Tree harvesting apparatus

Details Tree harvesting apparatus Tree harvesting apparatus

1976-06-14

1978-11-28

Simpson, Othell M.

Woodworking

Special-work machine

Combined

144 34E, A01G 2308

Patent

active

041271548

ABSTRACT:
Tree harvesting apparatus adapted to be fitted to conventional vehicle for use in relatively hilly terrain. The apparatus has holding and cutting means including a main post carrying upper and lower grapples to hold tree, and cutting means disposed below the lower grapple. Post is mounted on a hinge mounting carried on vehicle for swinging relative to vehicle about a generally vertical cutting position. Hinge mounting permits forward and backward tilting movement relative to the vehicle, and sideways tilting means permits similar relativesideways tilting movement so that grapples can cooperate with tree notwithstanding uneven terrain. Main post can slide transversely relative to vehicle to provide lateral movement of grapples. Cutting means has sliding knife blade which cooperates with opposed anvil having recessed inner face to accept knife blade. Bunk carried on vehicle behind the driver's cab accepts cut log from grapples when post is swung to inclined unloading position in which bunk is beneath the log. Bunk is tiltable for unloading and has first stake hinged to retract for unloading, and transversely movable second stake to position logs on, and to unload log from, the bunk.

REFERENCES:
patent: 3416678 (1968-12-01), Blonsky
patent: 3498347 (1970-03-01), Vit
patent: 3542099 (1970-11-01), Gibson
patent: 3631905 (1970-01-01), Karlin
patent: 3643712 (1972-02-01), Doel et al.
patent: 3646975 (1972-03-01), McNeil, Sr. et al.

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