Title:
ROLLER CHAIN AND LOOPER
Document Type and Number:
Japanese Patent JP2017067145
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce slide between a connection pin and outer and inner plates to prolong a service life of a roller chain.SOLUTION: A roller chain according to this invention is a roller chain configured by connecting an inner link in a longitudinal direction of a chine with a connection pin through an outer plate, the inner link including a pair of inner plates, two cylindrical bushes disposed between the inner plates, and a roller disposed outside the bush in a rotatable manner, where at one end of the connection pin, a cutout part is formed, and a hole of the outer plate engaged with the one end of the connection pin has a shape corresponding to the cutout part of the connection pin.SELECTED DRAWING: Figure 2
Inventors:
TSUCHIYA SHO
FUJIWARA MITSUO
ISE KENJI
FUJIWARA MITSUO
ISE KENJI
Application Number:
JP2015192069A
Publication Date:
April 06, 2017
Filing Date:
September 29, 2015
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
F16G13/06; B21C49/00; B21L9/06
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori