Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chi-Yung Huang0
Date of Patent
June 21, 2022
0Patent Application Number
166895270
Date Filed
November 20, 2019
0Patent Citations Received
Patent Primary Examiner
CPC Code
A pneumatic tool includes a casing unit, an air motor, a rotary valve, and a turning unit. The rotary valve is mounted to the air motor and is rotatable about a valve axis. The turning unit includes a ring member that surrounds and is rotatably mounted to the casing unit, and that is connected to the rotary valve, such that rotation of the ring member relative to the casing unit drives the rotary valve to rotate about the valve axis relative to the air motor among a first-end position, a second-end position and at least one in-between position for adjusting airflow that travels from an air inlet passage of the casing unit, through an opening and an intermediate passage of the rotary valve, to an air chamber of the air motor.
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