Battery operated saw

Details Battery operated saw Battery operated saw

1995-06-26

1996-10-08

Payer, Hwei-Siu

Cutlery

Cutting tools

Saw

302774, 74 50, B23D 4916

Patent

active

055619096

ABSTRACT:
The electrically operated reciprocating tool includes a housing with a counterbalanced single throw crankshaft mounted for rotation within the housing. The crankshaft rotates on a central shaft, and includes a weighted counterbalance section extending radially on an opposite side of the shaft and is pivotally connected to one end of an elongate drive link. The opposite end of the drive link is pivotally connected to a reciprocable unit mounted for movement in a raceway formed in the housing. A battery powered drive unit mounted in the housing is connected to rotate the crankshaft.

REFERENCES:
patent: 2206614 (1940-07-01), O'hern
patent: 2639737 (1953-05-01), Forsberg
patent: 2764188 (1956-09-01), Hoffman
patent: 3642002 (1972-02-01), Otterstrom
patent: 3901117 (1975-08-01), Hoffman
patent: 4555849 (1985-12-01), Ando et al.
patent: 4693009 (1987-09-01), Bone
patent: 4836069 (1989-06-01), Tran Dinh
patent: 4949464 (1990-08-01), Adomatis
patent: 5303478 (1994-04-01), Gugel

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