WO2014001918A2 - Rouleau de tension - Google Patents

Rouleau de tension Download PDF

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Publication number
WO2014001918A2
WO2014001918A2 PCT/IB2013/002322 IB2013002322W WO2014001918A2 WO 2014001918 A2 WO2014001918 A2 WO 2014001918A2 IB 2013002322 W IB2013002322 W IB 2013002322W WO 2014001918 A2 WO2014001918 A2 WO 2014001918A2
Authority
WO
WIPO (PCT)
Prior art keywords
knob
cord
base
pawl
tension device
Prior art date
Application number
PCT/IB2013/002322
Other languages
English (en)
Other versions
WO2014001918A3 (fr
Inventor
Edward R. Hall
Pierre-Luc LUSSIER
Original Assignee
Revision Military S.A.R.L.
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 Revision Military S.A.R.L. filed Critical Revision Military S.A.R.L.
Priority to US14/409,833 priority Critical patent/US20150191326A1/en
Publication of WO2014001918A2 publication Critical patent/WO2014001918A2/fr
Publication of WO2014001918A3 publication Critical patent/WO2014001918A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B65H75/4428—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
    • B65H75/4431—Manual stop or release button
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/08—Chin straps or similar retention devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/35—Ropes, lines

Definitions

  • aspects of the invention relate to cord tensioning devices for use in tightening cords or laces used in lacing or strapping systems.
  • a turn lock fastener in U.S. Pat. No. 6,026,798, a turn lock fastener is disclosed.
  • This turn lock fastener includes a flat housing and a rotating knob disposed on top of the housing which can be rotated relative to the housing.
  • Two pull cords pass out of the housing on opposite sides of the housing and are connected to helmet straps.
  • a rotary actuator construction inside the housing allows the helmet strap to be tightened or released by turning a rotating knob.
  • the rotary actuator is used to turn the cord wheel, on which ends of the cords are wound, in one direction or the other such that by turning the rotating knob the effective length of pull cords can be modified in opposite directions.
  • An exemplary embodiment of the present application provides a cord tensioning reel having three modes of operation: a ratchet-to-tighten mode, a release-ratchet-to-loosen-and- then-hold mode, and a total release mode for relieving all tension in the cord.
  • a ratchet-to-tighten mode the shape of at least one ratchet pawl and ratchet teeth allow a cord winding spool to rotate in a tightening direction upon the application of external torque.
  • an actuator associated with the knob releases the ratchet pawl from the ratchet teeth upon an external torque to the knob in a reverse direction.
  • the apparatus includes a knob having at least one downward extending actuator, a cord spool and a pawl ring that can engage with the spool for mutual rotation.
  • the pawl ring is axially captured by the knob and rotationally engaged by the actuator to be forcibly rotated by the knob but with a loss in the degree of rotation between the knob and the pawl ring.
  • the apparatus includes a base having ratchet teeth engaged by the pawl ring to allow relative rotation between a subassembly comprising the knob, pawl ring and spool with respect to the base when the knob rotates in a tightening direction and to prevent reverse rotation and cord loosening once tightened.
  • the apparatus allows reverse rotation after the lost motion rotation is taken up, by allowing the subassembly of the knob, pawl ring and spool to rotate relative to one another in a reverse direction, a loosening direction, with respect to the base by torque applied to the knob.
  • the pawl engages the ratchet teeth and slips on the ratchet teeth when rotated in a cord tightening direction when a torque is applied to the knob 7 by the actuator applying a tangential force to the pawl ring.
  • the actuator deflects the pawl from the ratchet teeth to allow rotation of the pawl ring and engaged spool with respect to the base in a loosening direction. Release of the applied loosening direction torque on the knob allows the pawl to snap back into engagement with the ratchet teeth and holds the selected tightening state of the spool with respect to the base.
  • the apparatus can also include a retainer that is secured to the base and which captures the knob onto the base.
  • the retainer includes a body that has two grooves to provide a selectable axial position of the knob with respect to the base. In the first axial position, the apparatus is set to function in either the ratchet-to-tighten mode or the release-ratchet-to- loosen-and-then-hold mode as described herein. In a second axial position, the pawl ring is released from the ratchet teeth and/or the pawl ring is released from the spool, and the spool is free to turn within the base.
  • the reel of the present application is particularly useful for tension helmet straps, particularly for military helmets, wherein a user can tighten or loosen helmet straps with one hand.
  • Figure 1 is an exploded upper perspective view of a cord tensioning reel according to one embodiment of the invention.
  • Figure 2 is an exploded lower perspective view of the cord tensioning reel of Figure l ;
  • Figure 3 is a sectional view of the apparatus of Figure 1 after assembly and in a first operating state
  • Figure 4 is a sectional view of the apparatus of Figure 3 in a second operational state
  • Figure 5 is a sectional view taken along line 5-5 of Figure 3 in the first operational state with the knob in a tightening mode;
  • Figure 6 is a sectional view taken along line 5-5 of Figure 3, in the first operational state with the knob in a loosening mode;
  • Figure 7 is a sectional view taken along line 7-7 of Figure 5 but only showing a base of the apparatus
  • Figure 8 is a fragmentary sectional view taken along lines 8-8 of Figure 5;
  • Figure 9 is a sectional view showing the apparatus of one embodiment of the invention applied to a helmet retention system
  • FIG. 10 is a fragmentary rear view of the helmet retention system shown in Figure
  • Figure 10A is a perspective view of a reel of the helmet retention system of Figure 9; and Figure 10B is a front view of a contact strap and loop of the helmet retention system of Figure 9.
  • the present inventors have recognized a need for a cord tensioning reel that is compact, cost-effectively manufactured and assembled.
  • the present inventors have recognized a need for a cord tensioning reel for military helmets or other helmets that can be used to adjust the fit and tension of a helmet strap.
  • the present inventors have recognized a need for a cord tensioning reel that can be used in three modes of operation: a ratchet-to- tighten mode, a release-ratchet-to-loosen-and-then-hold mode, and a total release mode for relieving all tension in the cords.
  • Figures 1 and 2 illustrate a cord tensioning reel 20 comprising a retainer 24, a knob 26, a pawl ring 28, a spool 32 and a base 36.
  • the retainer 24 includes a disk-shaped retainer flange 42 and a retainer body 46 extending downward from the flange.
  • the retainer body 46 is substantially hollow and cylindrical and has a lower annular groove 50 and an upper annular groove 52 on an outside of the retainer body 46.
  • the grooves 50, 52 can have a V. -shaped cross- section.
  • a mounting hole 56 extends centrally through the flange 42.
  • the body includes a cylindrical cavity 58 that is open to the mounting hole 56.
  • Knob 26 includes a disc-shaped top wall 63 and a slotted or knurled cylindrical side wall 64 extending downward from the top wall 63.
  • the top wall 63 includes a central opening 66.
  • An annular bottom lip 67 extends radially inward from an end of the sidewall 64.
  • lifting arms 70 and detent arms 76 Extending downward from the top wall 63 around the opening 66 are lifting arms 70 and detent arms 76. Also extending downward from the top wall 63 are bosses or actuators 82. The bosses 82 are arranged radially spaced from the opening 66 and the lifting arms 70 and the-detent arms 76. The members 70, 76, 82 all have a circular curvature about the center of the opening 66.
  • the pawl ring 28 includes a base ring 94 having a central opening 96.
  • a plurality of spaced- apart teeth 106 extend downward from the base ring 94. Teeth 106 are spaced apart evenly around the circumference of the base ring 94.
  • On top of the base ring 94 are three pawl members 110a, 110b, 110c.
  • Each pawl member 110a, 110b, 110c includes a pawl base 112, a flexible pawl arm 114 extending from the pawl base 112 and a pawl head 116 extending from the flexible pawl arm 114.
  • the three pawl members 110a, 110b, 110c curl from pawl base 112 to pawl head 116 concentrically around a center of the opening 96 in a common rotary direction.
  • the spool 32 includes an annular top wall 152 and a substantially circular bottom wall
  • An annular wall 158 connects the walls 152, 156 and forms a cord winding groove 162 on outside of the annular wall 158.
  • the bottom wall 156 includes slotted portions 166a, 166b, 166c that allow for anchoring the cords 205a, 205b ( Figure 3) wound on the spool 32.
  • the bottom wall 156 includes a central opening 170.
  • Within the annular walls 152, 158 a plurality of teeth 180 extend upward from the bottom wall 156.
  • the teeth 180 are evenly spaced around a circumference of the annular wall 158.
  • the teeth 180 are configured and spaced to mesh with the teeth 106 of the pawl ring when the pawl ring 28 is positioned against the spool 32.
  • Base 36 includes a bottom circular wall 204 and a surrounding cylindrical sidewall 206 that extends upward from the bottom wall 204.
  • the bottom wall 204 includes cylindrical bores 204a, 204b for cords 205a, 205b to enter/exit the base 36 and to be wrapped around the spool 32.
  • the cords 205a, 205b are wound in a same rotary direction on the spool such that clockwise turning of the spool draws both cords 205a, 205b into the base 36 and
  • a plurality of ratchet teeth 210 extend radially inward from an inside surface of the sidewall 206. The teeth 210 are evenly spaced around the circumference of the sidewall 206.
  • a cylindrical attachment boss 220 extends upward from the bottom wall 204. Boss 220 includes a central bore 226 that can accept a screw 227 to hold together the entire assembled reel 20.
  • Figures 3-5 illustrate the reel 20 in an assembled state. Spool 32 having the cords
  • 205a, 205b wound thereon is placed over the boss 220 and inside the base 36 with the attachment boss 220 extending through the spool opening 170.
  • the cords 205a, 205b are threaded through two holes 204a, 204b in the base bottom wall 204.
  • the spool 32 is now freely rotatable on the attachment boss 220.
  • the pawl ring 28 is placed over and onto the spool 32 and the pawl ring teeth 106 mesh with the spool teeth 180 and pawl heads 116 mesh with the base ratchet teeth 210.
  • a subassembly comprising the retainer 24 and knob 26 are pressed down onto the pawl ring 28 and the base 36.
  • the attachment boss 220 fits into the cavity 58 of the retainer 24.
  • the screw 227 attaches the retainer 24 to the base 36.
  • the lift arms 70 deflect radially inward due to sliding between the opposing tapered surfaces 70a, 94a on, respectively, the lift arms 70 and pawl base ring 94.
  • lift arm heads 70b clear the pawl base ring 94 and snap back radially outward to underlie the pawl ring 94.
  • each boss or actuator 82 fits between a flexible arm 114 of a respective pawl 110a, 110b, 110c and the ratchet teeth 210.
  • each detent arm 76 includes a rounded head 76a that snaps into a selectable one of the grooves 50, 52.
  • the opening 66 through the top wall of the knob is large enough and deep enough that the flange 42 can move in relative axial motion through the opening between the two positions shown in Figure 3 and Figure 4 as the knob 26 is raised and lowered with respect to the base 36. In the position shown in Figure 3, the detent head 76a snaps into the lower groove 50.
  • the knob 26 has been pulled up with respect to the base 36 and the detent head 76a has snapped into the upper groove 52.
  • the pawl heads 116 are engaged to the ratchet teeth 210 and the pawl ring teeth 106 mesh with the spool teeth 180.
  • the pawl heads 116 are pulled up to non-engagement with the ratchet teeth 210 and the pawl ring teeth 106 are pulled up to non-engagement with the spool teeth 180.
  • the pawl ring 28 is pulled up by the lift arms 70 via the lift arm heads 70b.
  • each lift arm 70 snaps into the groove 52 and a stop 70c provided on the inside of each lift arm 70 abuts an underside 42a of the retainer flange 42 to prevent further upward travel of, and separation of, the knob 26 from the base 36.
  • the pawl flexible arms 114 deflect radially inwardly as the pawl heads 116 slip over the ratchet teeth 210.
  • Each pawl head 116 has a sloping surface 116a that slides over a sloping surface 210a of the ratchet teeth.
  • Figure 5 illustrates the knob ready to turn further in a tightening direction, clockwise.
  • the bosses 82 abut a shoulder 112a of each respective base 112. Further rotation of the knob 26 presses the bosses 82 against the shoulders 112a and forces rotation of the pawl ring 28 and the spool 32, by the engagement of the teeth 106, 180, in a clockwise direction as the pawl heads 116 slip over the teeth 210.
  • Figure 6 illustrates the knob 26 rotated counterclockwise a short rotational angle from the positions shown in Figure 5, to a position where the steep surfaces 116b of the pawl head 116 is clear from a steep surface 210b of the ratchet teeth 210 to allow counterclockwise rotation of the pawl ring and spool with respect to the base.
  • the bosses 82 press against a sloping backside 114a of the flexible arms 114 to deflect the pawl heads 116 out of engagement with the ratchet teeth 210.
  • a third operational mode occurs when the knob 26 is pulled up with respect to the base 36 into the orientation of Figure 4. In this orientation, the spool is effectively disengaged from the base and/or from the pawl ring and is freely rotatable on the attachment boss. Thus, tension is released and the cords can be manually pulled out of the base, rotating the spool within the base.
  • Figures 7 and 8 illustrate how the cords 205a, 205b enter/exit the base 36 and are wound on the spool 32.
  • the bottom wall 205 of the base 36 includes the cylindrical bores 204a, 204b.
  • the bores 204a, 204b are located radially outside the circumference of the spool 32.
  • the bores 204a, 204b are open to a curved cord feed channel 204c, 204d which respectively guide the two cords 205a, 205b.
  • the feed channels 204c, 204d are each open to a respective window 204e, 204f into an interior portion of the base 36 and exposed to the spool to be wound thereon.
  • the bore/feed channel/window combinations 204a, 204c, 204e and 204b, 204d, 204f each guide a respective cord 205a, 205b into/out of the base 36 to be wound on the spool and each allow a right angle turn of the cord from its entry into the bottom wall to its approach and winding on the spool.
  • the present embodiment of a tension reel is particularly effective for setting tension in a strap system for a helmet.
  • a helmet retention system 600 may be used with helmet 90 shown in Figures 9, 10, 10A and 10B.
  • the helmet retention system is substantially a mirror image across the center, vertical mid-plane of the helmet.
  • the helmet retention system 600 comprises a front strap system 610 and a lower strap system 620.
  • the front strap system 610 has a first reeling cord 616, a first contact strap 612, and a first reel 631.
  • the lower strap system 620 has a second reeling cord 626, a second contact strap 622, and a second reel 632.
  • the first and second reels can be housed in a reel housing 630.
  • the reel housing 630 is enclosed in a soft armor neck pad for contacting the rear of a user's neck and/or head.
  • the first and second reels 631, 632 may be configured similarly to the reel 20 described in Figures 1-8.
  • the first reeling cord 616 is anchored to the helmet at a forward location adjacent a user's temple by a front anchor 643.
  • the front anchor may be located between a user's eye and a user's ear, such as shown in Figure 9.
  • a downward extending portion 616a extends downward and is fed through a loop 614 attached to a first contact strap 612. After the loop 614 an upward extending portion 616b extends upward from the loop adjacent to, and in some versions substantially parallel to, the downward extending portion 616a until the first reeling cord reaches a first front system block 641.
  • the first reeling cord slides over the first block 641 and thereafter the first reeling cord extends rearward along a rearward extending portion 616c toward the rear of the helmet on a slightly declining angle to second front system block 642.
  • the reeling cord slides over the second block 642 and downward and forward to a third block 645 then rearward to the reel housing 630 and then into the first reel 631 with portion 616d.
  • the reels 631,632 are substantially the same and an exemplary reel 631, 632 is shown in Figure 10A.
  • the reel 631 is circular and has a channel 635 defined by the outer disk walls 637, 638. The channel is for reeling, holding, and releasing the reeling straps 616, 626.
  • the reel 631 comprises a center hub 636 about which a knob 26 ( Figure 2) of the reel can be turned.
  • the reel 631 may also include an anchor where a reel cord is held at someplace along a length of the reel cord that is not an end of the reel cord. In one embodiment, the reel cord is anchored at a midpoint along its length.
  • reel cord 631 As the reel cord enters the reel 631 at cord portion 616d, it is anchored as just described, and then may be wound around the reel a number of times depending on the position of the reel, and a reel cord 616e will extend out of the reel along to the opposite side of the helmet as shown in Figure 10A.
  • the reeling cord 616 continues in a configuration which is a mirror image to that shown in Figure 9 and the reel cord end is anchored in place in a mirror image location opposite that shown in Figure 9, in some embodiments. Opposite ends of the reel cord may be anchored to the helmet in opposite front temple areas of the helmet.
  • the first contact strap continues under a user's chin as shown in Figure 9 to engage the first reel cord on the opposite side.
  • the front strap system 610 is configured to increase or decrease the downward tension in a forward area between a helmet 10 and the user's head. Turning the first reel knob moves the reel cord and the position of the loop 614 to move up or down in the direction H shown in Figure 9 depending on the direction that the first reel knob is turned.
  • the lower strap system 620 operates similarly to that of the front strap system 610 but the lower strap system 620 may be positioned differently than the front strap system.
  • the second reel cord 626 may be anchored at a rear position of the helmet by a rear anchor 644.
  • the anchor 644 may be positioned on the helmet behind the rear of a user's head when viewed from the side as shown in Figure 9.
  • the second reel cord 626 extends from the anchor 644 downward along a downward extending portion 626a and forward to a first lower system block 646.
  • the first block may be positioned on the helmet or on the reel housing.
  • the second reel cord then extends forward toward a user's ear, on a forward portion 626b to a loop 624 of the second contact strap 622.
  • the second reel cord 626 loops back around loop 624 and extends rearward along a rearward portion 626c, 626d to enter the second reel 632 (not shown).
  • the rearward portion 626c travels adjacent, and some configurations, substantially parallel to the forward portion 626b.
  • As the second reel cord enters the reel 632 at reel portion 626d it may be wound around the reel a number of times depending on the position of the reel, and reel cord 626e will extend out of the reel along to the opposite side of the helmet as shown in Figure 10A.
  • the reeling cord 626 continues in a configuration which is a mirror image to that shown in Figure 9 and the reel cord end is anchored in place in a mirror image location opposite that shown in Figure 9, according to some embodiments.
  • Opposite ends of the reel cord may be anchored to the helmet in opposite rear areas of the helmet.
  • the second contact strap is configured to continue over the front of a user's chin as shown in figure 9 to engage the second reel cord on the opposite side.
  • the open area chin cup 621 configuration provide by the first contact strap 612 and the second contact strap 622 and the gap there -between below the contact or cross point 611 secures the contact with the user's chin while leaving an open area of the users chin for a more comfortable fit.
  • the lower strap system 620 is configured to increase or decrease the downward tension in a rear area between a helmet 90 and the user's head. Turning the second reel knob moves the second reel cord and causes the position of the loop 624 to move substantially forward or backward in the direction / shown in Figure 9 depending on the direction that the second reel knob is turned.
  • Each of the front strap system 610 and the lower strap system 620 are adjustable by turning the knobs of the corresponding reels 631, 632. Therefore, in some embodiments, the helmet retention system 600 may be adjusted by a user using only one hand.
  • the cords 616d, 626d and 616e, 626e can be guided laterally across the back side of the helmet (not shown) to enter the respective cylindrical bores 204a, 204b (see Figure 2) on the back side of the reels 631, 632.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Basic Packing Technique (AREA)

Abstract

Selon l'invention, un dispositif de tension de câble a trois modes de fonctionnement : un mode de serrage, un mode de relâchement pour desserrage puis de maintien, et un mode de relâchement pour éliminer toute tension dans le câble. Dans le mode de serrage, les formes de cliquets de rochet et de dents de rochet permettent à une bobine d'enroulement de câble de tourner uniquement dans une direction de serrage. Dans le mode de relâchement pour desserrage puis de maintien, un actionneur associé à la molette libère le cliquet de rochet vis-à-vis des dents de rochet dans une direction inverse, mais, lors du relâchement de la molette, le cliquet se rengrène avec les dents de rochet pour empêcher un desserrage plus ample. De cette manière, la tension peut être desserrée par incréments. Dans le mode de relâchement, les cliquets se désengrènent vis-à-vis des dents de rochet, même après le relâchement de la molette, et le bobine peut continuer à tourner à l'intérieur de la base quand une tension externe est appliquée au câble.
PCT/IB2013/002322 2012-06-22 2013-06-21 Rouleau de tension WO2014001918A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/409,833 US20150191326A1 (en) 2012-06-22 2013-06-21 Tensioning reel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261663400P 2012-06-22 2012-06-22
US61/663,400 2012-06-22

Publications (2)

Publication Number Publication Date
WO2014001918A2 true WO2014001918A2 (fr) 2014-01-03
WO2014001918A3 WO2014001918A3 (fr) 2014-04-03

Family

ID=49585437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/002322 WO2014001918A2 (fr) 2012-06-22 2013-06-21 Rouleau de tension

Country Status (2)

Country Link
US (1) US20150191326A1 (fr)
WO (1) WO2014001918A2 (fr)

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CN109892721A (zh) * 2017-12-07 2019-06-18 王孟淳 卷线器
WO2022170675A1 (fr) * 2021-02-09 2022-08-18 陈臆霙 Dispositif de fixation et procédé de serrage et de desserrage d'attache de câble
WO2022257274A1 (fr) * 2021-06-08 2022-12-15 陈金柱 Appareil de fixation
US11805856B2 (en) 2018-10-30 2023-11-07 Chin-Chu Chen Fastening device

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CN109748155A (zh) * 2018-12-29 2019-05-14 南京瑞唐通信设备有限公司 一种通信电缆的收纳装置
US11446181B2 (en) * 2019-02-22 2022-09-20 Corey B. Johnson Breath deflector and method of use
US11311997B2 (en) * 2019-03-07 2022-04-26 Ossur Iceland Ehf Adapter for a rotary device
US20220234862A1 (en) * 2019-06-05 2022-07-28 Garrett Ray Hurley Tool operated adjustment devices, fit systems, and line tensioning systems
KR102160426B1 (ko) * 2020-07-14 2020-09-28 주식회사 스핀온 와이어 조임장치
US11918063B2 (en) * 2020-08-26 2024-03-05 Donovan Hill Strapless face mask
CN213215665U (zh) * 2020-09-28 2021-05-18 李付德 一种旋钮装置
CN112089154A (zh) * 2020-09-28 2020-12-18 李付德 一种旋钮装置
CN112789233A (zh) * 2021-01-08 2021-05-11 叶世峰 绳线收放装置、鞋子、帽子、手套及收纳装置
US11638466B2 (en) * 2021-02-25 2023-05-02 Pride Manufacturing Company, Llc Systems and methods for an improved rotary closure
US11958716B2 (en) * 2022-05-31 2024-04-16 Huiqing Li Rope adjustor and wearable item
WO2024000575A1 (fr) * 2022-07-01 2024-01-04 广州新迪赛医疗器械有限公司 Correcteur d'hallux valgus

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