Material or article handling – Vertically swinging load support and hoist or drag line
Patent
1982-01-26
1983-09-13
Spar, Robert J.
Material or article handling
Vertically swinging load support and hoist or drag line
414786, 414912, B66B 142
Patent
active
044039026
ABSTRACT:
An improved boom grapple assembly which enables a skidder operator to easily transform the boom grapple assembly from a grapple skidder mode of operation to a cable skidder mode of operation and back again.
REFERENCES:
patent: 3281119 (1966-10-01), Westfall
patent: 4102528 (1978-07-01), Cripe
patent: 4315652 (1982-02-01), Barwise
Clark Equipment Company
Spar Robert J.
Thibault Harry G.
Underwood Donald W.
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