Airway airtight structure of pneumatic tool

Details Airway airtight structure of pneumatic tool Airway airtight structure of pneumatic tool

2005-04-26

2005-04-26

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Miscellaneous

C173S169000

Reexamination Certificate

active

06884052

ABSTRACT:
An airway airtight structure of pneumatic tool, including: a main body having a body section, a cylindrical chamber being formed in the body section, an inlet being formed in a predetermined position of a wall of the chamber for communicating with an incoming passage of the pneumatic tool; a cylinder member having a hollow cylindrical body coaxially accommodated in the chamber, a wall of the cylindrical body being spaced from the inlet; and a connecting section positioned in a position where an opening of the inlet is directed, the connecting section being sandwiched between the cylindrical body and the wall of the chamber. The connecting section includes two mating bodies mated with each other. A connecting face is positioned between the opposite mating ends of the mating bodies and inclined from the axis of the cylindrical body by a predetermined inclination angle. A connecting airway is formed on the mating bodies and extends through the connecting face to communicate with the inlet.

REFERENCES:
patent: 5346024 (1994-09-01), Geiger et al.
patent: 6634438 (2003-10-01), Pusateri et al.

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