F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/222
F16H 9/04 (2006.01)
Patent
CA 1116890
ABSTRACT OF THE DISCLOSURE A transmission system is provided for differential speed control. An endless, resilient member in the form of an endless belt is driven by an input pulley. The speed differential is derived by using the input speed taken from one effective radius of the resilient element and picking the output speed from a different effective radius of the resilient element, with the different effec- tive radii being variably selectable. Thus an output pulley has its periphery in contact with the resilient member and a control carriage coupled to the resilient member is operative to vary the curvature of the resilient member with respect to the periphery of the output pulley. In this manner, the neutral axis of the resilient member is varied to control the speed of the surface of the resilient member that is contacting the periphery of the output pulley.
351227
Curran Thomas F.
Meredith & Finlayson
LandOfFree
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