Overrunning drum having an amplifying device

Details Overrunning drum having an amplifying device Overrunning drum having an amplifying device

1980-04-03

1982-12-14

Kazenske, Edward R.

Brakes

Wheel

Transversely movable

188342, 188136, F16D 5160

Patent

active

043633862

ABSTRACT:
A wheel brake, particularly an overrunning wheel brake comprising a brake drum, first and second brake shoes movable in forward and rearward directions, amplifying formations arranged to cooperate with the first brake shoe and to amplify a force with which the first brake shoe is pressed against the brake drum, a displacing element for displacing the first brake shoe in the forward direction and thereby pressing the same against the brake drum with amplified pressure force, and an urging projection provided on the first brake shoe and arranged so that when the first brake shoe is displaced in the rearward direction, the projection displaces the second brake shoe which acts upon the amplifying formations and thereby the first brake shoe is again pressed against the brake drum with the amplified pressure force.

REFERENCES:
patent: 1873389 (1932-08-01), Gunn
patent: 2251854 (1941-08-01), Parnell et al.
patent: 3563348 (1971-02-01), Frost

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