Fifth wheel slip plate

Details Fifth wheel slip plate Fifth wheel slip plate

1994-04-07

1995-07-11

Focarino, Margaret A.

Land vehicles

Wheeled

Articulated vehicle

384421, B62D 5308, F16C 1704

Patent

active

054314240

ABSTRACT:
A fifth wheel slip plate is described, in which plastic inserts are used in the plastic slip plate instead of metal skip plates, and in which a composite plastic material is used for outer lateral portions of the slip plate. The plastic of the insert, preferably nylon, is substantially harder than the plastic of the slip plate, which is preferably ultra high molecular weight polyethylene. The harder plastic insert therefore does not compress as much as the slip plate, and therefore absorbs the primary impact during the coupling operation. The composite material outer portions absorb much of the impact damage, without the undesirable friction which metal would produce, and they are relatively simple to replace, without need to replace the whole slip plate.

REFERENCES:
patent: 3924909 (1975-12-01), Kent et al.
patent: 4169635 (1979-10-01), Szalay et al.
patent: 4542912 (1985-09-01), St. Louis
patent: 4752081 (1988-06-01), Reeners et al.
patent: 5165713 (1992-11-01), Picard
patent: 5165714 (1992-11-01), Kaim
patent: 5263856 (1993-11-01), Huehn et al.

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