Valves and valve actuation – Limit stop – Adjustable
Reexamination Certificate
2006-05-02
2006-05-02
Bastianelli, John (Department: 3751)
Valves and valve actuation
Limit stop
Adjustable
C251S339000, C173S221000, C173S169000
Reexamination Certificate
active
07036795
ABSTRACT:
A valve apparatus for an air tool which has a valve rotatably disposed in a cylinder portion of a body of the air tool in which an air motor is accommodated; and a lever fixed to the valve and slidably received within a slit-shaped opening formed in the cylinder portion. The valve includes a first disc portion having an air inlet, a lever-fixing portion having an air passage which communicates with the air inlet, and a second disc portion having an air outlet which communicates with the air passage. The lever-fixing portion is narrower than the first and second disc portions. The lever has a knob portion slidable within the opening and a generally U-shaped engagement portion fixed to the lever-fixing portion so that two legs of the engagement portion sandwich the lever-fixing portion from diametrically opposite sides.
REFERENCES:
patent: 3354732 (1967-11-01), Wickham
patent: 3734459 (1973-05-01), Sauerwein et al.
patent: 5346024 (1994-09-01), Geiger et al.
patent: 5918686 (1999-07-01), Izumisawa
patent: 6062323 (2000-05-01), Pusateri et al.
patent: 6135213 (2000-10-01), Schoeps
Description of Chicago Pneumatic 3/8″ Reversible Drill extra Heavy Duty CP-789R-26 on Jack-X-Change website.
Bastianelli John
Jordan and Hamburg LLP
Kabushiki Kaisha Shinano Seisakusho
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