DEFORMATION PREVENTION TOOL FOR CHANNEL STEEL CONNECTION PART

Japanese Patent JP2017015110

A

PROBLEM TO BE SOLVED: To provide a deformation prevention tool capable of being applied as means for preventing deformation of a channel steel due to over-tightening of a channel steel bolt at a connection part by the channel steel bolt constituting a rack side frame structure of a framework structure, for example.SOLUTION: This invention relates to a deformation prevention tool 18 applied at a channel steel connection part for connecting the channel steel and another item to each other by a bolt 24 passing through both side plates 15 of channel steel [horizontal rods] 12a. The prevention tool comprises L-shaped member including side walls 20 abutted against outsides of the side walls 15 at one side of the channel steel and bottom wall parts 19 cooperatively arranged at a side closing between both side plates 15 of the channel steel from the side walls 20, the side walls 20 are provided with fixing open holes 22 through which the bolt 24 is inserted and passed, the bottom wall parts 19 are provided with fitting parts 23 fitted between both side plates 15 and for preventing both side plates 15 from being deformed to the direction of being approached to each other.SELECTED DRAWING: Figure 5

JP5995124

It is structure that a bolt with the head should stop loosening.

NAKAMURA YOSHIHIKO
UEDA MAKOTO

JP2015129555A

January 19, 2017

June 29, 2015

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DAIFUKU KK

F16B43/00; A47B47/02; F16B7/18; F16B12/30

JPH07330123A	1995-12-19
JP2005314977A	2005-11-10
JP2007159947A	2007-06-28
JPH07330123A	1995-12-19
JP2005314977A	2005-11-10
JP2007159947A	2007-06-28

Hiroshi Masaki
Yuko Mikami
Tadashi Fujikawa

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