Grapple shear

Details Grapple shear Grapple shear

1981-01-13

1983-05-10

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Fixed and moveable jaw

414740, 30134, B66C 110

Patent

active

043826253

ABSTRACT:
A grapple shear having a lower jaw with three widely spaced forwardly projecting tines, the outer tines having upper ends mounting the upper jaw with a pair of tines to swing into interleaving relation with the tines of the lower jaw, the outer tines of the lower jaw having forwardly opening angular bights, a swingable shear blade on the central tine of the lower jaw which carries an upright mast and a hydraulic ram on the top of the mast and driving the shear blade downwardly in a cutting motion.

REFERENCES:
patent: 3516158 (1970-06-01), Ferrentino
patent: 3567050 (1971-03-01), Pasquazzi et al.
patent: 4198747 (1980-04-01), LaBounty

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