Portable vehicle traction device

Railways: surface track – Electrical connections – Combined rail joint or support

Patent

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Details

152228, 188 4R, E01B 2300

Patent

active

043612776

ABSTRACT:
An improved traction device for assisting vehicles when stuck in sand, snow, bog, or the like, incorporates a rigid plate having opposed upper and lower gripping ribs and an appended chain structure having transverse angle iron pieces spaced lengthwise thereof.

REFERENCES:
patent: 1325575 (1919-12-01), Niewoehner
patent: 1375666 (1921-04-01), Bauer
patent: 1400478 (1921-12-01), Deschamps
patent: 1502123 (1924-07-01), Sall
patent: 1606622 (1926-11-01), Fogarty
patent: 2433545 (1947-12-01), Chartier
patent: 4261510 (1981-04-01), Andrus

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