Filter assembly with O-ring protection
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United States of America Patent
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Aug 5, 1997
Grant Date -
N/A
app pub date -
Apr 24, 1996
filing date -
Apr 24, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention includes a liquid filtering filter head configured to receive a filter cartridge closure member, where the closure member has at least one seal member. The filter head has a generally cylindrical, inverted cup-like structure defining a chamber configured to receive the closure member and two openings in fluid communication with the chamber. Furthermore, the filter head features a guide for guiding a seal member as the closure member is inserted into the chamber, so that the seal member is prevented from becoming caught in the openings.
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