Anti-rust structure of an adjust mechanism in a drum brake

Details Anti-rust structure of an adjust mechanism in a drum brake Anti-rust structure of an adjust mechanism in a drum brake

1979-11-26

1982-04-27

Kazenske, Edward R.

Brakes

Wheel

Transversely movable

184 1R, 188 795SC, 411418, F16D 6546

Patent

active

043266070

ABSTRACT:
An anti-rusting structure of an adjust mechanism in a drum brake, which mechanism functions to compensate stroke increasing of the brake system due to wearing of the brake shoes, for preventing production of rust between an adjust bolt and an adjust nut by means of a skillful water proof device by facilitating the greasing between the two members of the adjust mechanism. In a portion of the adjust bolt where external thread (male screw) is formed, at least one lengthwise groove is axially formed, the length of which groove is determined such that the adjust bolt may not be pushed out by compressed air between the two members, even when the adjust bolt is threaded into the adjust nut by a predetermined amount of length, with sufficient grease being spread between the two members.

REFERENCES:
patent: 2645312 (1953-07-01), Chase
patent: 3156323 (1964-11-01), Boyer
patent: 3407903 (1968-10-01), Sansabrino
patent: 4027750 (1977-06-01), Kawamoto et al.
patent: 4051927 (1977-10-01), Karasudani

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