Pneumatically assisted tractor trailer attachment assembly

Details Pneumatically assisted tractor trailer attachment assembly Pneumatically assisted tractor trailer attachment assembly

2005-04-05

2005-04-05

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S425200, C280S477000

Reexamination Certificate

active

06874803

ABSTRACT:
A gooseneck for connecting a tractor and a trailer for transportation includes a support arm. The support arm has a first end that is pivotally coupled to a fifth wheel of the tractor. The support arm is pivotable to raise and lower a second end of the support arm relative to a tractor bed. A generally downwardly extending portion is coupled to the second end of the support arm for releasably attaching to a forward end of the trailer. A pneumatic assembly is coupled to the support arm. The pneumatic assembly is in communication with the tractor bed to lift and lower the generally downwardly extending portion relative to the tractor bed.

REFERENCES:
patent: 2590181 (1952-03-01), Keesler
patent: 3874696 (1975-04-01), Gardner et al.
patent: 4113274 (1978-09-01), Vahrenkamp
patent: 4219211 (1980-08-01), Sauers
patent: 4513987 (1985-04-01), Whitaker
patent: 5415425 (1995-05-01), Zerbe et al.

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