Compact torque limiting clutch

Details Compact torque limiting clutch Compact torque limiting clutch

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 13/00 (2006.01) F16D 7/02 (2006.01)

Patent

CA 2073884

ABSTRACT A compact torque limiting clutch provides spring cup bolt assemblies for interengaging a pressure plate and input flange on opposite sides of a friction flange of an output hub. The spring cup assemblies include bolts employed for securing the clutch elements together, such bolts being restricted from rotatingduring the assembly process by engagement with noncircular apertures passing through the retainer plate. The torque limiting clutch is of a pancake design, contained between axially displaced planar surfaces defined by an input flange on one side and a pressure plate on the other. In another embodiment of the invention, a keeper plate is coaxially secured to an output hub, with a friction disc fixedly secured therebetween. An input drive flange is rotatably mounted on the keeper plate. A separator disc extends the full diameter of the clutch assembly and has cup-shaped shields extending therefrom, serving as seals and heat dissipating members. Torque pins pass through a pressure plate which is urged toward the input hub by a plurality of spring cup bolt assemblies, the torque pins serving as indicators of clutch wear.

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