Woodworking – Special-work machine – Combined
Reexamination Certificate
2005-11-29
2005-11-29
Banks, Derris H. (Department: 3725)
Woodworking
Special-work machine
Combined
C144S034100
Reexamination Certificate
active
06968877
ABSTRACT:
The invention comprises a remote controlled power chain saw which can be remotely operated and remotely positioned to different heights and at different angles. The chain saw has a front and rear assembly with an endless chain with cutting teeth thereon which is pivotally mounted on a main frame of the front assembly and powered by a hydraulic cylinder to pivot downward about an axis out of the bottom of the assembly for using the chain to cut with power means to power the endless chain. The front assembly is pivotally mounted to the rear assembly about an axis perpendicular to the first mentioned axis and is power operated to pivot thereby pivot the chain to two different angles. The rear assembly is mounted to the forward end of a plurality of telescoping booms which booms are pivotally mounted to a vehicle so that the saw can be transported to a site for cutting and the saw telescoped and pivoted by the booms to different heights and angles and further pivoted to two different angles by the pivotal connection of the front and rear assembly and the pivotal connection of the saw to the front assembly.
REFERENCES:
patent: 3604479 (1971-09-01), Jordan
patent: 4683924 (1987-08-01), Cornelius
patent: 4802327 (1989-02-01), Roberts
patent: 5201350 (1993-04-01), Milbourn
patent: 6085505 (2000-07-01), Edwards
patent: 6148547 (2000-11-01), Seigneur et al.
patent: 6662835 (2003-12-01), Gengler
Banks Derris H.
Kleve Robert E.
Self Shelley
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