Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1991-02-19
1993-01-05
Pedder, Dennis H.
Material or article handling
Self-loading or unloading vehicles
With load-receiving portion, or significant section thereof,...
414545, 296 51, 296 59, 298 23MD, 298 23S, B60P 146, B62D 33033
Patent
active
051764865
ABSTRACT:
A dump truck body has a bed and side walls defining a rear opening which is closed by a tailgate and loader unit removably attached to adaptor brackets inserted into the side walls. The unit includes a U-shaped frame supporting extendable tracks which carry a vertical tailgate supported for pivotal movement to form a horizontal platform. The frame also encloses two pairs of oppositely directed hydraulic cylinders which move the tracks, and a cam mechanism is shifted into alignment to pivot the tailgate between horizontal and vertical positions in response to movement of the tracks. The entire unit is pivotally supported by the adaptor brackets to pivot from the truck body when the body is inclined for dumping or when a pair of hydraulic cylinders are actuated.
REFERENCES:
patent: Re31157 (1983-02-01), Perkins
patent: 2239029 (1941-04-01), Barrett
patent: 3035720 (1962-05-01), Selzer
patent: 3174634 (1965-03-01), Peck
patent: 3490631 (1970-01-01), Smith
patent: 3860288 (1975-01-01), Martin et al.
patent: 4993908 (1991-02-01), Park
Del America Corporation Brochure, 1986, "Dump14 Thru Tailgate".
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