Tools – Wrench – screwdriver – or driver therefor – Spanner
Patent
1997-12-17
1999-09-07
Scherbel, David A.
Tools
Wrench, screwdriver, or driver therefor
Spanner
30103, 30107, 30502, 305035, 30519, B25B 1348, B23D 2106, B27B 2100
Patent
active
059469900
ABSTRACT:
A drain assembly removal tool and method are disclosed for removing a drain assembly, including providing a hand grip, two prongs extending from the hand grip, and cutting means attached to at least one prong for cutting into a strainer plug body of a drain assembly. In one aspect, an adjustable saw blade includes a multi-position slot for mounting the saw blade to the prong for providing adjustment to contact the saw blade to the strainer plug body of the bathtub drain. In one aspect, a serrated helical wheel provides adjustment to contact the saw blade to the strainer plug body of the bathtub drain. In another aspect, an adjustable cutter wheel includes a serrated helical wheel for providing adjustment to contact the cutter wheel to the strainer plug body of the bathtub drain.
REFERENCES:
patent: 482496 (1892-09-01), Coppage
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patent: 943323 (1909-12-01), Sorensen
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patent: 2659256 (1953-11-01), Palmer
patent: 2782820 (1957-02-01), Dreier
patent: 2814105 (1957-11-01), Smith
patent: 3010347 (1961-11-01), Kron
patent: 3798687 (1974-03-01), Stevens
patent: 5103698 (1992-04-01), Delaney
Glantz Douglas G.
Hoffmann Philip J.
Scherbel David A.
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