Tapped resistor grid assembly

Details Tapped resistor grid assembly Tapped resistor grid assembly

1988-02-22

1989-06-06

Albritton, C. L.

Electrical resistors

Ribbon resistance element bent or curved on flat side

338280, 338281, 219539, 219542, H01C 300

Patent

active

048375497

ABSTRACT:
In the assembly two or more strips of resistance material are positioned edge-to-edge and fan-folded between the side members of a frame. The strips are supported at their loops by insulated fixtures and each has a terminal at each end. The strips are embossed or indented between loops so as to form longitudinally extending offsets spaced from each other across the strip. The depth of those offsets is controlled so that the clear space between the adjoining flights is just sufficient to admit a flat metal strip inserted between them crosswise with a portion projecting to form a tap. That tap can be positioned anywhere between parallel flights of the resistor ribbon after the assembly of the unit. A channel-shaped clip fits over the projecting tap and the edges of the adjoining flights of resistor ribbon and is welded to the tap and the flights.

REFERENCES:
patent: 2537796 (1951-01-01), Sieklucki et al.
patent: 2680178 (1954-06-01), Kuhn et al.
patent: 3237142 (1966-02-01), Nuss

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