Oil filter canister removal tool

Details Oil filter canister removal tool Oil filter canister removal tool

2007-07-10

2007-07-10

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

With repair or assembling means

C210S248000, C081S121100, C081S120000, C081S003080, C081S064000

Reexamination Certificate

active

11348646

ABSTRACT:
An oil filter canister removal tool comprising a cup-shaped plastic body long enough to receive the filter therein and of sufficient diameter as to provide radial clearance between the filter canister and the top rim of the body. A snug fit can be provided by integral flutes or bonded in strips of elastomeric material. In operation the tool is slipped over a canister after the canister has been loosened relative to the engine block. The tool is manually rotated until the canister is free of the engine. The tool can be cleaned up and reused after disposal of the oil filter canister. The tool may also be thrown away with the used filter.

REFERENCES:
patent: 3710930 (1973-01-01), Owdom
patent: 4266452 (1981-05-01), Crist
patent: 4865727 (1989-09-01), Krauss
patent: 4867017 (1989-09-01), Holman
patent: 5271299 (1993-12-01), Wadsworth
patent: 5421223 (1995-06-01), Wawrzyniak
patent: 5981649 (1999-11-01), Hiraoka et al.

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