Connecting device for connecting liquid consumer to liquid source
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United States of America Patent
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Oct 9, 1990
Grant Date -
N/A
app pub date -
Aug 10, 1989
filing date -
Aug 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A connecting device for connecting a source of hydraulic medium with a consumer of a hydraulic medium, such as a hydraulic tool has a first connecting element to be connected with a consumer and having a passage, a first valve member in the passage, and a spring-biased locking member, and a second connecting element to be connected with a source and having a passage, and a second valve member in the passage and cooperating with the first valve member to form a valve upon assembly of the connecting device. The connecting elements are coupled by a first coupling member turnable on the first connecting element between locked an unlocked positions and a second coupling member turnably supported on the second connecting element and screwable with the first coupling member. When the first coupling member is locked on the first connecting element and the second coupling member is screwed on the first coupling element, the connecting elements are connected with one another and the valve members cooperate with one another so as to open the valve and communicate the throughgoing passages to allow flow of a hydraulic medium from the source to the consumer.
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