Friction clutch for power driven element such as a rotary blade

Details Friction clutch for power driven element such as a rotary blade Friction clutch for power driven element such as a rotary blade

1974-10-01

1976-03-16

Scott, Samuel

192 clutches and power-stop control

Elements

Wear compensators

64 29, 192109A, 64 30D, F16D 702

Patent

active

039437299

ABSTRACT:
A friction clutch for a power driven element such as a rotary blade in which the element is seated on a drive shaft having a flange and an adjacent thread having an associated nut. Adjacent the driven element is a washer assembly which includes a rubber washer and a Bellville washer having its concave side faced toward the rubber washer so as to develop frictional clutching force between the shaft and the power driven element as the nut is tightened, the concavity of the Bellville washer serving to confine the rubber washer against radial expansion and the rubber washer, by its confinement, serving to prevent collapse of the Bellville washer upon severe tightening of the nut.

REFERENCES:
patent: 2862376 (1958-12-01), Thelander
patent: 3091951 (1963-06-01), Onyskin
patent: 3157978 (1964-11-01), McMullen
patent: 3832908 (1974-09-01), Brewster

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