Variable resistor

Details Variable resistor Variable resistor

1994-01-26

1996-03-19

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338171, 338202, 338162, H01C 1034

Patent

active

055006345

ABSTRACT:
In order to prevent flux which is employed for soldering an open type pre-set variable resistor from reaching an upper major surface of a substrate provided with a resistor film, a blocking member is formed in a position upwardly separated from a lower major surface of the substrate by a prescribed distance, to block a through hole provided in the substrate. Further, an engaging portion which is provided on a variable side terminal is located in a position downwardly separated from the upper major surface of the substrate by a prescribed distance, to hold a slider which is rotatable about the central axis of the through hole.

REFERENCES:
patent: Re34795 (1994-11-01), Arriazu
patent: 4184140 (1980-01-01), Frey, Jr. et al.
patent: 4205296 (1980-05-01), Frey, Jr.
patent: 5113172 (1992-05-01), Lang

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