Holding structure for terminal of variable resistor

Details Holding structure for terminal of variable resistor Holding structure for terminal of variable resistor

1997-07-10

1999-01-05

Walberg, Teresa J.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

H01C 1030

Patent

active

058567747

ABSTRACT:
In an electrical part, a first resilient portion of an internal terminal is inserted into a terminal guide portion, and the internal terminal is inserted into the terminal guide portion such that a contact portion thereof resiliently contacts the inner side of the terminal guide portion. A curved second contact portion of the internal terminal is formed at one end, and a stopper, disposed at the internal terminal 3, is retained in a recess of an external terminal to prevent the internal terminal 3 from being removed from the terminal guide groove. In conventional electrical parts, the internal terminal is connected to the insulating substrate at an eyelet or the like by staking in order to transfer the resistance change resulting from the rotation of the operating shaft to the outside, so that when staking at the eyelet or the like is done with too much strength, the insulating substrate may crack. The electrical part makes it possible to overcome such a problem of the conventional electrical parts.

REFERENCES:
patent: 3914727 (1975-10-01), Fabricius et al.
patent: 4310824 (1982-01-01), Steigerwald
patent: 4884052 (1989-11-01), Eitoku et al.
patent: 4928083 (1990-05-01), Sims et al.
patent: 5059940 (1991-10-01), Thomas et al.
patent: 5460035 (1995-10-01), Pfaffenberger

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