Pneumatic tool

Details Pneumatic tool Pneumatic tool

2006-01-31

2006-01-31

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Passage in manipulating handle for drive motor motive fluid

Motive fluid control valve in handle passage

C173S168000, C173SDIG002, C181S230000, C181S231000, C181S258000

Reexamination Certificate

active

06991043

ABSTRACT:
A pneumatic tool includes a shell with a chamber defined therein, a first passage communicated with the chamber and a second passage communicated with the chamber. A rotor is installed in the chamber for rotation when driven by pressurized air flowing into the chamber through the first passage. A shaft extends to the exterior of the shell from the rotor. A trigger is installed on the shell. A control device is put in the first passage and connected with the trigger for controlling the first passage. A muffler is put in the second passage. The muffler includes a plurality of balls.

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patent: 6343672 (2002-02-01), Petela et al.
patent: 6668971 (2003-12-01), Sterling

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