Counterbalance mechanism

Details Counterbalance mechanism Counterbalance mechanism

2006-10-10

2006-10-10

Larson, Lowell A. (Department: 3725)

Cutlery

Cutting tools

Saw

C030S394000

Reexamination Certificate

active

07117601

ABSTRACT:
The present invention relates to a counterbalance mechanism for a reciprocating power tool in which a rocker cradle operatively connects or is coupled to a rocker arm driven by a rotary transmission mechanism to drive a counterweight in the opposite direction to that of the movement of the reciprocating rod so as to counteract the vibration produced by the reciprocating rod.

REFERENCES:
patent: 3945120 (1976-03-01), Ritz
patent: 5025562 (1991-06-01), Palm
patent: 6249979 (2001-06-01), Bednar et al.
patent: 6286217 (2001-09-01), Dassoulas et al.
patent: 6508151 (2003-01-01), Neitzell
patent: 41 08 982 (1992-06-01), None
patent: 1 345 238 (1963-12-01), None

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