Log handling machine

Details Log handling machine Log handling machine

1980-07-23

1983-02-15

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

414 23, 414686, 4146955, 414738, 172274, 212246, B66C 2300, B60D 102

Patent

active

043738532

ABSTRACT:
A log handling attachment for a bulldozer or similar vehicle consisting of a bracket assembly arranged to be detachably mounted on the rear portion of the vehicle and carrying a horizontally rotatable articulated boom provided with hydraulic cylinders for moving the pivoted parts of the boom, and provided with a hydraulically-driven gear and sprocket chain system for swinging the boom around a vertical axis through a wide angular range. A hydraulic winch is mounted on the boom, having a long cable running through sheaves on the boom and provided with a log-engaging tool at the end of the cable. Operating power is derived from the power take-off shaft of the vehicle.

REFERENCES:
patent: 420942 (1890-02-01), Kilgore
patent: 3081891 (1963-03-01), Przybylski
patent: 3154199 (1964-10-01), Balogh et al.
patent: 3197038 (1965-07-01), Billings
patent: 3207044 (1965-09-01), Hall
patent: 3709390 (1973-01-01), Tanguay
patent: 3874532 (1975-04-01), Metailler
patent: 4034998 (1977-07-01), Iijima et al.
patent: 4260064 (1981-04-01), Ekstam

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