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Title:
HOOK OF SUSPENSION CHAIN FOR TEMPORARY CONSTRUCTION
Document Type and Number:
Japanese Patent JP2014001578
Kind Code:
A
Abstract:

To provide a hook of a suspension chain for a temporary construction, capable of imparting sufficiently large strength to prevent a link from coming off from a cutout recess to a slip-off prevention member formed by bending a linear member.

A hook 12 provided in a suspension chain for suspending a temporary construction is configured by arranging a slip-off prevention member 20 having a spring characteristic in a hook body 13 in which a cutoff recess 14 for inserting and locking a link 11A of the suspension chain in order to prevent the link 11A from coming off from the cutoff recess 14, while closing an opening 14A of the cutoff recess 14. An extended part 20D, which is a part on which a tensile force acts when the link 11A is going to get out of the cutoff recess 14 and hits against the slip-off prevention member 20, is provided in the slip-off prevention member 20 which is a bent product of a linear member and has bent ends 20A, 20B as a rotation center part.


Inventors:
Takamiya, Akiyoshi
Nagumo, Takashi
Matsuyama, Kazuaki
Application Number:
JP2012000138356
Publication Date:
January 09, 2014
Filing Date:
June 20, 2012
Export Citation:
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Assignee:
HORY CORP
International Classes:
E04G7/04; E04G3/22; F16B45/00; F16B45/02; B66C1/36
Domestic Patent References:
JP2004245396A2004-09-02
JP2002031122A2002-01-31
JPS4821259Y11973-06-20
JP2000104399A2000-04-11
JPS57203071U1982-12-24
JPS4916650U1974-02-12
JPH0673059U1994-10-11
Foreign References:
US5913479A1999-06-22
US3501817A1970-03-24
Attorney, Agent or Firm:
安藤 武