Apparatus for positioning a component of an exercise device
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63B-022/00
F16B-007/14
A63B-022/06
A63B-023/04
출원번호
US-0556028
(2014-11-28)
등록번호
US-9440106
(2016-09-13)
발명자
/ 주소
Bingham, Jr., Robert J.
Selby, Ryan P.
Everson, Neil P.
Robertson, Paul A.
출원인 / 주소
Hoist Fitness Systems, Inc.
대리인 / 주소
Jones Day
인용정보
피인용 횟수 :
0인용 특허 :
14
초록▼
An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and may be positioned by sliding the mem
An exercise device including at least one positionable component configured to be positioned by a user. The exercise device includes a frame to which a collar is mounted. The positionable component includes a member that is slidably received within the collar and may be positioned by sliding the member to a selected position. A locking assembly is coupled to the collar and is operable to lock the member in a selected position within the collar, to release the member from the locked position, and when released, to allow the member to slide within the collar. The locking assembly includes a cam pivotably mounted to the collar and a cam follower assembly selectively biased by the cam against a portion of the member disposed inside the collar. The locking assembly also includes a pair of engagement members disposed inside the collar opposite the cam against which the cam biases the member.
대표청구항▼
1. A locking assembly comprising: an adjustably moveable elongated member having a generally oblong cross-section with a first end portion opposite a second end portion, each end portion being adjacent to a first side portion and an opposing second side portion;a collar having an interior channel wi
1. A locking assembly comprising: an adjustably moveable elongated member having a generally oblong cross-section with a first end portion opposite a second end portion, each end portion being adjacent to a first side portion and an opposing second side portion;a collar having an interior channel with a generally oblong cross-section, the interior channel defined by a sidewall and a through-hole formed in the sidewall, wherein the elongated member is slidlingly received within the interior channel;a cam pivotally coupled to the collar and configured to pivot between a locked position and an unlocked position; anda cam follower assembly comprising a guard member, the cam follower assembly being positioned between the cam and the second end portion of the elongated member, and further being configured to be biased by the cam,wherein when the cam is pivoted into the locked position, the cam biases the cam follower assembly toward the second end portion of the elongated member to apply a locking force to one or more of the first side portion, the second side portion, and the second end portion, thereby preventing the elongated member from adjustably moving along a path defined by the interior channel. 2. The locking assembly according to claim 1, further comprising a wear plate disposed within the interior channel between the elongated member and the sidewall of the collar generally opposite the cam follower assembly, wherein when the cam follower assembly applies the locking force, one or more of the first side portion, the second side portion, and the first end portion bear on the wear plate. 3. The locking assembly according to claim 2, wherein the wear plate comprises one or more tabs and the collar comprises one or more recesses configured to receive the one or more tabs. 4. The locking assembly according to claim 3, wherein the wear plate hangs within the interior channel by the one or more tabs received in the one or more recesses. 5. The locking assembly according to claim 2, wherein the wear plate is generally I-shaped. 6. The locking assembly according to claim 2, wherein the wear plate is contoured to conform to the shape of the elongated member. 7. The locking assembly according to claim 2, wherein the wear plate is bent longitudinally to define a longitudinally extending midsection flanked on a first side by a first flange and flanked on a second side by a second flange. 8. The locking assembly according to claim 7, wherein the first and second flanges are configured to bear against the elongated member and resist rotation of the elongated member within the collar. 9. The locking assembly according to claim 1, wherein the cam comprises a handle having a grip portion and a biasing portion. 10. The locking assembly according to claim 9, wherein the locked position corresponds to the handle being located in its lowest possible position. 11. The locking assembly according to claim 9, wherein the biasing portion comprises a substantially cylindrically shaped cam having an eccentric open-ended channel extending longitudinally therethrough. 12. The locking assembly according to claim 1, wherein the cam follower assembly further comprises a force distribution member. 13. The locking assembly according to claim 12, wherein the cam follower assembly further comprises a mechanical fuse. 14. The locking assembly according to claim 13, wherein the force distribution member comprises a recess to receive the mechanical fuse. 15. The locking assembly according to claim 13, wherein the force distribution member comprises an interior recess that forms a cavity under the mechanical fuse into which the mechanical fuse may bend when pressure is applied to the mechanical fuse. 16. The locking assembly according to claim 13, wherein the mechanical fuse comprises a square plate having a height and width in the range of approximately 0.95 inches to approximately 1.15 inches and a thickness of approximately 0.15 inches. 17. The locking assembly according to claim 12, wherein portions of the guard member are positioned between the force distribution member and the elongated member. 18. A locking assembly comprising: an adjustably moveable elongated member having a generally oblong cross-section with a first end portion opposite a second end portion, each end portion being adjacent to a first side portion and an opposing second side portion;a collar comprising: an interior channel with a generally oblong cross-section, the interior channel defined by a sidewall;a through-hole formed in the sidewall; anda housing formed on the sidewall and constructed to provide a channel-shaped structure around the through-hole,wherein the elongated member is slidlingly received within the interior channel;a cam pivotally coupled to the housing and configured to pivot between a locked position and an unlocked position; anda cam follower assembly comprising a guard member, the cam follower assembly being positioned at least partially within the housing and between the cam and the second end portion of the elongated member, and further being configured to be biased by the cam,wherein when the cam is pivoted into the locked position, the cam biases the cam follower assembly toward the second end portion of the elongated member to apply a locking force to one or more of the first side portion, the second side portion, and the second end portion, thereby preventing the elongated member from adjustably moving along a path defined by the interior channel. 19. The locking assembly according to claim 18, further comprising a connector that pivotally couples the cam to the housing. 20. The locking assembly according to claim 19, wherein the connector comprises an eccentric pivot pin. 21. The locking assembly according to claim 20, wherein the eccentric pivot pin comprises first and second end portions sharing a longitudinal center axis “α” and an eccentric portion with a longitudinal center axis “β,” wherein “α” and “β” are not aligned. 22. The locking assembly according to claim 21, wherein the cam comprises a handle having a grip portion and a biasing portion with an open-ended channel, and wherein the eccentric portion of the eccentric pivot pin is disposed within the open-ended channel in the biasing portion of the handle. 23. The locking assembly according to claim 21, wherein the housing comprises first and second apertures aligned by their centers, and wherein the first and second end portions of the eccentric pivot pin are disposed within the first and second apertures of the housing. 24. The locking assembly according to claim 21, wherein the rotational position of the eccentric pivot pin about longitudinal center axis “α” determines the position of the handle relative to the collar. 25. The locking assembly according to claim 21, wherein the rotational position of the eccentric pivot pin about longitudinal center axis “α” determines the magnitude of force applied by the cam to the cam follower. 26. The locking assembly according to claim 18, wherein the cam follower assembly further comprises a force distribution member. 27. The locking assembly according to claim 26, wherein the cam follower assembly further comprises a mechanical fuse. 28. The locking assembly according to claim 27, wherein the force distribution member comprises a recess to receive the mechanical fuse. 29. The locking assembly according to claim 27, wherein the force distribution member comprises an interior recess that forms a cavity under the mechanical fuse into which the mechanical fuse may bend when pressure is applied to the mechanical fuse. 30. The locking assembly according to claim 27, wherein the mechanical fuse comprises a square plate having a height and width in the range of approximately 0.95 inches to approximately 1.15 inches and a thickness of approximately 0.15 inches. 31. A locking assembly comprising: an adjustably moveable elongated member having a generally oblong cross-section with a first end portion opposite a second end portion, each end portion being adjacent to a first side portion and an opposing second side portion;a collar comprising: an interior channel with a generally oblong cross-section, the interior channel defined by a sidewall;a through-hole formed in the sidewall; anda housing formed on the sidewall and constructed to provide a channel-shaped structure around the through-hole,wherein the elongated member is slidlingly received within the interior channel;a handle comprising a grip portion and a biasing portion pivotally coupled to the housing and configured to pivot between a locked position and an unlocked position; anda cam follower assembly comprising a guard member, the cam follower assembly being positioned at least partially within the housing and between the biasing portion of the handle and the second end portion of the elongated member, and further being configured to be biased by the biasing portion,wherein when the handle is pivoted into the locked position, the biasing portion of the handle biases the cam follower assembly toward the second end portion of the elongated member to apply a locking force to one or more of the first side portion, the second side portion, and the second end portion, thereby preventing the elongated member from adjustably moving along a path defined by the interior channel.
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