Pneumatic rotary tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 29, 2008
Grant Date -
Jul 3, 2003
app pub date -
Jan 26, 2001
filing date -
Jan 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pneumatic rotary tool has a housing formed primarily from plastic so that the weight and price of the tool are substantially reduced. The air motor is formed for economic assembly while permitting greater structural stability should the housing deflect under an impact. The tool includes a torque selector which controls the amount of pressurized air allowed to enter the air motor, thereby controlling the torque output of the motor. The user may adjust the torque selector to a number of set positions which correspond to discrete torque values. The tool additionally incorporates early and late stage exhaust ports, so that backpressure within the air motor does not slow motor rotation or decrease tool power.
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