Wearplate for a coupler shank pinhole

Details Wearplate for a coupler shank pinhole Wearplate for a coupler shank pinhole

1978-03-30

1980-12-02

Frankfort, Charles E.

Railway draft appliances

Cushioned

Drawbars

213 72, B61G 920

Patent

active

042366453

ABSTRACT:
A coupler having a coupler head and a shank which extends from the coupler head and terminates at a butt end adjacent which a pinhole is formed for receiving a pivot pin that is used to pivotally mount the coupler on a railroad car, mine car, etc. A semi-cylindrical recess is formed in the backside of the pinhole closest the butt end of the shank for receiving a matingly configured wearplate that is held captive in the recess between the pivot pin and adjacent butt end of the shank. The wearplate is composed of an ultra high molecular weight polymer.

REFERENCES:
patent: 1542728 (1925-06-01), Regan et al.
patent: 2865691 (1958-12-01), Muller
patent: 2973103 (1961-02-01), Tack
patent: 3587660 (1971-06-01), Dion
patent: 3961689 (1976-06-01), Leskovec
patent: 4055254 (1977-10-01), Chierici
patent: 4120404 (1978-10-01), Chierici et al.
patent: 4133434 (1979-01-01), Chierici

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