Hydraulic cylinder assemblies

Details Hydraulic cylinder assemblies Hydraulic cylinder assemblies

1984-03-29

1985-08-27

Halvosa, George E. A.

Brakes

Position adjusters

Slack

92 138, 92 62, 92 75, 92131, 188 795GE, 188326, 188364, 192 85AT, 192111A, F16D 6556

Patent

active

045372934

ABSTRACT:
A drum brake hydraulic wheel cylinder assembly comprises a pair of piston assemblies and an abutment member. The piston assemblies are of the kind comprising an adjustable variable length tappet assembly having interengaged screw-threaded components. To enable thrust to be transmitted from one adjacent brake shoe to the other, i.e. for parking purposes, the abutment member is slidable in the cylinder bore against a spring centering device.

REFERENCES:
patent: 2130875 (1938-09-01), Colman
patent: 2190228 (1940-02-01), Bowen
patent: 2275722 (1942-03-01), Bowen
patent: 2424233 (1947-07-01), Greenough
patent: 3360085 (1967-12-01), Belart
patent: 3532193 (1970-10-01), Kaiser
patent: 3610374 (1971-10-01), Troyes
patent: 3811538 (1974-05-01), Farr
patent: 3822003 (1974-07-01), Prange et al.
patent: 3838757 (1974-10-01), Farr
patent: 4301897 (1981-11-01), Cox, Jr.
patent: 4369863 (1983-01-01), Farr et al.

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