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Title:
CONNECTING STRUCTURE OF STRUCTURAL MEMBER
Document Type and Number:
Japanese Patent JP2010230137
Kind Code:
A
Abstract:

To provide connecting structure preventing loosening of a fitting state of connecting structure caused by difference in thermal expansion coefficient of material constituting structure and thereby to prevent thermal stress breakage of connecting structure portion, in connecting structure by fitting of structure used under an environment where temperature difference is large.

The connecting structure includes: structural member having a square opening part in a fitting portion; and a shaft member having a square cross-sectional surface in at least the fitting portion. The square cross-sectional part of the shaft member is inserted and fitted in a square opening part of the structural member. In the connecting structure, at least one perforated part is disposed at the fitting portion of the shaft member, and at least one thermal expansion compensation member is inserted and disposed into the perforated part.


Inventors:
TACHIBANA MASAHARU
NAKAGAWA TAKAO
Application Number:
JP2009080800A
Publication Date:
October 14, 2010
Filing Date:
March 30, 2009
Export Citation:
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Assignee:
ACROSS CORP
International Classes:
F16B7/20; F16B1/02; F27D5/00
Domestic Patent References:
JP2000230543A2000-08-22
JPS63158308A1988-07-01
JP2001105310A2001-04-17
Attorney, Agent or Firm:
Yuzo Yamazaki
Naoto Sugiyama
Shirogane Expo
Toshiaki Akamatsu
Okuko Masako
Ono Wataru
Tadao Naito
Katsuaki Tsunemitsu
Asako Ando
Hirofumi Higashino