Backhoe grapple assembly

Details Backhoe grapple assembly Backhoe grapple assembly

1979-09-17

1981-02-03

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

294106, 414739, B66C 316

Patent

active

042484715

ABSTRACT:
An arcuate-shaped upper jaw is pivotally attached near its inner end to the outer end of the stick member extending from the boom assembly of a backhoe, and an arcuate-shaped lower jaw is pivotally connected to the inner end of the upper jaw, the lower jaw further being pivotally connected by means of a rod or a hydraulic cylinder to the underside of the stick member. A double-acting hydraulic cylinder disposed on the stick member causes movement of the upper jaw, which thereby effects movement of the lower jaw, such that the jaws can be moved together for clamping or apart for a raking operation by the lower jaw.

REFERENCES:
patent: 3125234 (1964-03-01), Gustine
patent: 3802731 (1974-04-01), LaBounty
patent: 4005894 (1977-02-01), Tucek

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