Dual cam surface clutch

Details Dual cam surface clutch Dual cam surface clutch

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 43/20 (2006.01) F16H 9/18 (2006.01) F16H 55/56 (2006.01)

Patent

CA 2434229

The invention relates to a belt-driven clutch system having a driven clutch with a particular arrangement of cam followers and cam slots. One embodiment of the invention is a clutch having a fixed sheave, a movable sheave and a housing mounted to the movable sheave. The housing has a cam slot with first and second cam surfaces. The clutch also includes a pair of cam followers that is secured to the fixed sheave for acting upon the cam surfaces of the cam slat. A first cam follower of the pair of cam followers acts upon a first cam surface of the cam slot and a second cam follower of the pair of cam followers acts upon the second cam surface of the cam slot to reduce backlash and provide more responsive operation. The invention also provides adjustment of spring tension and belt width without requiring removal or disassembly of the clutch.

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