Reciprocating saw

Details Reciprocating saw Reciprocating saw

2006-10-03

2006-10-03

Ashley, Boyer D. (Department: 3724)

Cutlery

Cutting tools

Saw

C030S394000, C083S699210

Reexamination Certificate

active

07114259

ABSTRACT:
A reciprocating saw, comprises: a housing [13], a plunger [15], a driving gear [7], a link shaft [4], a pushing member [9], a lifting member [11], a front end portion of said link shaft [4]rotatablely connect with a rear end portion of said plunger [15], said lifting member [1]connect with said housing [13]and contact with a front end portion of said pushing member [9], said lifting member [11]also contact with a sleeve bearing which disposed on a rear end portion of said plunger [15], a angle between lines through a center of a first eccentric shaft [5], a rotating center of said driving gear [7]and a rotating center of a second eccentric shaft [8]is an obtuse angle. Said pushing member will move back and forth when said link shaft [4]move forward, the movement of said pushing member in the direction opposite to the movement of said link shaft will eliminate the vibration which resulting from the reciprocating movements of said plunger.

REFERENCES:
patent: 2917088 (1959-12-01), Papworth
patent: 3785053 (1974-01-01), Michaelson
patent: 3890708 (1975-06-01), Bauer
patent: 4238884 (1980-12-01), Walton, II
patent: 4262421 (1981-04-01), Bergler et al.
patent: 4545123 (1985-10-01), Hartmann
patent: 5099705 (1992-03-01), Dravnieks
patent: 5170564 (1992-12-01), Kaiser
patent: 5392519 (1995-02-01), Inoue et al.
patent: 5644846 (1997-07-01), Durr et al.
patent: 6742266 (2004-06-01), Splane, Jr.
patent: 3643279 (1988-06-01), None

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