Tread brake unit

Details Tread brake unit Tread brake unit

1997-11-25

1999-07-20

Butler, Douglas C.

Brakes

Operators

Fluid pressure

188 74, 188217, F16D 6514, B60T 1110

Patent

active

059245271

ABSTRACT:
A tread brake unit for applying a brake block (3) against the tread of a rail vehicle wheel comprises a pneumatic cylinder (1) having a piston (9) with a piston rod (11). A block holder (2) for the brake block is pivotably connected to the piston rod by a pivot sleeve (19) rotatably attached in the end of the piston rod facing the block holder, which is provided with a circular surface (25) for engagement with the pivot sleeve, a structure (20, 22, 23) being provided for keeping the block holder connected to the pivot sleeve.

REFERENCES:
patent: 3205980 (1965-09-01), Kettering et al.
patent: 3572475 (1971-03-01), Persson et al.
patent: 4287968 (1981-09-01), Stensson et al.
patent: 5242037 (1993-09-01), Stjarne
patent: 5277280 (1994-01-01), Stjarne
patent: 5799757 (1998-09-01), Akamatsu et al.

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