Trailer cover lift arm

Details Trailer cover lift arm Trailer cover lift arm

1995-04-24

1997-10-28

Pedder, Dennis H.

Land vehicles: bodies and tops

Bodies

Body shell

296100, 292338, 220333, 49193, 49345, 49382, B60P 702, B62D 3304

Patent

active

056810741

ABSTRACT:
A trailer cover lift arm for assisting in opening a trailer cover and supporting the cover in an open position. The lift arm can include four elongate members each member having two ends pivotably coupled to define a member having parallelogram-like shape. First and second elongated gas springs can be disposed within the parallelogram member to assist an operator in opening, and supporting a trailer cover in an open position. The lift arm can be used to two-way tilt open a trailer cover.

REFERENCES:
patent: 2683280 (1954-07-01), Martens
patent: 2751624 (1956-06-01), Lipking
patent: 2963313 (1960-12-01), Bennett
patent: 3051523 (1962-08-01), Boyce-Smith et al.
patent: 3093406 (1963-06-01), Barenyi
patent: 3765716 (1973-10-01), Van Gompel
patent: 3797178 (1974-03-01), Mule
patent: 3923334 (1975-12-01), Key
patent: 4629243 (1986-12-01), Jenson
patent: 4768824 (1988-09-01), Andonian
patent: 4819981 (1989-04-01), Moe et al.
Triton Corporation, Allenton, Wisconsin, brochure copyright 1994.
Eagle Trailers, L & H Manufacturing, Inc., Fairmont, Minnesota, brochure published on or before Apr. 24, 1995.

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