Title:
FIXING SCREW FOR QUICK CONNECTION OF EXTERIOR JOINT DEVICE
Document Type and Number:
Japanese Patent JP3847276
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fixing screw for quick connection of an exterior joint device.
SOLUTION: This fixing screw is to be driven into a construction hole in a concrete wall or a wall panel of other construction material. Male threads are provided in an outer surface of the fixing screw, an axial direction through hole is provided inside a body, and an action zone to be provided for effect of a tightening tool is provided at a rear end of the axial direction through hole. A middle step adjoining the action zone is set as a position limiting hole part provided with a taper angle, its inner diameter is gradually increased forward, and a front hole part of a relatively large hole diameter is provided at a front end of the position limiting hole part. A spring is contained in the front hole part, and it is closed with a plug to prevent the spring from resiliently getting out. In this structure, after the fixing screw is driven into the construction hole, an exterior joint bolt can be quickly driven to connect the exterior joint device.
Inventors:
Yellow Lord
Application Number:
JP2003163774A
Publication Date:
November 22, 2006
Filing Date:
June 09, 2003
Export Citation:
Assignee:
Kuka Industrial Co., Ltd.
International Classes:
E04B1/41; F16B37/04; F16B37/12; (IPC1-7): F16B37/04; E04B1/41; F16B37/12
Domestic Patent References:
| JP2001182170A | ||||
| JP7317746A | ||||
| JP2001349317A | ||||
| JP6069428U | ||||
| JP2072808U | ||||
| JP49030780U | ||||
| JP2000130424A | ||||
| JP7317743A | ||||
| JP47043651A |
Attorney, Agent or Firm:
Matsuji Takemoto
Hideo Sugiyama
Koichi Yuda
Uozumi Takahiro
Naohiko Teshima
Hideo Sugiyama
Koichi Yuda
Uozumi Takahiro
Naohiko Teshima