Oscillating valve for a double acting operating cylinder
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United States of America Patent
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-
Jan 26, 1999
Grant Date -
N/A
app pub date -
Jul 9, 1997
filing date -
Jul 10, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For the oscillating triggering of a double acting operating cylinder (4), a reversing valve (6) has been provided and has been inserted between the pressure supply connector (5) and the two operating cylinder drive connectors (2,3) that is driven via two NOT elements (7,8), that each have been assigned to an operating position and connected with a drive connector (2,3). The reversing valve (6) is caused by pressure to periodically switch between the two operating positions. In order to stop oscillating with a defined final position of the operating cylinder (4) or start it up again, at least one of the NOT elements (7) has been provided with a pressure supply connector that can be triggered independently from the supply connector (5).
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