Cutlery – Cutting tools – Saw
Patent
1997-05-13
1999-04-27
Payer, Hwei-Siu
Cutlery
Cutting tools
Saw
301234, B27B 1712
Patent
active
058966692
ABSTRACT:
The invention is directed to a cutterhead for an overhead branch cutter. The cutterhead includes a work tool and a gear assembly housing having a lower housing part and an upper housing part defining a closure cover for the lower housing part. A gear assembly is mounted in the housing and includes an input shaft and an output shaft disposed transversely to the input shaft. A first bearing unit journals the input shaft and a second bearing unit journals the output shaft in the gear assembly housing. Intermeshing gears are mounted between the input shaft and the output shaft. The lower housing part and the upper housing part conjointly define a partition plane partitioning the first and second bearing units. A one piece attachment flange is formed on the lower housing part and the output shaft has an outer end extending through the attachment flange. The work tool is mounted on the attachment flange and is operatively connected to the outer end of the output shaft.
REFERENCES:
patent: 3844380 (1974-10-01), Batson
patent: 4321838 (1982-03-01), Feldman
patent: 4636147 (1987-01-01), Schweitzer et al.
patent: 4757613 (1988-07-01), Baudreau et al.
patent: 4884340 (1989-12-01), Newman
patent: 5653028 (1997-08-01), Hashimoto
patent: 5718050 (1998-02-01), Keller et al.
Andreas Stihl
Ottesen Walter
Payer Hwei-Siu
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