US2008099225A1PendingUtilityA1

Pen-type pneumatic tool having a manual airflow control knob

48
Assignee: SUNMATCH IND CO LTDPriority: Oct 25, 2006Filed: Oct 25, 2006Published: May 1, 2008
Est. expiryOct 25, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Lung-Pao Chen
B25F 5/00
48
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Claims

Abstract

A pen-type pneumatic tool having a manual airflow control knob includes a manual airflow control knob which enables users to easily control airflow amount without using any tool.

Claims

exact text as granted — not AI-modified
1 . A pen-type pneumatic tool having a manual airflow control knob, comprising:
 a pen-type pneumatic tool body having an airflow control mechanism to regulate airflow output amount; and   a manual bar-shaped airflow control knob which is located on the surface of the pen-type pneumatic tool body and has a bar-shaped ridge movable by users to turn the manual bar-shaped airflow control knob to drive the airflow control mechanism to regulate the airflow output amount.   
   
   
       2 . The pen-type pneumatic tool of  claim 1 , wherein the bar-shaped ridge has two opposite sides formed respectively in a curved shape shrinking in the center thereof.

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