Machine for felling and shaping trees

Details Machine for felling and shaping trees Machine for felling and shaping trees

1987-11-23

1989-01-31

Bray, W. Donald

Woodworking

Special-work machine

Combined

144 2Z, 144 34R, 144336, A01G 2308

Patent

active

048009369

ABSTRACT:
A machine for felling and shaping trees is provided with a work head susped by at least two perpendicular joints one of which makes possible its horizontal swivel and the other a certain angular freedom in the vertical plane and carried by a frame consisting of a beam comprising at least a free space intended to neutralize the joint of vertical angular freedom in felling position.

REFERENCES:
patent: 3542009 (1970-11-01), Gibson
patent: 3643712 (1972-02-01), Doel et al.
patent: 3735786 (1973-05-01), Vit
patent: 3797541 (1974-03-01), Kurelek et al.
patent: 4083463 (1978-04-01), Ericsson
patent: 4124047 (1978-11-01), Dressler et al.
patent: 4412777 (1983-11-01), Forslund

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