Variable speed drive system

Details Variable speed drive system Variable speed drive system

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 35/02 (2006.01) B62D 51/00 (2006.01) F16H 9/12 (2006.01)

Patent

CA 2095663

VARIABLE SPEED DRIVE SYSTEM Abstract of the Disclosure 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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