Material or article handling – Self-loading or unloading vehicles – With load-receiving portion – or significant section thereof,...
Patent
1989-05-15
1991-02-19
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 23MO, 298 23S, B60P 146, B62D 33033
Patent
active
049939084
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.
REFERENCES:
patent: Re31157 (1983-02-01), Perkins
patent: 2706565 (1955-04-01), Krasno
patent: 2850187 (1958-09-01), Roberts
patent: 3024926 (1962-03-01), Nolden
patent: 3174634 (1965-03-01), Peck
patent: 4007844 (1977-02-01), Perkins
patent: 4198818 (1980-04-01), Perkins
patent: 4563121 (1986-01-01), Drews
Del America Corporation Brochure, 1986, "Dump Thru Tailgate".
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