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PCE
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DIFF Subgroup
F16D 25/064

the friction surface being grooved

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Fluid-actuated clutches > in which the fluid actuates a piston incorporated in the clutch > the clutch having friction surfaces > with clutch members exclusively moving axially > the friction surface being grooved

CPC:

Fluid-actuated clutches > in which the fluid actuates a piston incorporated in, the clutch (F16D25/02 takes precedence) > the clutch having friction surfaces > with clutch members exclusively moving axially > the friction surface being grooved

No child classifications to compare. This is a leaf node in both IPC and CPC.