Helical spring clutch

Details Helical spring clutch Helical spring clutch

F - Mech Eng,Light,Heat,Weapons

16

D

192/27

F16D 13/04 (2006.01) F16D 13/02 (2006.01)

Patent

CA 1084859

ABSTRACT OF THE DISCLOSURE A normally disengaged helical spring clutch in which a connection between the control sleeve and the endmost one of the coils of the spring that encircle the hub of the driven element prevents that endmost coil from contacting any part of the driven element when the clutch is disengaged, and in which a reduction in diameter of the end portion of the hub of the driving element brings about a more effective torque transmitting connection between the driving and driven elements when the clutch is engaged and, by the same token, increases the shape-restoring force in the coils of the spring that encircle the contiguous end portions of the hubs, and thereby assures rapid and positive disengagement of the spring from the hub of the driven element. * * * *

303392

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