Structure for variable electronic component

Details Structure for variable electronic component Structure for variable electronic component

1993-06-15

1994-05-24

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338163, 338190, H01C 1030, H01C 1048

Patent

active

053152832

ABSTRACT:
A variable electronic component includes an insulating substrate, and a rotor made of a metal plate and rotatably supported on the substrate for parameter adjustment of the electronic component. The rotor includes a main rotor member and an upper plate member integral with the main rotor member via a connecting web which is bent so that the upper plate member overlaps on the main rotor member. The upper plate member has an engaging opening for engagement with a turning tool. The main rotor member is provided with a first engaging portion at a position spaced from the connecting web, whereas the upper plate member is provided with a second engaging portion for engagement with the first engaging portion to prevent the upper plate member from angularly deviating relative to the main rotor member when the upper plate member is overlapped on the main rotor member.

REFERENCES:
patent: Re33627 (1991-07-01), Nishizawa et al.
patent: 4712084 (1987-12-01), Okazaki et al.
patent: 4785278 (1988-11-01), Nishizawa et al.

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