Non-conductive wheel chock

Details Non-conductive wheel chock Non-conductive wheel chock

1993-09-21

1995-04-25

Le, Mark T.

Railways

Car stops

Displaceable chock

B61K 1300

Patent

active

054089344

ABSTRACT:
An electrically non-conductive wheel chock for restraining the movement of a wheel which contains a body, an arm attached to the body extending outwardly and upwardly from the body, and a device for preventing the movement of the wheel check upon the rail. The top portion of the wheel chock body contains a first ramp, a top deck, and a second ramp. The bottom portion of the wheel chock body contains a downwardly-extending leg and an arcuate surface joined to the leg. The body has a compressive modulus of at least about 400,000 pounds per square inch.

REFERENCES:
patent: 1521497 (1924-12-01), Young
patent: 1565801 (1925-12-01), Hewlett
patent: 1789958 (1931-01-01), Crews
patent: 2003747 (1935-06-01), Hester
patent: 2253829 (1941-08-01), Werner
patent: 2771162 (1956-11-01), Marsh

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