Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Conveyor shiftably mounted on vehicle
Patent
1991-11-04
1992-11-24
Dayoan, D. Glenn
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Conveyor shiftably mounted on vehicle
1988615, B65G 4100
Patent
active
051655128
ABSTRACT:
A portable conveyor having a pair of rear wheels which support the lower end of the conveyor and a pair of caster wheels are spaced forwardly from the rear wheels and are carried by a horizontal axle. An adjustable linkage interconnects the axle and the conveyor and a drive mechanism is operably connected to the linkage and acts to vary the angularity of the linkage and thus change the inclination of the conveyor. The drive mechanism includes a lead screw which is threaded to a nut that is operably connected to the conveyor. The lead screw carries a worm gear which is engaged with a worm that is journalled for rotation in a thrust bar housing attached to the linkage. A driven shaft is connected to the worm and is constructed to be connected to the drive shaft of a reversible, power-operated hand drill. Operation of the high speed drill acting through the worm gear and screw system will rapidly raise and lower the conveyor.
REFERENCES:
patent: 1530564 (1925-02-01), Lemmon
patent: 2519478 (1950-08-01), King
patent: 4526265 (1985-07-01), Enns
patent: 4739868 (1988-04-01), Head
patent: 4955955 (1990-09-01), Driear
Dayoan D. Glenn
Sawyer Robert D.
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