Metal working – Means to assemble or disassemble – Brake lining to brake shoe
Patent
1993-12-08
1995-09-12
Watson, Robert C.
Metal working
Means to assemble or disassemble
Brake lining to brake shoe
29278, 29227, 811242, B23D 1518
Patent
active
054488133
ABSTRACT:
This invention relates to a retainer-pin tool for removably mounting the brake shoe of an automotive brake to the brake backing plate where the retainer-pin tool has radially and oppositely spaced internal keyway slots which are preferably orthogonal to each other and which extend at least in part in an axial direction and have openings in the transverse plane which defines the engagement end of the tool. The keyway slots have parallel sidewalls extending at least in part axially and are bounded radially by the axially extending outer peripheral surface of the tool. The sidewalls have a transition taper at the engagement end of the tool such that the transverse width of the keyway slots is greatest in the engagement surface. The engagement end of the tool has a truncated surface chamfer region which is pf sufficient smoothness to permit slideable bearing engagement between the tool and the retainer nut.
REFERENCES:
patent: 342824 (1886-06-01), Clark
patent: 1717241 (1929-06-01), Moritsky
patent: 2422549 (1947-06-01), Hogin
patent: 3190250 (1965-06-01), Hinden
patent: 5012624 (1991-05-01), Dahlgren
Gotha Frederick
Watson Robert C.
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