Fluid filter with removable central component with additional retainer
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United States of America Patent
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-
Aug 9, 2005
Grant Date -
May 29, 2003
app pub date -
Jan 10, 2003
filing date -
Dec 2, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a fluid filter, especially an oil filter for an internal combustion engine, comprising a filter housing and a central, approximately tubular component which extends into the interior of the filter, said central component engaging in the operating position a projection located on the filter housing and permanently retained in the filter housing, said component being disengageable from said projection and nondestructively removable in said disassembly position from the filter, the component being rotatably mounted around its longitudinal axis within the filter housing, a retaining component (10) being arranged in rotatably restricted fashion within the filter housing, which retaining component in its operating position surrounds and fixes the central component by means of a clamping or locking interference fit, and the central component being rotatable in its disassembly position when the clamping or locking force is exceeded.
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