Damping railway truck bolster friction shoe

Details Damping railway truck bolster friction shoe Damping railway truck bolster friction shoe

1976-09-02

1978-04-18

Hoffman, Drayton E.

Railway rolling stock

Trucks

Bogie

105206R, B61F 506, B61F 512, B61F 550, F16D 6504

Patent

active

040845141

ABSTRACT:
A friction member for use in the bolster pocket of a stabilized railroad car truck has a slanted friction surface adapted to bear against the bolster within the bolster pocket and a vertical friction surface adapted to bear against the side frame. The slanted friction surface has a generally flat portion at the lower end thereof and a generally arcuate portion at the upper end thereof. The two portions of the slanted friction surface are tangent, one to another, with the point of tangency being located so as to insure full contact between the vertical friction surface and the adjacent side frame.

REFERENCES:
patent: 2723630 (1955-11-01), Settles
patent: 3575117 (1971-04-01), Tack
patent: 3654871 (1972-04-01), Wallace
patent: 3851595 (1974-12-01), Clasen

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