Edge-relieved cam break roller

Details Edge-relieved cam break roller Edge-relieved cam break roller

1996-08-13

1999-11-30

Oberleitner, Robert J.

Brakes

Wheel

Transversely movable

F16D 5122

Patent

active

059925868

ABSTRACT:
An improved roller for a cam actuated brake system includes rounded edges for contacting the cam. In the prior art, a sharp edge was sometimes damaged when force inequalities were applied from the shoe to the roller. The present invention rounded edges ensure that when there are force inequalities, the contact between the rollers and the cam is over a relatively great surface, and is less likely to damage the roller.

REFERENCES:
patent: 3196987 (1965-07-01), Moore et al.
patent: 3275103 (1966-09-01), Lyon
patent: 3368648 (1968-02-01), Brownyer
patent: 3469660 (1969-09-01), Mathers
patent: 4503953 (1985-03-01), Majewski
patent: 4807729 (1989-02-01), Sampson
patent: 4932505 (1990-06-01), Epperly
patent: 5255763 (1993-10-01), Redgrave et al.
patent: 5531137 (1996-07-01), Guilford
patent: 5638928 (1997-06-01), Wemple

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