516A (zh) * 2020-10-30 2021-02-19 张晨 一种铰链及其铰链座
CN112377516B (zh) * 2020-10-30 2022-05-27 浙江可传工贸有限公司 一种铰链及其铰链座
CN113090155A (zh) * 2021-05-24 2021-07-09 九牧厨卫股份有限公司 一种传动机构及其镜柜
CN113090155B (zh) * 2021-05-24 2024-06-11 九牧厨卫股份有限公司 一种传动机构及其镜柜
CN115898076A (zh) * 2022-11-04 2023-04-04 武汉理工大学 一种拆墙装置
CN115898076B (zh) * 2022-11-04 2024-05-31 武汉理工大学 一种拆墙装置
CN116062607A (zh) * 2023-03-07 2023-05-05 菏泽市瑞祺医疗器械有限公司 一种中药饮片原料提升用专用吊具
CN116062607B (zh) * 2023-03-07 2023-06-20 菏泽市瑞祺医疗器械有限公司 一种中药饮片原料提升用专用吊具

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Publication number Publication date
EP3112569B1 (de) 2019-05-01
NL2015054B1 (nl) 2017-01-24

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