Mobile tree processor

Woodworking – Special-work machine – Combined

Patent

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Details

144309AC, A01g 2308

Patent

active

041271521

ABSTRACT:
An articulated boom assembly is mounted on a vehicle for swinging movement about a vertical axis. A shear-grapple unit is pivotally attached to the free end of the boom assembly so that after a standing tree has been cut, it may be tilted from a vertical position to a horizontal position. When the cut tree is positioned horizontally above the vehicle, it can be lowered into a stationary delimbing head and also at the same time to a clamping mechanism that travels longitudinally of the vehicle for the purpose of feeding the tree toward a shear mechanism, the delimbing of the tree taking place as this is done. When advanced to a predetermined distance beyond the shear mechanism, the shear mechanism is actuated to sever the first bolt which drops onto an inclined annular plate that has a U-shaped yoke projecting upwardly through its central opening. When the yoke is rotated through 90.degree., a spring yields under the weight of the bolt so that the bolt is free to roll into a collector. After the collector has become full, it is elevated and a pair of pivotal arms that normally close the bottom opening of the collector arm swung downwardly to permit the bolts in the collector to be dumped in a pile onto the ground.

REFERENCES:
patent: 3102563 (1963-09-01), Horncastle
patent: 3196911 (1965-07-01), Busch et al.
patent: 3252487 (1966-05-01), Larson et al.
patent: 3348592 (1967-10-01), Winblad et al.
patent: 3356116 (1967-12-01), Brundell et al.
patent: 3398774 (1968-08-01), Hahn

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