Variable resistor

Details Variable resistor Variable resistor

1997-11-19

2000-08-29

Donovan, Lincoln

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338164, 338171, 338152, 338166, H01C 1032

Patent

active

061114936

ABSTRACT:
A variable resistor comprises a case, slide contactors, a rotor, a metal cover and lead terminals. Arms which are respectively provided at central portions of the slide contactors protrude from a bottom surface of a recess portion of the case and are each shaped like a comb. The arms are respectively contacted, at contact portions A, B and C, by electrodes and resistor of the rotor. Lead terminals are each circular in cross section and are respectively connected, at end surfaces of their lead wires, to the slide contactors. This makes it possible to obtain a variable resistor which is easy to manufacture, low in cost and excellent in reliability.

REFERENCES:
patent: 3676824 (1972-07-01), Mulqueen et al.
patent: 3683308 (1972-08-01), Hamill
patent: 4998088 (1991-03-01), Masura
patent: 5053742 (1991-10-01), Masura
patent: 5201410 (1993-04-01), Takano et al.
patent: 5305110 (1994-04-01), Taki et al.
patent: 5414403 (1995-05-01), Greuter et al.
patent: 5790012 (1998-08-01), Nakatsu et al.

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