Embossed and lanced resistor structure

Details Embossed and lanced resistor structure Embossed and lanced resistor structure

1990-01-16

1991-09-17

Lateef, Marvin M.

Electrical resistors

Ribbon resistance element bent or curved on flat side

Zigzag or sinuous

338277, 338281, 338283, H01C 300

Patent

active

050498517

ABSTRACT:
A resistor grid for dynamic braking and the like has a fan-folded strip of resistance material mounted in a frame. The strip is embossed longitudinally so as to stiffen it between folds or loops and lanced or slit longitudinally between embossments from fold to fold but not around folds.

REFERENCES:
patent: 2680178 (1954-06-01), Kuhn et al.
patent: 2721920 (1955-10-01), Weide
patent: 2772337 (1956-11-01), Du Bois
patent: 2891303 (1959-06-01), Stevenson
patent: 3027532 (1962-03-01), Du Bois
patent: 4651125 (1987-03-01), Harkness

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