Power tool with vibration reducing means

Details Power tool with vibration reducing means Power tool with vibration reducing means

2005-04-26

2009-10-20

Nash, Brian D (Department: 3721)

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

C173S122000, C173S210000, C173S162200

Reexamination Certificate

active

07604071

ABSTRACT:
The invention provides a power tool which includes a tool bit, a first operating mechanism that linearly drives the tool bit and thereby causes the tool bit to perform a predetermined operation, and a dynamic vibration reducer151that reduces vibration in the operation of the tool bit. The dynamic vibration reducer includes a weight153that can linearly move under the action of biasing forces of a plurality of biasing springs157acting upon the weight153toward each other. The weight153is driven by a second operating mechanism116that mechanically excites at least one of the elastic elements, via the elastic element.

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