BI-directional tree saw

Details BI-directional tree saw BI-directional tree saw

1990-01-05

1991-01-29

Bray, W. Donald

Woodworking

Special-work machine

Tree felling

30389, 303795, 83839, 83928, 144 3D, 144241, 144336, A01G 2308

Patent

active

049879359

ABSTRACT:
A tree saw includes a frame adapted to be attached to the boom of a prime mover, a tree clamping mechanism on the frame, and a carriage assembly on the frame below the clamping mechanism. The carriage assembly includes a generally plate-like chassis, a generally U-shaped bulkhead upstanding from the chassis and providing a recessed base portion and forwardly-extending arm portions, and a slide mechanism on the arm portions. A rail mechanism on the frame receives the slide mechanism for reciprocating movement of the carriage assembly. A hydraulic cylinder assembly interconnects the bulkhead and frame for reciprocating the carriage assembly. An annular rim member rotatably mounted on the chassis has a geared inner circumference and a toothed outer circumference projecting forwardly of the base portion. A motor-driven pinion mechanism on the chassis engages the rim member inner circumference to rotate the rim member.

REFERENCES:
patent: 3468351 (1969-09-01), Ehlen
patent: 3664391 (1972-05-01), Coffey
patent: 3945289 (1976-03-01), Baez Rios
patent: 4013106 (1977-03-01), Albright
patent: 4081009 (1978-03-01), Curlett
patent: 4593733 (1986-06-01), Hamilton
patent: 4763705 (1988-08-01), Johnson
patent: 4817692 (1989-04-01), Denis
patent: 4932447 (1990-06-01), Morin

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