Captive screw for electronic devices, has screw captivated on ferrule and collar that does not permit movement of inner annular ring past collar but permits ring passing through of threads of screw through collar

Germany Patent

APP PUB NO DE-102004006381-A1
SERIAL NO

102004006381

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Abstract

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The screw has a ferrule (20) containing an inner annular ring on an interior surface of the ferrule. A screw (40) has a head and a shank to pass through the ferrule and a spring (50) extends on the shank. The screw is captivated on the ferrule between the head and the collar (48). The collar does not permit movement of the ring past the collar but permits the passing of threads of the screw through the collar.

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Patent Owner(s)

Patent OwnerAddress
SOUTHCOUS

International Classification(s)

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Inventor(s)

Inventor Name Address
FRATTAROLA ALBERT J SWARTHMORE PA
CAULFIELD JOSEPH N ASTON PA
WOLF BOYD ROSWELL GA
AUKZEMAS THOMAS V CONCORDVILLE PA 19331
STANDISH III JAMES F KENNETT SQUARE PA

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