Quick connect/disconnect oil filter

Details Quick connect/disconnect oil filter Quick connect/disconnect oil filter

1992-01-27

1994-04-05

Savage, Matthew O.

Liquid purification or separation

With repair or assembling means

210248, 210443, B01D 2708, B01D 2710

Patent

active

053002237

ABSTRACT:
A filter assembly includes a base and a filter cartridge removably mounted on the base. The filter cartridge is held in place on the base by a first set of latching members or fingers. When the cartridge is to be changed, a clipping ring from which the fingers extend is rotated relative to the base, urging the fingers up a camming surface to thereby release the first set of fingers and allow the seal between the cartridge and base to be broken, while the cartridge is retained on the base by a longer second set of fingers. Upon additional rotation of the clipping ring, the longer fingers are released, thereby permitting removal of the cartridge from the base.

REFERENCES:
patent: 1840883 (1930-05-01), Brecher
patent: 3225929 (1965-12-01), Sicard
patent: 3300049 (1967-01-01), Hardcastle
patent: 3490594 (1970-01-01), Hutchins, Jr.
patent: 3513979 (1970-05-01), Miller et al.
patent: 4052307 (1977-10-01), Humbert, Jr.
patent: 4371439 (1983-02-01), Thornton
patent: 4477347 (1984-10-01), Sylva
patent: 4719012 (1988-01-01), Groezinger et al.
patent: 4764275 (1988-08-01), Rohichaud
patent: 4767530 (1988-08-01), Gilliam
patent: 5084162 (1992-01-01), Conti

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