Railway friction wheel

Details Railway friction wheel Railway friction wheel

1982-03-24

1984-02-14

Reeves, Robert B.

Railway wheels and axles

Wheels

Wheel tread

104 1A, 105 73, 295 7, 295 31R, B60B 1700, B60B 3900, B61C 1508

Patent

active

044312270

ABSTRACT:
Method and device for enhancing the adhesion qualities of vehicle wheels through the use of a plurality of embedded members having exposed high frictional surfaces, which are capable of automatically being caused to attain frictional contact with a wheel bearing surface in response to slippage. Under normal conditions where enhanced friction is not needed, the embedded members lie in a relative retracted position from which they may respond to slippage conditions as needed.

REFERENCES:
patent: 257523 (1982-05-01), Snyder et al.
patent: 489496 (1893-01-01), Parmelee
patent: 781572 (1905-01-01), Todd
patent: 870163 (1907-11-01), Glasscock
patent: 1253722 (1918-01-01), Priel
patent: 1336149 (1920-04-01), Nelson et al.
patent: 1522332 (1925-01-01), Schmitz
patent: 1797545 (1931-03-01), Churcher
patent: 2034816 (1936-03-01), Huguenin
patent: 2190142 (1940-02-01), Ansel
patent: 2877716 (1959-03-01), Ryznar
patent: 3120255 (1964-02-01), Coppola
patent: 3174804 (1965-03-01), Podger
patent: 3913982 (1975-10-01), Brewer
patent: 4119132 (1978-10-01), Ries
patent: 4310191 (1982-01-01), Halldin

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