Quick connect/disconnect liquid filter

Details Quick connect/disconnect liquid filter Quick connect/disconnect liquid filter

1993-11-09

1997-02-25

Savage, Matthew O.

Liquid purification or separation

With repair or assembling means

210440, 210450, 210453, B01D 2708

Patent

active

056056249

ABSTRACT:
A filter assembly includes a base and a filter cartridge supported on the base. The filter cartridge includes a filter element mounted within a cup-shaped housing having a circumferentially extending wall and an open end. In the preferred embodiment, a collar circumscribes the housing and includes a set of cooperating bayonet lugs which cooperates with a corresponding set of bayonet lugs on the base, permitting easy removal of the filter when the filter is changed by merely rotating the collar one quarter of a turn. In the alternate embodiment, the lugs are included within the housing itself and cooperate directly with lugs on the base.

REFERENCES:
patent: 3502221 (1970-03-01), Butterfield
patent: 3616933 (1971-11-01), Baldwin
patent: 4371439 (1983-02-01), Thornton
patent: 4992166 (1991-02-01), Lowsky et al.
patent: 5017285 (1991-05-01), Janik et al.
patent: 5203994 (1993-04-01), Janik

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