Chip type variable electronic part and chip type variable...

Details Chip type variable electronic part and chip type variable... Chip type variable electronic part and chip type variable...

2005-04-13

2010-10-19

Enad, Elvin G (Department: 2832)

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

Reexamination Certificate

active

07817011

ABSTRACT:
In a chip type variable electronic part including an insulating substrate, and an adjustment rotor made of a metal plate rotatably mounted on an upper surface of the insulating substrate, in which the rotor is constituted of a first plate formed in a bowl shape to receive a screwdriver that rotates the rotor, and a second plate superposed on an upper surface of the first plate and integrally coupled thereto via a fold-back joint, and the second plate includes a screwdriver engagement hole perforated therein for the screwdriver to be fitted in, the fold-back joint is bent downward from an upper surface of the second plate, thereby preventing deformation of the fold-back joint when the rotor is rotated with the screwdriver.

REFERENCES:
patent: 3-101502 (1991-10-01), None
patent: 08191005 (1996-07-01), None
patent: 11-354307 (1999-12-01), None
patent: 2000353607 (2000-12-01), None
U.S. Appl. No. 11/597,025, filed Nov. 2006, Araki.
International Search Report for International Application No. PCT/JP2005/007154 dated Jul. 19, 2005.

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