Self locking bowl retainer for a filter can

Details Self locking bowl retainer for a filter can Self locking bowl retainer for a filter can

2007-06-19

2007-06-19

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

With repair or assembling means

C210S308000, C210S444000, C210S451000

Reexamination Certificate

active

10265904

ABSTRACT:
In a Racor filter, an adaptor is provided to threadably mount a water collecting bowl to a can containing a filter element. In order to prevent the adaptor from rotating with respect to the can, the adaptor has an axially extending rim with a non-circular cross section that complements a non-circular opening through the bottom of the can. In a preferred embodiment, the non-circular opening has two chord segments disposed opposite from one another which engaged two chord segment flats on the threaded rim.

REFERENCES:
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patent: 5035797 (1991-07-01), Janik
patent: 5154823 (1992-10-01), Ma et al.
patent: 5186829 (1993-02-01), Janik
patent: 5593577 (1997-01-01), Imai et al.
patent: 5622623 (1997-04-01), Stone
patent: 6139738 (2000-10-01), Maxwell

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