Reciprocating power tool

Details Reciprocating power tool Reciprocating power tool

2011-08-16

2011-08-16

Lee, Laura M. (Department: 3724)

Cutlery

Cutting tools

Saw

C030S393000, C083S615000, C083S632000, C074S02200R, C074S050000, C074S061000

Reexamination Certificate

active

07996996

ABSTRACT:
The present invention provides a technique for achieving weight reduction of the counter weight while reducing vibration in a reciprocating power tool. A tool bit performs a predetermined operation by reciprocating. A slider reciprocates to drive the tool bit. A motion converting mechanism converts a rotating output of the motor into a reciprocating movement of the slider. A counter weight reciprocates in a direction opposite to the reciprocating direction of the slider to reduce vibration caused by the reciprocating movement of the slider. A component part includes component of motion in a direction parallel to the reciprocating movement of the slider to cooperate with the counter weight in reducing vibration caused within the power tool. Thus, the weight of the counter weight can be decreased.

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Japanese Office Action for Application No. 2003-205477, dated Jul. 30, 2008.

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