Screw attachment, fastening assembly having screw attachment, and process of releasing fastening assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7699568
SERIAL NO

10851183

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A screw attachment (10, 10', 10'') disposed around a fastening piece (17) secured to a main fastening body (25a), the screw attachment sandwiched between a head (17b) of the fastening piece and a securing object (22) so that the screw attachment bears a securing force of the fastening piece to press the securing object. The screw attachment includes a pair of arms (12, 13) made of a shape restoring material. Each arm has a fore end, and the fore ends are joined to each other with an adhesive material that is softened when heated. The arms expands radially such that the screw attachment is released from the head of the fastening piece when heat or force is applied to the arms.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • NEC TOKIN CORPORATION;SHARP KABUSHIKI KAISHA;TOKAI UNIVERSITY EDUCATIONAL SYSTEM;UNION SEIMITSU CO., LTD.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kagami, Yu Miyagi, JP 4 22
Shindoh, Yoshio Osaka, JP 3 30
Sugiyama, Kazuo Kanagawa, JP 41 607
Takaara, Hideo Miyagi, JP 3 44
Tanigawa, Masanobu Osaka, JP 6 296
Tashima, Tadashi Kanagawa, JP 4 25
Yoshida, Kazunari Kanagawa, JP 32 568

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation