Title:
ブラインドボルトおよびブラインドナット
Document Type and Number:
Japanese Patent JP3532559
Kind Code:
B1
Abstract:
A blind bolt and a blind nut which can reduce the number of components and production costs, require no support shaft penetrating therethrough, roratably support a locking piece and a nut thereof having a remarkably readily-processible structure, and support them against failure to obtain a higher fastening strength. The blind bolt includes a bolt main body 2 having an oblong hole 22. and a locking piece 3 rotatably supported within said oblong hole 22. The locking piece 3 is provided with a pair of rotary protrusions 35 and a pair of piece holding protrusions 36, projecting outwardly, respcetively. Said oblong hole 22 includes a pair of rotation supporting grooves 27 to accommodate said rotary protrusions 35 and support rotary motion, and a pair of piece, holding grooves 28 to accomodate said piece holding protrusions 36.
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Inventors:
伊藤 勝夫
Application Number:
JP2003207794A
Publication Date:
May 31, 2004
Filing Date:
August 19, 2003
Export Citation:
Assignee:
光洋器材株式会社
International Classes:
F16B5/02; F16B35/04; F16B13/08; F16B35/00; (IPC1-7): F16B35/04
Attorney, Agent or Firm:
佐川 慎悟