Woodworking – Special-work machine
Patent
1979-01-15
1981-05-26
Bray, W. D.
Woodworking
Special-work machine
30122, 303795, 144 34R, F16M 1104, B27L 100
Patent
active
042692415
ABSTRACT:
A motorized vehicle carries a telescoping boom, pivotally mounted thereon by its proximal end portion for rotation about a vertical axis and for pivoting about a horizontal axis from a horizontal position to a vertical position. The distal end portion carries a limb engaging and cutting assembly having opposed outwardly diverging guide bars which converge toward a hydraulically driven rotary saw which is movable, along the longitudinal axis of the boom, outwardly to cut the limb as it is held in the throat between the guide bars. A pair of hydraulically operated pivoted grappling hooks confine a limb in the throat for severing action by the saw. The assembly is rotatable about the longitudinal axis by a hydraulic motor. Remote controls in the cab of the vehicle permit selective actuation of the components.
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patent: 776743 (1904-12-01), Holdt
patent: 1364432 (1921-01-01), Georgelis
patent: 2538371 (1951-01-01), Le Tourneau
patent: 3234976 (1966-02-01), Grant
patent: 3343575 (1967-09-01), Trout
patent: 3565372 (1971-02-01), Jones et al.
patent: 3664391 (1972-05-01), Coffey
patent: 3688816 (1972-09-01), Runeson
patent: 3720246 (1973-03-01), David
patent: 4063359 (1977-12-01), Luscombe
Bray W. D.
Products for Energy, Inc.
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