Single-stroke pneumatic apparatus
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United States of America Patent
Stats
-
Aug 14, 1990
Grant Date -
N/A
app pub date -
Jun 20, 1988
filing date -
Oct 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single - stroke pneumatic apparatus comprises a hollow cylindrical frame1) in which is mounted for reciprocating back and forth a striker (2) forming in the frame (1) front and rear chambers (3 and 4), the front chamber (3) has its own inlet and outlet ports (5 and 6) and the rear chamber (4) has its own ports (7 and 8). A directional flow control sleeve (10) fitted outside the frame (1) is arranged to uncover and cover the inlet and outlet ports (5, 6, 7, 8). The directional flow control sleeve (10) is provided with front and rear longitudinal internal passages (11 and 12) and front and rear radial holes (13 and 14).
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