Suspension device for felling unit

Details Suspension device for felling unit Suspension device for felling unit

1976-11-23

1978-04-11

Simpson, Othell M.

Woodworking

With use of control means energized in response to activator...

To control different operating assemblages

144 3D, 144 34R, A01G 2308, E02F 332

Patent

active

040834638

ABSTRACT:
According to the invention, a tree-felling unit is suspended on a crane boom by a device comprising a rotor pivotally suspended on the boom and carrying the felling unit by way of a link member.

REFERENCES:
patent: 3247986 (1966-04-01), Eyler et al.
patent: 3283928 (1966-11-01), Bosredon
patent: 3590760 (1971-07-01), Boyd
patent: 3643712 (1972-02-01), Doel et al.
patent: 3735786 (1973-05-01), Vit
patent: 3796242 (1974-03-01), Albright
patent: 3896950 (1975-07-01), McCain
patent: 3963130 (1976-06-01), Maynard
patent: 3999670 (1976-12-01), Weyhausen

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