Wrench for installing strainer base in sink

Details Wrench for installing strainer base in sink Wrench for installing strainer base in sink

1991-05-17

1992-02-25

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

8117615, B25B 1348

Patent

active

050902768

ABSTRACT:
A wrench to be used in engaging opposed notches in a threaded strainer base, to enable the strainer base to be installed in the operative position in the drain of a sink. Such a strainer base has an upper flange, a tapered throat portion, and a lower flange, with the notches being disposed in diametrically opposed locations in the lower flange. This novel wrench comprises a handle, an elongate shaft mounted on the handle, and an elongate drive bar of generally rectangular configuration mounted at right angles to the shaft at a location remote from the handle. The drive bar is dimensioned to fit entirely through the throat of the sink base and to reside in a position in which each end of the drive bar engages one of the opposed notches. Importantly, I utilize a depth-limiting device on the wrench, for engaging the throat of the strainer base, for preventing the ends of the drive bar from passing beyond the notches and into an ineffectual lower position. The handle of the wrench, when the ends of the drive bar are engaging the notches of the strainer base, enabling the strainer base to be turned in rotation in either direction.

REFERENCES:
patent: 660829 (1900-10-01), Angell
patent: 1467936 (1923-09-01), Janssen
patent: 1793477 (1931-02-01), German et al.
patent: 2522038 (1950-09-01), Houghton
patent: 2678578 (1954-05-01), Bonanno
patent: 4878406 (1989-11-01), Simpson et al.

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