Tread brake unit

Details Tread brake unit Tread brake unit

1989-08-17

1991-02-19

Butler, Douglas C.

Brakes

Position adjusters

Slack

92140, 188 75, 188153R, 188198, F16D 6556

Patent

active

049935216

ABSTRACT:
A tread brake unit including a spring actuated compensating mechanism for maintaining the brake unit piston stroke constant. A roller associated with the compensating mechanism is adapted to ride along an operating surface of a lever arm that rotates according to the degree of piston stroke. The profile of this operating surface regulates the roller movement to prevent the stressing of operating springs in the compensating mechanism from exceeding a maximum value corresponding to their fatigue limit.

REFERENCES:
patent: 2940553 (1960-06-01), Newell et al.
patent: 3017960 (1962-01-01), Hursen et al.
patent: 3131788 (1964-05-01), Newell
patent: 3707208 (1972-12-01), Kyllonen
patent: 4607729 (1986-08-01), Staltmeir et al.
patent: 4909360 (1990-03-01), Langley

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