System having a screw

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7472682
APP PUB NO 20070144486A1
SERIAL NO

11607925

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system having a screw structure includes a casing and a self-tapping screw. The casing includes a through hole. The self-tapping screw includes a male thread portion and an unthreaded column portion arranged relative to each other in a longitudinal direction of the self-tapping screw, and is threadably coupled to the casing through the through hole. The through hole includes a large diameter hole portion and a small diameter hole portion. The large diameter hole portion is engaged with the male thread portion. The small diameter hole portion is engaged with the unthreaded column portion. The large diameter hole portion has a longitudinal length shorter than a longitudinal length of the unthreaded column portion.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AISAN INDUSTRY CO., LTD.AICHI5
DENSO CORPORATIONKARIYA-CITY AICHI-PREF10316

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kino, Hisashi Obu, JP 15 77
Tanimura, Hiroshi Kariya, JP 25 75

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