Title:
【発明の名称】トラス用ボルト
Document Type and Number:
Japanese Patent JP2842783
Kind Code:
B2
Abstract:
A bolt for a truss includes a main body having a head portion, and a shaft portion which extends from the head portion. The shaft portion includes a base portion with a polygonal cross-section at a head portion side of the shaft portion. A threaded portion extends from the base portion, and an annular groove is arranged between the base portion and the threaded portion. A polygonal tube having a polygonal cross-section is engaged with the shaft portion of the main body such that the polygonal tube is slideable and non-rotatable on the base portion. A stopper prevents release of the polygonal tube from the shaft portion, the stopper including a plastic ring having a peripheral surface on which plural engaging protrusions are formed, the ring being integratedly embedded in the annular groove.
Inventors:
KAJINO HIROSHI
IDE MASAAKI
KONDO SHINICHI
KAKEFU TOMYASU
IDE MASAAKI
KONDO SHINICHI
KAKEFU TOMYASU
Application Number:
JP448394A
Publication Date:
January 06, 1999
Filing Date:
January 20, 1994
Export Citation:
Assignee:
AOYAMA SEISAKUSHO KK
International Classes:
F16B35/04; E04B1/19; F16B41/00; (IPC1-7): F16B35/04
Domestic Patent References:
| JP5306549A | ||||
| JP6330562A | ||||
| JP2134102U | ||||
| JP5224700Y2 |
Attorney, Agent or Firm:
Akio Najima (2 others)