Process and apparatus for reforming brake shoes

Details Process and apparatus for reforming brake shoes Process and apparatus for reforming brake shoes

1990-05-25

1991-01-22

Jones, David

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72389, 294025, B21D 501

Patent

active

049861018

ABSTRACT:
A process is provided for automatically reforming rotary drum brake shoes preferably by an apparatus 100 that includes an adjustable sensing member (30) that monitors the distance ("L") between end openings (8) and (12) of a brake shoe (2) supported by support member (26, 26') adjacent its opposite ends. Member (30) generates a reference signal that is compared to stored dimensional standards established therefor and, if not within the limits, a control signal is generated that causes a bending member (20) to bend brake shoe (2) transversely between supports (26, 26') until its configuration falls within the dimensional limits established therefor. Apparatus (100) is preferably operative to first monitor the width ("X") of openings (8) and (12) and, if outside of the tolerance standards established therefor, enable the reforming process to be stopped rather than continue.

REFERENCES:
patent: 2144321 (1939-01-01), Bauberger et al.
patent: 2646836 (1953-07-01), Barrett
patent: 3333445 (1967-08-01), Mergler et al.
patent: 3713312 (1973-01-01), Galdabini
patent: 4506535 (1985-03-01), Eubanks
patent: 4570475 (1986-02-01), Kerney et al.
patent: 4912957 (1990-04-01), Petersen et al.

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