Conductive spindle assembly of pull switch

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5252794
SERIAL NO

07921101

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention provides a conductive spindle assembly of a pull switch which has an insulation spindle within which is formed three recesses in a periphery of the insulation spindle. A conductive collar is provided for matingly engaging with the insulation spindle. The conductive collar has a conductive base portion and three vertically extending conductive contact tabs. The first and second of the contact tabs extend vertically from a periphery of the base portion and have a first vertical extension height. The third contact tab extends vertically from the base portion and has a second vertical extension height greater than the vertical extension height of the first and second contact tabs. Each of the three tabs is insertable within the recesses of the insulation spindle in a manner providing for the periphery of the spindle assembly to have a substantially continuous cylindrical surface.

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Patent Owner(s)

Patent OwnerAddress
PERKIN ELMER CORPORATION THEATTN NINA FERREIRA APPLIED BIOSYSTEMS DIVISION 850 LINCOLN CENTRE DRIVE FOSTER CITY CA 94404

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tseng, Tien-Fu 9F-3, No. 218 Kuo Kuang Rd., Taichung, TW 5 34

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