Single brake spring tool and method

Details Single brake spring tool and method Single brake spring tool and method

2006-04-25

2006-04-25

Wilson, Lee D. (Department: 3723)

Metal working

Means to assemble or disassemble

Spring applier or remover

C029S256000

Reexamination Certificate

active

07032280

ABSTRACT:
A method for removal and replacement of a generally U-shaped drum brake spring from brake drum shoes includes a tool set of two spring retractors each in the form of an L-shaped bracket with a hook designed to engage a leg of the spring and further including alignment features associated with at least one leg of each spring retractor to assist in positioning the spring retractor on the backing plate of a drum brake assembly. At least two spring retractors are used in combination, each separate retractor being used to engage and remove or replace one leg of a generally U-shaped spring from the brake shoes of a drum brake assembly.

REFERENCES:
patent: 1986093 (1935-01-01), Abernathy
patent: 3704503 (1972-12-01), Haywood
patent: 6012211 (2000-01-01), Ochoa et al.
patent: 6044535 (2000-04-01), Strickland
patent: 6082793 (2000-07-01), Gagnon
patent: 6327769 (2001-12-01), Strickland
patent: 6520732 (2003-02-01), Bull et al.
GM Brake Shoe Spanner and Spring Remover, No. J38400, OTC Catalog, p. 70, May 1998.
Brake Spring Pliers, Napa Service Tools, Skin Pack Card from NAPA Part No. 3365.

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