Title:
A woody member
Document Type and Number:
Japanese Patent JP5953075
Kind Code:
B2
Abstract:
Wooden member to be easily joined to another member, with good appearance of decreased size fixation structure for tensile member to improve the load bearing performance. Metal screw members including cylindrical shaft portions having an axial direction through hole and blade spirally protruding from the shaft portion are axially threaded into wooden member at two locations. Groove or hollow hole is between the two screw members, and steel rod extends from the through hole of one of the screw members through the groove or hollow hole into the through hole of the other. Both ends of the steel rod with tensioning force are locked to the screw member by nuts. Cutout recesses are formed in the wooden member, and the screw members are threaded into the wooden member through the recesses and the steel rod is locked to the screw members.
Inventors:
Nakajima Yuki
Junichi Imai
Hiroki Ishiyama
Junichi Imai
Hiroki Ishiyama
Application Number:
JP2012055113A
Publication Date:
July 13, 2016
Filing Date:
March 12, 2012
Export Citation:
Assignee:
Sumitomo Forestry Co., Ltd.
International Classes:
E04C3/18
Domestic Patent References:
| JP10176385A | ||||
| JP6229065A | ||||
| JP2007077611A | ||||
| JP2008255687A | ||||
| JP48007141Y1 |
Attorney, Agent or Firm:
Kiyoshi Miyakawa