[특허]Apparatus for controlling the rotational speed of a wheel of a skateboard, skate or similar wheeled device

Larock, Jason Mathew

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특허 상세정보

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Apparatus for controlling the rotational speed of a wheel of a skateboard, skate or similar wheeled device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63C-017/14 F16D-063/00
미국특허분류(USC)	188/001.12; 280/011.205; 188/083
출원번호	US-0788014 (2013-03-07)
등록번호	US-8978835 (2015-03-17)
발명자 / 주소	Larock, Jason Mathew
출원인 / 주소	Larock, Jason Mathew
대리인 / 주소	Lampe, Thomas R.
인용정보	피인용 횟수 : 1 인용 특허 : 5

초록

Apparatus for controlling the rotational speed of a wheel of a skateboard or other similar wheeled device includes a lug adapter projecting away from a wheel axle, a wheel contact member for engaging the wheel face, wheel contact member engagement structure applying a frictional force to the wheel contact member and manually operable control structure to vary the magnitude of the frictional force.

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1. An apparatus for controlling the rotational speed of a wheel supported by an axle of a wheeled device in the form of a skateboard or roller skate, said apparatus for controlling the rotational speed of the wheel during use of the wheeled device and comprising, in combination: a lug adapter connected to the axle, said lug adapter projecting outwardly from the axle and away from the wheel rotatable about said axle, said wheel having a wheel face;a wheel contact member rotatably mounted on said lug adapter for engaging said wheel face and rotating with said wheel;a wheel contact member engagement structure mounted on said lug adapter for applying a frictional force to said wheel contact member resisting rotational movement of said wheel contact member and said wheel when said wheel contact member engages said wheel; anda manually operable control structure in operative association with said wheel contact member engagement structure to selectively vary the magnitude of the frictional force applied to said wheel contact member by said wheel contact member engagement structure, said manually operable control structure including a hand knob assembly manually movable relative to said lug adapter and relative to said wheel contact member to selectively either increase or decrease the magnitude of frictional force applied to said wheel contact member by said wheel contact member engagement structure, said hand knob assembly including a rotatable hand knob threadedly engaged with said lug adapter and rotatable relative to said lug adapter about an axis of rotation concentric with the longitudinal axis of said lug adapter and wherein said apparatus includes a dial housing connected to said lug adapter and fixed against rotation relative to said lug adapter, and rotation of said rotatable hand knob in a predetermined direction being operable to move said dial housing along said lug adapter in the direction of said wheel contact member, said dial housing and said wheel contact member defining an interior space therebetween. 2. The apparatus according to claim 1 wherein said wheel contact member has a disc configuration having a central opening receiving said lug adapter and allowing rotation thereof about said lug adapter, said lug adapter threadedly attached to the distal end of said axle. 3. The apparatus according to claim 2 wherein said lug adapter includes a wrench engagement area to facilitate attachment of said lug adapter to said axle or detachment of said lug adapter from said axle. 4. The apparatus according to claim 2 wherein said lug adapter includes an internal lug adapter thread engageable with an outer thread on the distal end of said axle and an external lug adapter thread. 5. The apparatus according to claim 1 wherein said hand knob assembly additionally includes an indexing mechanism for indicating to a user the magnitude of frictional force applied to said wheel contact member by said wheel member engagement structure caused by movement of said hand knob relative to said dial housing. 6. The apparatus according to claim 5 wherein said indexing mechanism includes balls and also includes ball detents formed by said dial housing for receiving said balls. 7. The apparatus according to claim 6 wherein said balls are spring biased ball bearings. 8. The apparatus according to claim 1 wherein said manually operable control structure additionally comprises a compressible cushion formed of resilient material located in the interior space between said dial housing and said wheel contact member about said lug adapter, said cushion located in a counterbore formed by said wheel contact member and expanding outwardly within said counterbore responsive to compression thereof due to movement of said dial housing toward said wheel contact member, the outward expansion of said cushion forming a tighter engagement with said wheel contact member, and the cushion spins about the lug adapter with the wheel contact member. 9. The apparatus according to claim 8 wherein said manually operable control structure additionally comprises a cushion engagement washer disposed about said lug adapter and slidably and rotatably mounted on said lug adapter, said cushion engagement washer engaging a side of said cushion and causing outward expansion of said cushion during compression of said cushion, said cushion engagement washer spinning with said cushion and with said wheel contact member when said cushion is compressed. 10. The apparatus according to claim 9 wherein said cushion engagement washer has an outer diameter smaller than the outer diameter of said cushion. 11. The apparatus according to claim 9 including a slip washer disposed on said lug adapter between said cushion engagement washer and a third washer on said lug adapter, said slip washer slipping and spinning between said cushion engagement washer and said third washer when no force is being applied thereto by said hand knob assembly. 12. The apparatus according to claim 11 wherein said slip washer is operable to gradually become binded to both said cushion engagement washer and to said third washer during tightening by said hand knob assembly due to compression of said cushion. 13. The apparatus according to claim 12 wherein said wheel contact member is out of engagement with said wheel when no force is being applied by said slip washer by said hand knob assembly and moved into engagement with said wheel during tightening by said hand knob assembly. 14. The apparatus according to claim 12 including a compression limiting structure to for limiting compression of said cushion. 15. The apparatus according to claim 1 wherein said wheel contact member has a disc configuration and a wheel engaging surface having grooves.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 (1)

Brooks, Paul, Dual wheel assemblies for skateboards and related methods.

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Apparatus for controlling the rotational speed of a wheel of a skateboard, skate or similar wheeled device

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Apparatus for controlling the rotational speed of a wheel of a skateboard, skate or similar wheeled device

초록

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이 특허에 인용된 특허 (5)

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