Failure compensating lace tension devices and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A43C-007/00
A43C-011/16
F16G-011/12
출원번호
US-0487024
(2014-09-15)
등록번호
US-9681705
(2017-06-20)
발명자
/ 주소
Trudel, Thomas
Irwin, Eric Craig
Whewell, Eric
출원인 / 주소
Boa Technology Inc.
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
2인용 특허 :
268
초록▼
A reel for tightening an article includes a housing and a spool positioned within the housing. A knob is coupled with the spool to cause the spool to rotate within the housing and thereby wind a tension member about a central post of the spool. A load holding mechanism is coupled with the spool and
A reel for tightening an article includes a housing and a spool positioned within the housing. A knob is coupled with the spool to cause the spool to rotate within the housing and thereby wind a tension member about a central post of the spool. A load holding mechanism is coupled with the spool and the housing and includes a first friction element and a second friction element that are frictionally engageable to prevent rotation of the spool in a second direction to prevent unwinding of the tension member from the spool's central post. Rotation of the knob in a first direction reduces frictional engagement of the friction elements to enable rotation of the spool in the first direction and tension in the tension member biases the spool toward rotation in the second direction which increases the frictional engagement of the friction elements.
대표청구항▼
1. A reel for tightening an article comprising: a base member that is coupleable with the article;a housing positioned atop the base member and removeably coupleable therewith, the housing having an interior region;a spool positioned within the interior region of the housing and rotatable relative t
1. A reel for tightening an article comprising: a base member that is coupleable with the article;a housing positioned atop the base member and removeably coupleable therewith, the housing having an interior region;a spool positioned within the interior region of the housing and rotatable relative thereto, the spool having a central post about which a tension member is wound;a knob member that is coupled with the spool and configured to cause the spool to rotate within the interior region of the housing in a first direction to wind the tension member about the spool's central post; anda load holding mechanism coupled with the spool and the housing, the load holding mechanism comprising a first friction element and a second friction element that are frictionally engageable to prevent rotation of the spool in a second direction opposite the first direction to prevent unwinding of the tension member from the spool's central post, wherein:the first friction element and the second friction element remain engaged as the spool is rotated in the first direction and the second direction;rotation of the knob member in the first direction decreases the frictional engagement of the first friction element and the second friction element to enable rotation of the spool in the first direction, andtension in the tension member biases the spool toward rotation in the second direction which increases the frictional engagement of the first friction element and the second friction element and thereby prevents unwinding of the tension member from the spool's central post. 2. The reel of claim 1, wherein the knob member comprises a tapered lumen through which the tension member is insertable to enable a knot to be tied in the tension member, or a mechanical fastener to be coupled with the tension member, wherein the knot or mechanical fastener engages with the tapered lumen as the tension member is retracted within the lumen to enable attachment of the tension member with the spool without disassembly of reel. 3. The reel of claim 2, wherein the housing includes a lumen through which the tension member is insertable, the lumen of the housing being alignable with the lumen of the knob member so that, upon alignment, the lumen of the housing directs the tension member through the lumen of the knob member. 4. The reel of claim 1, wherein the base member includes a spring member that is positioned within an annular groove and that releasably engages with a bottom end of the housing to removably couple the housing with the article. 5. The reel of claim 1, further comprising a release mechanism that is rotatably coupled with the housing and attached to a distal end of the second friction element, the release mechanism being rotatable relative to the housing to enable the spool to be rotated in the second direction and thereby enable unwinding of the tension member from the spool's central post. 6. The reel of claim 5, wherein the release mechanism is rotatable between a lock position and an unlock position, wherein in the lock position rotation of the spool in the second direction is prevented, and wherein in the unlock position rotation of the spool in the second direction is enabled. 7. The reel of claim 5, wherein rotation of the release mechanism in the second direction causes a corresponding rotation of the spool in the second direction to unwind the tension member from the spool's central post. 8. The reel of claim 7, wherein rotation of the release mechanism in the second direction causes an incremental release of the tension member from the spool's central post. 9. The reel of claim 1, wherein the spool is not fully enclosed by a wall or walls of the housing such that the spool and a portion of the tension member wound about the spool's post is visible, and wherein the wall or walls of the housing extend from a bottom portion of the spool to a top portion of the spool to reinforce the coupling of the spool within the interior region of the housing. 10. The reel of claim 1, wherein the first friction element comprises a hub that is coaxially aligned with and positioned within a lumen of the spool, and wherein the second friction element comprises a spring that is wound about the hub and configured to constrict about an outer surface of the hub to prevent rotation of the spool in the second direction. 11. The reel of claim 10, wherein the first friction element comprises a pair of hubs with a first one of said hubs fixedly coupled with the housing and a second one of said hubs fixedly coupled with the knob, wherein the second one of said hubs is configured to rotate relative to the first one of said hubs when frictional engagement of the spring and said pair of hubs is reduced, and wherein the second one of said hubs is rotatably locked to the first one of said hubs when frictional engagement of the spring and said pair of hubs is increased. 12. A reel for tightening an article comprising: a housing having an interior region and a base that is attachable to the article;a spool positioned within the interior region of the housing and rotatable relative thereto, the spool having a central post about which a tension member is wound;a knob member that is coupled with the spool and configured to cause the spool to rotate within the interior region of the housing in a first direction to wind the tension member about the spool's central post; anda load holding mechanism coupled with the spool and the housing, the load holding mechanism comprising a first friction element and a second friction element that are frictionally engageable to prevent rotation of the spool in a second direction opposite the first direction to prevent unwinding of the tension member from the spool's central post, wherein: the first friction element and the second friction element remain engaged as the spool is rotated in the first direction and the second direction;rotation of the knob member in the first direction decreases the frictional engagement of the first friction element and the second friction element to enable rotation of the spool in the first direction, andtension in the tension member biases the load holding mechanism into increased frictional engagement of the first friction element and the second friction element and thereby prevents unwinding of the tension member from the spool's central post. 13. The reel of claim 12, wherein the knob member comprises a tapered lumen through which the tension member is insertable to enable a knot to be tied in the tension member, or a mechanical fastener to be coupled with the tension member, wherein the knot or mechanical fastener engages with the tapered lumen as the tension member is retracted within the lumen to enable attachment of the tension member with the spool without disassembly of reel. 14. The reel of claim 13, wherein the housing includes a lumen through which the tension member is insertable, the lumen of the housing being alignable with the lumen of the knob member so that, upon alignment, the lumen of the housing directs the tension member through the lumen of the knob member. 15. The reel of claim 12, further comprising a release mechanism that is rotatably coupled with the housing and attached to a distal end of the second friction element, the release mechanism being rotatable relative to the housing to enable the spool to be rotated in the second direction and thereby enable unwinding of the tension member from the spool's central post. 16. The reel of claim 15, wherein rotation of the release mechanism in the second direction causes a corresponding rotation of the spool in the second direction to unwind the tension member from the spool's central post. 17. The reel of claim 16, wherein rotation of the release mechanism in the second direction causes an incremental release of the tension member from the spool's central post. 18. The reel of claim 12, wherein the first friction element comprises a hub that is coaxially aligned with and positioned within a lumen of the spool, and wherein the second friction element comprises a spring that is wound about the hub and configured to constrict about an outer surface of the hub to prevent rotation of the spool in the second direction. 19. The reel of claim 18, wherein the first friction element comprises a pair of hubs with a first one of said hubs fixedly coupled with the housing and a second one of said hubs fixedly coupled with the knob, wherein the second one of said hubs is configured to rotate relative to the first one of said hubs when frictional engagement of the spring and said pair of hubs is reduced, and wherein the second one of said hubs is rotatably locked to the first one of said hubs when frictional engagement of the spring and said pair of hubs is increased. 20. A method for assembly a shoe with a reel based mechanism comprising: providing a reel that includes: a base member;a housing having an interior region;a spool positioned within the interior region of the housing and rotatable relative thereto, the spool having a central post about which a tension member is wound;a knob member that is coupled with the spool and configured to cause the spool to rotate within the interior region of the housing in a first direction to wind the tension member about the spool's central post; anda load holding mechanism coupled with the spool and the housing, the load holding mechanism comprising a first friction element and a second friction element that are frictionally engageable to prevent rotation of the spool in a second direction opposite the first direction to prevent unwinding of the tension member from the spool's central post, wherein: rotation of the knob member in the first direction decreases the frictional engagement of the first friction element and the second friction element to enable rotation of the spool in the first direction, andtension in the tension member biases the load holding mechanism into increased frictional engagement of the first friction element and the second friction element;the first friction element comprises a pair of hubs positioned within a lumen of the spool and the second friction element comprises a spring that is wound about the pair of hubs and configured to constrict about an outer surface of the pair of hubs to prevent rotation of the spool in the second direction;a first one of said pair of hubs is fixedly coupled with the housing and a second one of said pair of hubs is fixedly coupled with the knob member, the second one of said pair of hubs being configured to rotate relative to the first one of said pair of hubs when frictional engagement of the spring and said pair of hubs is reduced, and the second one of said pair of hubs being rotatably locked to the first one of said hubs when frictional engagement of the spring and said pair of hubs is increased; andcoupling the base member with the article. 21. The method of claim 20, wherein the housing is integrally formed with the base member. 22. The method of claim 20, wherein the housing is removably coupleable with the base member. 23. The method of claim 22, wherein the base member includes a spring member that is positioned within an annular groove and that releasably engages with a bottom end of the housing to removably couple the housing with the article.
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