Power tool having pneumatic vibration dampening

Details Power tool having pneumatic vibration dampening Power tool having pneumatic vibration dampening

2007-04-17

2007-04-17

Nash, Brian (Department: 3721)

Tool driving or impacting

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

C173S217000, C173S002000, C173S117000, C173S176000, C074S574400

Reexamination Certificate

active

10902717

ABSTRACT:
It is an object of the present invention to provide a vibration reducing technique caused by air pressure fluctuations within a power tool. According to the present invention, a representative power tool may comprise a driving motor, a driver and a tool bit. The driving motor drives the driver to cyclically reciprocate. The tool bit is linearly driven by utilizing the pressure of air within the power tool. The air may be compressed by the reciprocating movement of the driver. The power tool changes the rotational speed of the driving motor in the cycle of the reciprocating movement of the driver so that vibration caused in the power tool can be alleviated.

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