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Patent Searching and Data


Title:
EARTH TERMINAL AND CONNECTING STRUCTURE OF EARTH TERMINAL
Document Type and Number:
Japanese Patent JP2013177939
Kind Code:
A
Abstract:

To enable easy confirmation of completion of bolt fastening of an earth terminal, with simple structure.

An earth terminal is fastened to earth material, by inserting a bolt with a washer part or a bolt assembled with a washer to a bolt head part lower face, into a bolt hole. A piece cut and raised from a flat plate of an electric contact part is subject to bending processing to form a hammering sound generation piece, the hammering sound generation piece has a folded part urged downward through a folding starting point after it is projected upward and bent from the flat plate, a tip of the folded part is inserted into an opening formed by cutting and raising as a hammering sound point, a folding starting point is positioned to be in contact with a peripheral edge of the washer, a lower face peripheral edge part of the washer pushes down the folding starting point and pushes up the hammering sound point at an intermediate stage of bolt fastening, a washer is removed from the folding starting point at the completion of fastening at a true position of the bolt, and the hammering sound point is elastically restored and passes through the opening to be hammered against an earth material upper face and generate sound.


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Inventors:
OTSUKI HIROYUKI
Application Number:
JP2012042656A
Publication Date:
September 09, 2013
Filing Date:
February 29, 2012
Export Citation:
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Assignee:
SUMITOMO WIRING SYSTEMS
International Classes:
F16B31/02; F16B41/00
Attorney, Agent or Firm:
Kazumi Owada