Mount for chain driven sprocket and chain powered scooter
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63C-017/12
A63C-017/00
출원번호
US-0860896
(2004-06-03)
발명자
/ 주소
Robbins,Jim
출원인 / 주소
Patmont Motor Werks Inc.
대리인 / 주소
Townsend and Townsend and Crew LLP
인용정보
피인용 횟수 :
3인용 특허 :
13
초록▼
An improved motor mount adjustably tensions the chain in a chain and sprocket driven vehicle. The vehicle has a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel. A motor is mounted to the frame and has a driving sprocket a
An improved motor mount adjustably tensions the chain in a chain and sprocket driven vehicle. The vehicle has a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel. A motor is mounted to the frame and has a driving sprocket at a motor sprocket rotation point on the motor. The driving sprocket is disposed in a plane including the driven sprocket, and powers a chain. An improved mount for mounting the motor from the frame relative to the driven sprocket includes a motor mount for fastening to the engine for disposing the driving sprocket from the engine overlying the driven sprocket powering the driven wheel. A motor mount pivot is provided on the motor mount for pivoting the driving sprocket along the plane including the chain and driven sprocket. A keeper slot is configured within the motor mount, the keeper slot being coaxial about the pivot to enable a keeper to slide relative to the keeper slot during pivot of the motor mount.
대표청구항▼
What is claimed is: 1. In a vehicle having, a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel rotating with the wheel from the wheel rotation point on the frame, a motor mounted to the frame, a driving sprocket mounted t
What is claimed is: 1. In a vehicle having, a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel rotating with the wheel from the wheel rotation point on the frame, a motor mounted to the frame, a driving sprocket mounted to a motor sprocket rotation point and powered for driving rotation, the driving sprocket disposed in a plane including the driven sprocket, and a chain within the plane including the driving sprocket powered, the driven sprocket for driving the driven wheel, an improved mount for mounting the motor from the frame relative to the driven sprocket comprising: a motor mount for fastening to the motor for disposing the driving sprocket from the motor overlying the driven sprocket powering the driven wheel; a motor mount pivot on the motor mount for pivoting the driving sprocket along the plane including the chain and driven sprocket; a keeper slot mounted to the motor mount, the keeper slot coaxial about the pivot to enable a keeper to slide relative to the keeper slot during pivot of the motor mount about the motor mount pivot; a motor mount pivot point on the vehicle frame for permitting the motor mount to be pivotally mounted to the frame, whereby upon pivot of the motor mount with respect to the frame the distance between the wheel rotation point on the frame and the motor rotation point on the motor changes to correspondingly change tension within the chain; the chain dimensioned to maintain the motor mount pivot point offset with respect to a line between the wheel rotation point on the frame and the motor rotation point on the motor; a keeper mounted to the frame for adjustably locking the keeper slot of the motor mount at a constant angle relative to the frame pivot point to inhibit keeper and/or motor movement, whereby chain tension is adjustable through pivot of the motor mount at the motor mount a pivot relative to the driven sprocket to change the distance between the driving sprocket of the motor and the driven sprocket at the wheel bar. 2. The vehicle according to claim 1 and wherein: the motor mount pivot point on the frame includes paired spaced apart flanges; and, the keeper mounted to the frame for adjustably locking the keeper slot extends between the paired spaced apart flanges offset from the motor mount pivot point. 3. The vehicle according to claim 1 and wherein: the motor mount includes a chain guard extending over the driving sprocket. 4. The vehicle according to claim 1 and wherein: the motor mount includes relieving apertures for reducing the weight of the motor mount. 5. The vehicle according to claim 1 and wherein: the motor mount includes a plurality of apertures for mounting to the motor at through bolts and a central aperture to permit a driving shaft of a motor to extend through the motor mount and power the driven sprocket. 6. In a scooter having, a frame supporting a rider platform, a front steered wheel mounted to the frame, the frame defining a horizontally offset rear portion for cantilever mounting of a rear driven wheel; a rear driven wheel rotating from a wheel rotation point on the offset rear portion of the frame, a driven sprocket driving the driven wheel rotating with the wheel from the wheel rotation point on the frame, a motor mounted to the frame, a driving sprocket mounted to a motor sprocket rotation point and powered for driving rotation, the driving sprocket disposed in a plane including the driven sprocket, and a chain within the plane including the driving sprocket powered, the driven sprocket for driving the driven wheel, an improved mount for mounting the motor from the frame relative to the driven sprocket comprising: a motor mount for fastening to the motor for disposing the driving sprocket from the motor overlying the driven sprocket powering the driven wheel; a motor mount pivot on the motor mount for pivoting the driving sprocket along the plane including the chain and driven sprocket; a keeper slot mounted to the motor mount, the keeper slot coaxial about the pivot to enable a keeper to slide relative to the keeper slot during pivot of the motor mount about the motor mount pivot; a motor mount pivot point on the vehicle frame for permitting the motor mount to be pivotally mounted to the frame, whereby upon pivot of the motor mount with respect to the frame the distance between the wheel rotation point on the frame and the motor rotation point on the motor changes to correspondingly change tension within the chain; the chain dimensioned to maintain the motor mount pivot point offset with respect to a line between the wheel rotation point on the frame and the motor rotation point on the motor; a keeper mounted to the frame for adjustably locking the keeper slot of the motor mount at a constant angle will relative to the frame pivot point to inhibit motor movement, whereby chain tension is adjustable through pivot of the motor mount at the motor mount a pivot relative to the driven sprocket to change the distance between the driving sprocket of the motor and the driven sprocket at the wheel. 7. The scooter in accordance with claim 6 and wherein: the cantilevered wheel is mounted behind the frame supporting the rider platform. 8. The scooter in accordance with claim 6 and wherein: the keeper includes an over center actuator for compressing the motor mount on the frame to angularly lock the motor mount with respect to the frame. 9. The scooter in accordance with claim 6 and wherein: the motor mount to the motor mount at one side with the mass of the motor overlying the offset portion of the frame and the driving sprocket extending from the motor mount at an opposite side. 10. In a scooter having, a frame supporting a rider platform, a front steered wheel mounted to the frame, the frame defining a horizontally offset rear portion for cantilever mounting of a rear driven wheel; a rear driven wheel rotating from a wheel rotation point on the offset rear portion of the frame, a driven sprocket driving the driven wheel rotating with the wheel from the wheel rotation point on the frame, a motor mounted to the frame, a driving sprocket mounted to a motor sprocket rotation point and powered for driving rotation, the driving sprocket disposed in a plane including the driven sprocket, and a chain within the plane including the driving sprocket powered, the driven sprocket for driving the driven wheel, a process of adjusting chain tension between the driving sprocket and the driven sprocket comprising the steps of: providing a motor mount for fastening to the motor for disposing the driving sprocket from the motor overlying the driven sprocket powering the driven wheel; providing a motor mount pivot on the motor mount for pivoting the driving sprocket along the plane including the chain and driven sprocket; providing a keeper slot mounted to the motor mount, the keeper slot coaxial about the pivot to enable a keeper to slide relative to the keeper slot during pivot of the motor mount about the motor mount pivot; pivoting the motor mount at a pivot point on the vehicle frame for permitting the motor mount to be pivotally mounted to the frame, whereby upon pivot of the motor mount with respect to the frame the distance between the wheel rotation point on the frame and the motor rotation point on the motor changes to correspondingly change tension within the chain; providing a chain dimensioned to maintain the motor mount pivot point offset with respect to a line between the wheel rotation point on the frame and the motor rotation point on the motor; providing a keeper mounted to the frame for adjustably locking the keeper slot of the motor mount at a constant angle will relative to the frame pivot point to inhibit motor movement; adjusting chain tension through pivot of the motor mount at the motor mount a pivot relative to the driven sprocket to change the distance between the driving sprocket of the motor and the driven sprocket at the wheel; and, locking the keeper to maintain the motor mount pivot with adjusted tension on the chain. 11. The process of adjusting chain tension between the driving sprocket and the driven sprocket of a scooter according to claim 10 comprising the further steps of maintaining the steered wheel and the driven wheel in contact with the ground while adjusting the chain tension.
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이 특허에 인용된 특허 (13)
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