Pneumatic spring percussion mechanism with an air supply
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United States of America Patent
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-
Sep 19, 2000
Grant Date -
N/A
app pub date -
Jun 30, 1999
filing date -
Jul 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A double action pneumatic spring percussion mechanism has an air supply mechanism. A percussion piston is movable with a driving piston. In an air-supply position, ambient air is supplied through an air inlet to a front pneumatic spring. When the percussion piston and driving piston are moved accordingly relative to each other, a loading hole is opened, through which air under increased pressure can flow out of the front pneumatic spring into a rear pneumatic spring, ensuring an increase of pressure in the rear pneumatic spring. The air pressure increase in both pneumatic springs makes it possible to use the pneumatic spring percussion mechanism even in conditions of operation with a low ambient air pressure.
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