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Patent Searching and Data


Title:
JOINT DEVICE BETWEEN MEMBERS FOR CONSTRUCTION
Document Type and Number:
Japanese Patent JP2001173625
Kind Code:
A
Abstract:

To provide a joint device between members excellent in execution workability having high rigidity and strength and generating small displacement and residual displacement relating to extracting force.

A protruded type joint 1 provided in one of the fellow members intended to be connected is fitted to a recessed part of a hollow type joint 2 provided in the other to make connection. The hollow type joint 2 has an outer frame unit 2a having a tapered hole, a wedge unit 3 set up in this tapered hole, and a coil spring 4 energizing the wedge unit 3 toward an insertion port side inserted with the protruded type joint 1. A tapered angle of the wedge unit 3 corresponding to the tapered hole of the outer frame unit 2a is set to 10 degrees or more. A protruded part 1a of the protruded type joint 1 pressed into the hollow type joint 2 is tightened from an external periphery by the wedge unit 3 energized by the coil spring 3, to resist against an extracting load.


Inventors:
MAEJIMA MINORU
ABE YUKIO
IWAHASHI MASAYOSHI
KANEYOSHI AKIHIKO
ISHIKURA YOICHI
FURUKAWA KAZUYOSHI
Application Number:
JP35906199A
Publication Date:
June 26, 2001
Filing Date:
December 17, 1999
Export Citation:
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Assignee:
SUMITOMO METAL IND
KONOIKE CONST
International Classes:
E21D11/04; F16B21/07; (IPC1-7): F16B21/07; E21D11/04
Domestic Patent References:
JPS283755B1
JPH08205354A1996-08-09
JPH048481A1992-01-13
Attorney, Agent or Firm:
Satoshi Hisakado (1 person outside)