Title:
BOLT AND NUT WITH FALLING PREVENTION METAL FITTING
Document Type and Number:
Japanese Patent JP2018179140
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To fasten a bolt and a nut without using a tool, to prevent falling.SOLUTION: A nut A with a falling prevention metal fitting includes a nut 1 with a knob as a fastening side nut. A falling prevention metal fitting U1 comprises a base plate 2, a guide plate 3 and a link mechanism 5. The nut 1 with a knob is held on the guide plate 3. The base plate 2 is attached to the periphery of a bolt insertion hole h. In attaching two members, the nut 1 with a knob is fastened to a fasten side bolt b with a knob N1. The nut 1 with a knob is normally held on the guide plate 3 connected to the base plate 2, thereby preventing falling of the nut.SELECTED DRAWING: Figure 1
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Inventors:
MASUDA TAKASHI
Application Number:
JP2017079572A
Publication Date:
November 15, 2018
Filing Date:
April 13, 2017
Export Citation:
Assignee:
TAKIGEN MFG CO
International Classes:
F16B41/00
Attorney, Agent or Firm:
Hajime Sakai
Masahiro Kurai
Masahiro Kurai