Material or article handling – Vertically swinging load support
Patent
1977-11-25
1980-01-22
Kunin, Stephen G.
Material or article handling
Vertically swinging load support
251305, 414572, 414683, B66F 900
Patent
active
041848020
ABSTRACT:
A truck vehicle carried boom and hopper system for lifting, transporting, and depositing a load of particulate material such as powder, granules or seeds into storage bins in material dispensing aicraft, including a hopper boom framework having spaced apart side bars pivotally mounted on the side bars on the front end of the vehicle mounted support structure. An extensible piston-cylinder hydraulic motor system is utilized to obtain various pivotal positions of the hopper boom. A manual hopper control valve is located in the bottom of the hopper, the hopper is pivotally mounted on a horizontal axis on the extended end of the boom and a safety bar is secured to a mid-portion of the boom to enable a safety block when the boom is in the aircraft loading position. Between the boom pivotal mounting on the truck frame and the truck frame is a trussed frame support construction which enables rigid pivotal support of the boom and hopper. An auxiliary hydraulic control cylinder is connected in an extensible brace link to the pivoted hopper to control its tilt position relative to the ground in whichever position the boom is placed.
REFERENCES:
patent: 2946553 (1960-07-01), Adam
patent: 3672724 (1972-06-01), Neuzil
patent: 3813124 (1974-05-01), Roland
Planemate Hydro Loader; published by Mid-Continent Planemate Support Systems of Hayti, Mo. in Jan., 1976.
Cook Richard J.
Reade Richard
Abraham George F.
Kunin Stephen G.
Mid-Continent Aircraft Corporation
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