Title:
CONVEYING ROLLER, PRINTING DEVICE, AND MANUFACTURING METHOD OF CONVEYING ROLLER
Document Type and Number:
Japanese Patent JP2020179958
Kind Code:
A
Abstract:
To provide a metallic roller which has a high circularity of a cylindrical outer peripheral surface, has a high torsional strength, and is easy to manufacture as a conveying roller for conveying a recording material in a printing device.SOLUTION: In a conveying roller (2) having a cylindrical member (3) made of metal, the cylindrical member (3) comprises a first interface (5) which extends in a radial direction to connect an inner peripheral surface (6) and an outer peripheral surface (7) in a cross section cut by a plane orthogonal to a central axis, and a second interface (8) which is apart from the first interface (5) and extends in the radial direction only in a portion between the inner peripheral surface (6) and the outer peripheral surface (7).SELECTED DRAWING: Figure 2
Inventors:
SATO TOMONORI
NISHINO MAKOTO
YAMAMOTO KIYOSHI
NISHINO MAKOTO
YAMAMOTO KIYOSHI
Application Number:
JP2019083164A
Publication Date:
November 05, 2020
Filing Date:
April 24, 2019
Export Citation:
Assignee:
CANON KK
International Classes:
B65H27/00; B21D5/01; B21D28/00; B21D51/16; B41J13/076; B65H5/06; F16C13/00
Attorney, Agent or Firm:
Chikajima International Patent Office