Apparatus system and method for installing a strainer lock

Details Apparatus system and method for installing a strainer lock Apparatus system and method for installing a strainer lock

2005-05-24

2005-05-24

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Spanner

C081S052000, C081S124200, C081S176100, C081S176200, C081S180100

Reexamination Certificate

active

06895838

ABSTRACT:
A strainer lock apparatus for installing and removing a stainer in a sink or tub. A first member having a top end with a locking mechanism that may include a slot is inserted in the apertures of the strainer and rotated thus locking the first member which then hangs freely from the cross members. A second member with a threaded lock attached thereto is placed over the first member. A portion of the bottom end of the first member extends past the bottom end of the second member. An end piece is attached to the extended portion of the first member, thereby preventing the second member from falling from the first member. The second member and lock are brought into contact with the threaded surface of the top retainer section and rotated around the first member.

REFERENCES:
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patent: 2619861 (1952-12-01), Wanamaker
patent: 3408924 (1968-11-01), Mueller
patent: D311315 (1990-10-01), Duke
patent: 5090276 (1992-02-01), Groskey
patent: 5542321 (1996-08-01), Fuca
patent: D400769 (1998-11-01), Duke
patent: 5946990 (1999-09-01), Bonacci
patent: 6044502 (2000-04-01), Fountain
patent: 6044732 (2000-04-01), Astle
Pipe Tools, Wrenches, http://www.ridgid.com/catalog/13.html, two sheets, Published at least as early as Mar. 10, 2001.
PM Perfect Match Products, Plumbing Specialty Wrenches, one sheet, Published at least as early as Mar. 10, 2001.
Modern Plumbing, one sheet, Published at least as early as Mar. 10, 2001.

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