Land vehicles – Wheeled – Articulated vehicle
Patent
1988-03-28
1989-05-02
Marmor, Charles A.
Land vehicles
Wheeled
Articulated vehicle
2804161, 414563, B60P 306
Patent
active
048261955
ABSTRACT:
A transverse beam is disposed between and pivotally connected to the rear ends of a pair of load-receiving frame members on a tractor truck. An elongated housing is secured to and depends from the transverse beam. A sleeve is slidably mounted on the housing. A hydraulically actuated ram is mounted in the housing and is operatively connected to the sleeve. A pair of relatively spaced apart elevator arms are pivotally connected at one of their ends to the truck frame members and at intermediate positions to opposite sides of the sleeve, and a hitch mechanism is secured to the ends of the elevator arms outwardly of the sleeve. The hitch mechanism includes a central rotatable portion provided with a ring-shaped hitch and a separable latch projecting outwardly in opposite directions.
REFERENCES:
patent: 3333718 (1967-08-01), Durham
patent: 3413015 (1968-11-01), Fontaine
patent: 3599812 (1971-08-01), Hasstedt et al.
patent: 3697098 (1972-10-01), Fisher
patent: 3715042 (1973-02-01), Rellinger
patent: 3716253 (1973-02-01), Gniffke
patent: 3957167 (1976-05-01), Jacobson et al.
patent: 4340240 (1982-07-01), Anderson
patent: 4611968 (1986-09-01), Casteel
patent: 4640528 (1987-02-01), Boyles et al.
Boyles William C.
Hagge Douglas R.
Johnston C. V.
Cardinal Industries, Inc.
Mar Michael
Marmor Charles A.
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