Motor vehicles – Steered by walking attendant – Handle movement controls vehicle drive
Patent
1993-02-04
1995-01-03
Hill, Mitchell J.
Motor vehicles
Steered by walking attendant
Handle movement controls vehicle drive
180 191, 474 8, 474 14, B62D 5104
Patent
active
053777743
ABSTRACT:
A variable speed drive system for use with a self-propelled device is coupled by a belt to an engine which is mounted to the device. The variable speed drive system includes a variable pitch pulley held in spaced-apart relation to the drive shaft by a fixture and rotates about the drive shaft between a first position proximal to the engine and a second position distal to the engine. In the first position, the drive system is disengaged from the engine and the speed of the self-propelled device is zero, the belt being slack and providing no drive force to the drive system. In the second position, the drive system is moved a maximum amount about the drive shaft and is positioned to achieve a maximum speed. The drive system can also assume any intermediate position between the first and second positions, with the speed of the self-propelled device being determined by the amount of movement about the drive shaft toward the second position. A speed control lever and a control cable assembly are included for limiting the amount of movement of the drive system about the drive shaft to control the speed of the self-propelled device
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Hill Mitchell J.
Hoffco Inc.
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