Log grappling apparatus

Details Log grappling apparatus Log grappling apparatus

1975-10-16

1977-02-01

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

214147AS, 294106, B66C 316

Patent

active

040058948

ABSTRACT:
A grappling apparatus for gripping full length trees is disclosed herein. The grappling apparatus includes upper and lower frames that are rotated relative to each other and the lower head has transversely spaced fixed grapple heels located on opposite sides of the pivot axis between the frames. The lower frame has a pair of grapple arms pivoted thereon and the arms are interconnected by a link so that a single fluid ram can be used to pivot the arms between open and closed positions.

REFERENCES:
patent: 2604220 (1952-07-01), Frischmann
patent: 3048288 (1962-08-01), Dwyer
patent: 3310335 (1967-03-01), Shuey
patent: 3371952 (1968-03-01), Hunger
patent: 3631995 (1972-01-01), Jones et al.
patent: 3905407 (1975-09-01), Guy et al.

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