Fuel filter equipped with a quick fastening cover for an internal combustion engine
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United States of America Patent
Stats
-
Nov 9, 1993
Grant Date -
N/A
app pub date -
Aug 1, 1991
filing date -
Aug 8, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filter comprises a case for a fuel filter element and a cover that can be built according to two embodiments: one with holes for allowing the screwing of the filter onto a threaded base; and one with elbow-ducts projecting from the cover and integrally formed therewith. Both the cover and the case are of plastic material. The fastening of the cover to the case is obtained by means of a helical screw connection and a locking means, the locking means consisting of oblique teeth both in the case and in the cover acting as a ratchet gear arrangement for preventing unscrewing of the cover. A settlement chamber is formed at the bottom of the case having radial projections reinforcing the structure thereof.
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