Traction devices for towed vehicles

Land vehicles – Wheeled propelled

Patent

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Details

192 50, B60K 900

Patent

active

042277060

ABSTRACT:
A traction device for caravans or trailers which is manually operated and includes a ratchet interconnection between the ground engageable wheel or wheels and a lever arm that is used to provide both a drive and a steering of the ground engageable wheels. In the case of two wheels ground engaging both the drive coupling and the general support is such that the wheels are differentially driveable and rotatable one with respect to the other.

REFERENCES:
patent: 2531819 (1950-11-01), Lewis
patent: 3269740 (1966-08-01), Hutchinson
patent: 3549161 (1970-12-01), Pusztay
patent: 3738672 (1973-06-01), Dalton
patent: 3937479 (1976-02-01), Dalton

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