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WO2018125949A1 - Dispositif crochet à mâchoires opposées rotatives - Google Patents

Dispositif crochet à mâchoires opposées rotatives Download PDF

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Publication number
WO2018125949A1
WO2018125949A1 PCT/US2017/068611 US2017068611W WO2018125949A1 WO 2018125949 A1 WO2018125949 A1 WO 2018125949A1 US 2017068611 W US2017068611 W US 2017068611W WO 2018125949 A1 WO2018125949 A1 WO 2018125949A1
Authority
WO
WIPO (PCT)
Prior art keywords
hook
bend
shank
retainer
defines
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.)
Ceased
Application number
PCT/US2017/068611
Other languages
English (en)
Inventor
Erik Chmelar
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US15/784,174 external-priority patent/US11002308B2/en
Application filed by Individual filed Critical Individual
Publication of WO2018125949A1 publication Critical patent/WO2018125949A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00—Hooks; Eyes
    • F16B45/06—Hooks with two symmetrically-pivoting hook parts within the same locking cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks

Definitions

  • the present invention relates to hooks that may be attached to cords, ropes, or webbing for tying, bundling, or securing objects.
  • Example applications include bungee cords, tie-downs, tarp straps, cargo cords, and stretch cords (hereafter simply referred to as bungee cords, collectively, regardless of whether the cord is elastic or inelastic).
  • a bungee cord is generally a segment of cord with a rigid hook on one or both ends.
  • the cord may be made of any suitable material, for example rubber, polyurethane, thermoplastic, nylon, polypropylene, polyester, and so on.
  • the hook may be made of any suitable material, for example metal and/or plastic, it may be stamped, cast, or molded, and it may have practically any shape, size, and strength.
  • the shank, gape, and throat of a hook determine the size and type of objects that can be grappled.
  • a hook having a shallow throat may have difficulty securely attaching around an object, but it may be easy to insert into a small-diameter hole.
  • a hook having a deep throat may easily attach around an object, but it may be difficult or impossible to insert into a small-diameter hole.
  • a retainer may be biased by a spring or any force not parallel to the plane of rotation. Retainers may have different retention forces. A user may overcome a retention force by applying sufficient force to a relevant hook along its path of rotation.
  • a "straight" configuration is where the angle between the shanks is increased from that of the opened configuration to further increase the separation between the bends and between the tips. This may look like a wide letter U or W when viewed from above or below the plane of rotation.
  • the straight configuration may be used to create a double-ended hook for hanging objects.
  • a "crossed" configuration is where the angle between the distal portions of the shanks is decreased from that of the closed configuration to be adjacent and generally parallel to each other. This may look like a grappling hook or an umbrella when viewed from above or below the plane of rotation.
  • the hook assembly may be in the crossed configuration when a user wants to have a pull tab, or, if one of the hooks has a shallow throat, to secure the shallow-throated hook within a small hole.
  • the hooks may not rotate beyond the crossed configuration. In another embodiment, the hooks may rotate beyond the crossed configuration.
  • FIGS. 3A-3B show exploded perspective views of the first embodiment.
  • FIG. 4 shows a first hook of the first embodiment in a crossed configuration being used as a pull tab for a finger.
  • FIGS. 5A-5B show perspective views of the long and short hooks of the first embodiment, respectively.
  • FIGS. 6A-6D show top planar views of the first embodiment in closed, crossed, opened, and straight configurations, respectively.
  • FIGS. 7A-7C show cartoon representations of an embossment on a hook disposed at various positions relative to several retainers.
  • FIG. 8 shows a perspective view of the first embodiment in an intermediate configuration.
  • FIG. 10 shows a perspective view of a second embodiment in a closed configuration.
  • FIG. 11 shows an exploded perspective view of the second embodiment.
  • FIG. 12 shows a perspective view of a third embodiment in a closed configuration.
  • FIG. 13 shows an exploded perspective view of the third embodiment.
  • FIG. 14 shows a perspective view of how the hooks of the several embodiments may be nested for metal stamping and sorted after a final stamping operation.
  • FIG. 1A shows a standard C hook
  • FIG. 1B shows a standard S hook with various parts of each hook labeled.
  • a shank is generally the part of a hook between a grappling end (comprising a bend and a tip) and a cord-attachment end (where a cord may be connected).
  • a hook may include a front length between the bend and the tip. Parts of the hook nearer to the cord-connection end are "proximal" thereto and parts of the hook further from the cord- connection end are “distal” thereto.
  • the gape is the distance between the base of the bend (the proximal end of the bend corresponding to the distal end of the shank) and the tip.
  • the throat is approximately the distance between a medial point of the bend and a medial point of a line projected from the base of the bend to the tip.
  • a deep throat corresponds to a large distance and a shallow throat corresponds to a small distance.
  • the opening is approximately the distance between a proximal end of the shank and the tip.
  • hook and "jaw” are used interchangeably to describe a rigid member having a shank, a bend, a throat, and a gape.
  • FIGS. 2A and 6A show a first embodiment of the hook assembly 100 in a closed configuration.
  • the hook assembly 100 comprises a pair of parallel opposing hooks, referred to as deep hook 200 and shallow hook 300, each secured to a bushing 410 to form two coaxial planar pivot joints.
  • the hooks may have throats of equal or unequal depths; they may have gapes of equal or unequal sizes; and they may have shanks of equal or unequal lengths.
  • the bushing 410 may comprise one or more discrete components; or it may be integrally formed from the deep hook 200, the shallow hook 300, and/or an optional yoke 400 (a yoke 400 is shown in FIGS. 10-13); or it may be comprise a combination thereof.
  • the deep hook 200 may have a solid or hollow extrusion that is received by a sleeve of the shallow hook 300 (or vice versa), wherein such extrusion may be engaged directly with the receiving sleeve or wherein the extrusion may pass through a receiving sleeve and snap, thread, or otherwise mate with fastening component.
  • the bushing 410 may be made of any suitable material such as metal and/or plastic.
  • the bushing 410 may be solid, such as a pin, rivet, post, bearing, axle, or extrusion, or the bushing 410 may be hollow (having a hole 420), such as a hollow rivet, hollow post, bearing, axle, grommet, or eyelet.
  • FIGS. 3A and 3B show exploded views of the hook assembly 100 before assembly.
  • the bushing 410 is shown having one end flared out before assembly such that the other end would be flared out after the bushing 410 has been fully inserted through the sleeve 210 of the deep hook 200 and the sleeve 310 of the shallow hook 300.
  • flaring out of both ends of bushing 410 could be
  • a cord 500 may be inserted through the bore 420, formed into a loop, and sewn, stapled, riveted, or otherwise temporarily secured or permanently fastened to itself.
  • FIG. 4 shows the cord 500 passed through the bore 420 and sewn to itself.
  • the cord 500 may be inserted through the bore 420 and then tied into a knot or secured to an arbitrarily shaped anchor having a diameter (or major and/or minor axes) larger than a diameter of the bore 420.
  • the bushing 410 and the sleeve 210 comprise a first pivot joint and the bushing 410 and the sleeve 310 comprise a second pivot joint coaxial with the first pivot joint.
  • the deep hook 200 and the shallow hook 300 may rotate in parallel planes. This rotation allows the hook assembly 100 to assume a plurality of substantially planar configurations, for example "closed,” “crossed,” “opened,” and “straight.”
  • the hook assembly 100 may include one or more retaining elements (retainers), each of which may engage with a portion of the shank of the deep hook 200 or with a portion of the shank of the shallow hook 300, or engage with a portion of a yoke 400. Such engagement may cause the engaged hook to latch, snap, catch, clip, or hold to the other hook or to a yoke such that the engaged hook is impeded from rotating relative to the other hook or to the yoke, respectively. Such an impeded rotational state may be referred to as a retained configuration of the hook assembly 100.
  • a retainer may be any depressed or raised element on a surface that is capable of engaging with a complementary element on a shank of a hook.
  • the hooks need not have flat surfaces, for example if they are formed from round wire.
  • a retainer may simply be a kink or bend along the shank of a hook that is capable of engaging with a complementary kink or bend along the shank of the other hook, engaging with the crown of a curved surface along the shank of the other hook, or engaging with a complementary element on a yoke.
  • FIG. 5A shows the deep hook 200 having an embossment 240, a retainer for closed position 220, and a retainer for crossed position 230.
  • FIG. 5B shows the shallow hook 300 having an embossment 340, a retainer for closed position 320, and a retainer for crossed position 330.
  • An embossment may be a portion of material extending from a surface, for example a bump on a flat surface, an edge of a flat surface that has been bent out of the plane of the surface, or a crown of a curved shank.
  • each hook may include a third retainer that could latch the hook assembly 100 in the opened configuration.
  • the retainers and embossments are substantially interchangeable.
  • a hook assembly of two hooks each having one embossment and two retainers has approximately the same functionality as a hook assembly of two hooks each having two embossments and one retainer (except possibly a reduced functionality with respect to undesired crossing-over of the hooks, as is later described).
  • the specific number of embossments and retainers may be increased or decreased depending on the desired absolute or relative retention strength for the various retained configurations.
  • the embossment 240 defined on the deep hook 200 is engaged with the retainer for closed position 320 defined on the shallow hook 300.
  • the embossment 340 defined on the shallow hook 300 is engaged with the retainer for closed position 220 defined on the deep hook 200.
  • This latter engagement is shown in cartoon form in FIG. 7A. Engagement of an embossment with a retainer creates an impediment (or resistance) of the deep hook 200 and the shallow hook 300 to rotate relative to each other, thereby latching the hook assembly 100 in this closed configuration until a user applies enough force to overcome the retention (engagement) force.
  • the embossments and retainers may not properly engage.
  • the embossments and retainers may not engage with the retainer for closed position 320 or with the retainer for crossed position 330.
  • One way to ensure proper engagement is to create a bias, substantially perpendicular to the planes of rotation, which pushes the embossments and retainers against each other. Two methods are described below.
  • the sleeve 210 of the deep hook 200 is disposed below and against the sleeve 310 of the shallow hook 300, but the bend of the deep hook 200 is disposed above and against the bend of the shallow hook 300.
  • the bend of the shallow hook 300 may guide or push the bend and shank of the deep hook 200 upward (and equivalently the bend of the deep hook 200 may guide or push the bend and shank of the shallow hook 300 downward).
  • the embossment 240 may be biased upwards and the retainer for closed position 320 and the retainer for crossed position 330 bay be biased downwards (embossments and retainers may be biased towards each other).
  • a second means to bias the embossments and retainers towards each other can be seen with reference to FIGS. 5A and 5B.
  • a separation 260 is defined on the wide portion of the shank of the deep hook 200, thereby forming an arm 270 on which the retainer for closed position 220 and the retainer for crossed position 230 are defined.
  • a separation 360 is defined on the wide portion of the shank of the shallow hook 300, thereby forming an arm 370 on which the retainer for closed position 320 and the retainer for crossed position 330 are defined.
  • the arm 270 and arm 370 may be bent slightly out of their respective planes of rotation towards each other (when assembled together as a hook assembly 100) and therefore press against each other. For example, as viewed from the perspective of FIG.
  • the arm 370 could be bent slightly downward such that when the hook assembly 100 transitions to the closed configuration, the retainer for closed position 320 and the embossment 240 will push against each other and properly engage.
  • a user may adjust the retention forces by manually bending the arm 270 and/or the arm 370.
  • the deep hook 200 may include a hole 280 and the shallow hook 300 may include a hole 380, as shown in FIG. 2C, such that when the hook assembly 100 is in the closed configuration, as shown in FIGS. 2A and 6A, the hole 280 and the hole 380 substantially overlap (coincide).
  • Such overlap enables the deep hook 200 and the shallow hook 300 to be locked together, for example by inserting a rigid object like a bolt through the hole 280 and the hole 380, or by inserting a wire through the hole 280 and the hole 380 and then wrapping the wire around the pair of the arm 270 and arm 370.
  • the separation 260 and/or the separation 360 should be narrower than the diameter of the intended wire to ensure the locking mechanism cannot be too easily circumvented.
  • the crossed configuration shown in FIGS. 2B and 6B may be achieved by rotating the deep hook 200 and the shallow hook 300 towards each other when starting from the closed configuration shown in FIGS. 2A and 6A.
  • the embossment 240 defined on the deep hook 200 is engaged with a retainer for crossed position 330 defined on the shallow hook 300.
  • the embossment 340 defined on the shallow hook 300 is engaged with a retainer for crossed position 230 defined on the deep hook 200.
  • This latter engagement is shown in cartoon form in FIG. 7C.
  • FIG. 4 shows how a user can use the shallow hook 300 as a pull tab when securing the deep hook 200 to an object (or vice versa).
  • the opened configuration shown in FIGS. 2C and 6C may be achieved by rotating the deep hook 200 and the shallow hook 300 away from each other starting from the closed configuration shown in FIGS. 2A and 6A.
  • this first embodiment there is no engagement of embossments and retainers in the opened configuration.
  • the deep hook 200 and the shallow hook 300 may rotate relative to each other without having to overcome any retention force.
  • FIGS. 2D and 6D may be achieved by rotating the deep hook 200 and shallow hook 300 away from each other starting from the opened
  • the deep hook 200 and the shallow hook 300 may rotate relative to each other without having to overcome any retention force.
  • Retention force is a function of the height of an embossment and the steepness of its sidewalls, and the depth of a retainer and the steepness of its sidewalls (among other parameters).
  • a small retention force small resistance to rotation
  • a large retention force large resistance to rotation
  • FIG. 7A shows the embossment 340 engaged with the retainer for closed position 220, which latches the deep hook 200 to the shallow hook 300.
  • FIG. 7B a user has applied enough force to push the embossment 340 out of the retainer for closed position 220, causing the deep hook 200 and the shallow hook 300 to push away from each other out of their respective planes of rotation.
  • the embossment 340 is positioned adjacent to the retainer for crossed position 230, the embossment 340 "snaps" into the retainer for crossed position 230, thereby latching the deep hook 200 to the shallow hook 300 in the crossed configuration.
  • the exemplary illustrations of this disclosure show substantially symmetric (mirror image) shanks of the deep hook 200 and the shallow hook 300. This has been done for the sake of clarity not to limit the scope of the invention.
  • the several embodiments of the hook assembly 100 would still be able to retain the closed and crossed configurations if the two retainers on one hook and the one embossment on the other hook were eliminated. For example, eliminating the retainer for closed position 220, the retainer for crossed position 230, and the embossment 340 would not sacrifice retention of either the closed or crossed configurations. This is because the retainer for closed position 320, the retainer for crossed position 330, and the embossment 240 would still be able to retain the deep hook 200 and shallow hook 300 in those configurations.
  • FIG. 8 shows the hook assembly 100 wherein the deep hook 200 and shallow hook
  • the tip of the shallow hook 300 are rotating towards each other from the opened configuration to the closed configuration.
  • the tip of the shallow hook 300 would pass under the bend of the deep hook 200 as viewed from this perspective.
  • the tip of the shallow hook 300 may pass over the bend of the deep hook 200.
  • the bend of the deep hook 200 defines a protrusion 250 that is displaced away from the plane of rotation of the shallow hook 300, thereby creating a void adjacent to the tip of the shallow hook 300.
  • the tip of the shallow hook 300 defines a protrusion 350 that is displaced away from the plane of rotation of the deep hook 200, thereby creating a void adjacent to the bend of the deep hook 200.
  • These voids provide a margin of error when the bends and/or tips of the hooks rotate towards and past each other.
  • the hook assembly 100 of the first embodiment would have approximately the same functionality if each embossment were instead a retainer and each retainer were instead an embossment (two embossments and one retainer per hook, for example). However, if the hooks of this hypothetical hook assembly were rotated from the opened configuration towards the closed configuration, the
  • embossments on the opposite hooks would encounter each other and would cause the bend of each hook to deviate out of its normal plane of rotation and into the plane of the bend of the other hook. If such encounter occurs before the tip of the shallow hook 300 rotates past the bend of the deep hook 200, the tip of the shallow hook 300 may strike the sidewall of the bend of the deep hook 200 or it may cross over the wrong surface of the bend of the deep hook 200. If this hypothetical hook assembly were viewed from the perspective shown in FIG. 8 (but this hypothetical hook assembly is not actually illustrated in FIG. 8), the tip of the shallow hook 300 would deviate upwards and the bend of the deep hook 200 would deviate downwards. This would cause a partial or complete loss of proper engagement of
  • FIGS. 9A-9C demonstrate a benefit of the hook assembly 100 having a short hook 300 with a reduced throat depth.
  • Many commercially available hooks are made with deep throats so that they can securely attach to objects. However, it can be difficult or impossible to insert a hook with a deep throat into a narrow slot or hole.
  • the hook assembly 100 comprises two hooks, it can provide a deep hook 200 with a deep throat for securely attaching to objects and a shallow hook 300 with a shallow throat for insertion into narrow slots or holes.
  • FIG. 9A shows a hole that is too narrow for the deep hook 200 to be inserted therein.
  • FIGS. 9B and 9C show how the shallow hook 300 can be easily inserted into the same narrow hole.
  • FIG. 10 shows a second embodiment of the hook assembly 100 that includes a yoke 400 that is secured to the deep hook 200 and to the shallow hook 300 by a bushing 410.
  • FIG. 11 shows an exploded view of the hook assembly 100 before assembly.
  • the bushing 410 may be a discrete component or it may be integrally formed onto the deep hook 200, the shallow hook 300, and/or the yoke 400.
  • the outside diameter of the bushing 410 may be less than the inside diameters of the sleeve 210 and the sleeve 310 (as is illustrated) or it may be substantially the equal thereto. Similar to the first embodiment, the bushing 410 may be solid or hollow. If the bushing 410 is solid (as illustrated), the yoke 400 may include one or more holes 420 to receive a cord 500.
  • FIG. 12 shows a third embodiment of the hook assembly 100 that includes a yoke 400 that is secured to the deep hook 200 and to the shallow hook 300 by a bushing 410.
  • FIG. 13 shows an exploded view of the hook assembly 100 before assembly.
  • the bushing 410 may be a discrete component or it may be integrally formed onto the deep hook 200, the shallow hook 300, and/or the yoke 400. Similar to the first embodiment, the bushing 410 may be solid or hollow. If the bushing 410 is solid (as illustrated), the yoke 400 may include a hole 420 to receive a cord 500.
  • FIG. 14 shows how the deep hook 200 and the shallow hook 300 may be nested in a manner suitable for production by progressive metal stamping and how the stamped hooks may be sorted after final stamping operation.
  • Other means of manufacturing the deep hook 200 and the shallow hook 300 may include metal casting and/or plastic injection molding.
  • the deep hook 200 and the shallow hook 300 may be stamped from metal and then may be partially or completely coated with a hard nylon layer via plastic injection molding.
  • a hook assembly may have greater or fewer retained configurations and may have greater or fewer retainers than has been illustrated in this disclosure. For example, there may only be a single retainer on a first hook that engages with a single embossment on a second hook to retain the hook assembly in a closed configuration. Further, the retainers and/or embossments may be disposed in various locations such as on each hook, on a yoke, on another member, or on some combination thereof.
  • the hooks may be formed into any shape that enables a grappling function, and the hooks may be formed from a substantially flat and/or round material. It is therefore intended that the appended claims cover all such embodiments that do not depart from the spirit and scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Abstract

L'invention concerne un dispositif crochet comprenant deux crochets opposés parallèles et adjacents s'étendant depuis une douille et reliés rotatifs à cette dernière de sorte que des surfaces adjacentes des crochets viennent en prise l'une avec l'autre selon des angles relatifs prédéfinis définissant une configuration fermée, appropriée pour enfermer un objet, et une configuration croisée dans laquelle un crochet peut servir de tirette manuelle. Une sollicitation de mise en prise peut être créée en disposant le premier manchon de douille inférieur sur le second manchon de douille et le premier coude supérieur sur le second coude.
PCT/US2017/068611 2017-01-01 2017-12-28 Dispositif crochet à mâchoires opposées rotatives Ceased WO2018125949A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201762441409P 2017-01-01 2017-01-01
US62/441,409 2017-01-01
US15/784,174 US11002308B2 (en) 2017-01-01 2017-10-15 Hook device with opposing jaws
US15/784,174 2017-10-15
US15/853,723 2017-12-23
US15/853,723 US10731698B2 (en) 2017-01-01 2017-12-23 Hook device with rotatable opposing jaws

Publications (1)

Publication Number Publication Date
WO2018125949A1 true WO2018125949A1 (fr) 2018-07-05

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ID=62710757

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/068611 Ceased WO2018125949A1 (fr) 2017-01-01 2017-12-28 Dispositif crochet à mâchoires opposées rotatives

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WO (1) WO2018125949A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11225996B1 (en) 2020-11-28 2022-01-18 Erik Vaclav Chmelar Dual hook clasp

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455330A (en) * 1922-08-29 1923-05-15 Fordyce Riley Cable hanger
US3620562A (en) * 1969-10-13 1971-11-16 Masataro Sato Connector-hook assembly
US6243922B1 (en) * 2000-03-03 2001-06-12 Dexterity, Inc. Detachable clasping fastener
US6945676B1 (en) * 2003-01-16 2005-09-20 Scott Dennis J Support structure for electric lighting fixtures
US20090044387A1 (en) * 2007-08-14 2009-02-19 Hayes Daniel S Hook and connector device
US8083202B1 (en) * 2011-05-19 2011-12-27 Hutchison Laura L Attachable hanging hook
US20140157554A1 (en) * 2012-12-06 2014-06-12 Y-Tex Corporation Tag hanger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455330A (en) * 1922-08-29 1923-05-15 Fordyce Riley Cable hanger
US3620562A (en) * 1969-10-13 1971-11-16 Masataro Sato Connector-hook assembly
US6243922B1 (en) * 2000-03-03 2001-06-12 Dexterity, Inc. Detachable clasping fastener
US6945676B1 (en) * 2003-01-16 2005-09-20 Scott Dennis J Support structure for electric lighting fixtures
US20090044387A1 (en) * 2007-08-14 2009-02-19 Hayes Daniel S Hook and connector device
US8083202B1 (en) * 2011-05-19 2011-12-27 Hutchison Laura L Attachable hanging hook
US20140157554A1 (en) * 2012-12-06 2014-06-12 Y-Tex Corporation Tag hanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11225996B1 (en) 2020-11-28 2022-01-18 Erik Vaclav Chmelar Dual hook clasp

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