Brake shoe resizer

Details Brake shoe resizer Brake shoe resizer

1984-06-01

1986-02-18

Crane, Daniel C.

Metal deforming

By tool-couple embodying nonplanar tool-face

72398, 72471, 72364, 72377, 2940205, 2940221, B21D 3700

Patent

active

045704759

ABSTRACT:
A brake shoe resizer characterized as a hydraulically operated die which includes a groove presenting a shape corresponding to the area of the ribs surrounding the openings for the brake shoe anchor pin. Guide and/or stop means are provided for positioning and/or checking purposes during the reworking operation. The latter includes introduction of a guide pin into the openings for the anchor pin and the successive reshaping of each such openings after the selective heating of the areas around the anchor pin openings prior to die or reforming action. The overall assembly further includes structure for reshaping the curvature of the brake shoe, if necessary, and, as well, the spacing between the ribs presented on the brake shoe.

REFERENCES:
patent: 1964584 (1934-06-01), Klocke
patent: 2144321 (1939-01-01), Bauberger et al.
patent: 2612205 (1952-09-01), Seibert
patent: 2878854 (1959-03-01), Batcheller

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