Articulating clam type grapple for a backhoe

Details Articulating clam type grapple for a backhoe Articulating clam type grapple for a backhoe

1983-09-01

1985-09-24

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

37186, 294 6823, 414739, B66C 316

Patent

active

045429294

ABSTRACT:
Articulating clam-type grapple for a backhoe which includes a mounting head member for connecting to the backhoe dipper stick and tool cylinder. A grapple mounting assembly is pivotally attached to the head mechanism which enables both grapple jaws to be moved to open and closed positions. The mounting assembly includes a hydraulic motor and gear box combination for rotating the grapple such that the grapple and the jaws thereof are positively controlled in all directions of movement.

REFERENCES:
patent: 3413029 (1968-11-01), Donovan
patent: 3759564 (1973-09-01), Seaberg
patent: 3877743 (1975-04-01), Johnson
patent: 3914886 (1975-10-01), Berg et al.
patent: 3920137 (1975-11-01), McCain
patent: 3966249 (1976-06-01), Lindqvist
patent: 4426110 (1984-01-01), Mitchell et al.

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