Controlling mechanism of pneumatic tool

Details Controlling mechanism of pneumatic tool Controlling mechanism of pneumatic tool

2005-08-23

2005-08-23

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, C173S218000

Reexamination Certificate

active

06932165

ABSTRACT:
A controlling mechanism of pneumatic tool. The controlling mechanism is formed with a radial hole in which a speed adjustment button and a direction switching button are disposed. A pad member is disposed between the speed adjustment button and direction switching button. The speed adjustment button is formed with an axial through hole in which a pin member is inserted. One end of the pin member is formed with a through hole. A valve rod is passed through a through hole of an inlet passage of the main body of the pneumatic tool and inserted into the through hole of the pin member. When the pin member is driven, the valve rod is driven to bias a valve plate, whereby the air can get into the main body of the pneumatic tool.

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patent: 6644419 (2003-11-01), Chen

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