Shot-peened diaphragm clutch spring

Details Shot-peened diaphragm clutch spring Shot-peened diaphragm clutch spring

1975-09-19

1976-08-31

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Operators

267161, F16D 1344

Patent

active

039775046

ABSTRACT:
This invention relates to a diaphragm spring serving as a clutch spring for applying engaging force to the clutch, in which a shot-peened layer is provided only on a concave rear surface of said diaphragm spring, especially only on a surface of the pressure plate side of a peripheral annulus which is subjected to tensile stress in engaging the clutch. According to this invention, an early decrease (yielding) in spring force of said diaphragm spring can be avoided.

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