Trailer provided with manoeuvring device

Details Trailer provided with manoeuvring device Trailer provided with manoeuvring device

2007-07-17

2007-07-17

Morris, Lesley D. (Department: 3611)

Motor vehicles

Additional traction wheel

C180S202000, C180S209000

Reexamination Certificate

active

11057066

ABSTRACT:
A trailer provided with a manoeuvring device. The manoeuvring device has a pivoting frame that can be moved with respect to the chassis of a trailer, such as a caravan, and is provided at the end with a roller driven by an electric motor. This roller does not engage on one of the wheels but is itself able to function as a wheel. Lifting of the chassis of the trailer is achieved with the aid of the pivoting frame, as a result of which the existing wheels at least partially lose contact with the ground surface.

REFERENCES:
patent: 1479215 (1924-01-01), Borst, Jr.
patent: 1994855 (1935-03-01), Edwards
patent: 3282365 (1966-11-01), McReynolds
patent: 3439764 (1969-04-01), Kimball
patent: 3705638 (1972-12-01), Shock
patent: 3779328 (1973-12-01), Wollenburg
patent: 4616726 (1986-10-01), Johansson
patent: 2 199 793 (1998-07-01), None

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