Motorized shovel

Details Motorized shovel Motorized shovel

1976-09-15

1978-06-20

Hoffman, Drayton E.

Traversing hoists

Overhead

Cable

212 65, 294 49, B66C 2300

Patent

active

040957527

ABSTRACT:
A motorized shovel comprises a carriage which may be provided with wheels to enable it to negotiate the ground and is formed with an upright pole carrying an arm adapted to overhang the operator. The arm is swingable about a vertical axis to follow the movements of an operator and carries a pneumatic-motor-driven winch drum adapted to pay out and retract a cable depending from the free end of the arm. The cable is anchored to a shovel unit whose handle is provided with a handle bar adapted to be gripped by the operator. Controls on the handle bar regulate the operation of the winch and of a pneumatic vibrator interposed between the handle and the shovel blade. Flexible conduits run along the downwardly extending stretch of the cable to connect the pneumatic controls to the winch.

REFERENCES:
patent: 1728233 (1929-09-01), Edmister
patent: 2974809 (1961-03-01), Sellars et al.
patent: 3065557 (1962-11-01), Pewthers
patent: 3367512 (1968-02-01), Kaplan
patent: 3964182 (1976-06-01), Pomeret et al.

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