Title:
PINCH ROLLER SUPPORTING STRUCTURE
Document Type and Number:
Japanese Patent JP2021196041
Kind Code:
A
Abstract:
To provide a pinch roller supporting structure in which an easily detachable snap pin can be used and the snap pin is prevented from contacting with a medium due to rotations of a shaft.SOLUTION: A pinch roller supporting structure is equipped with a spindle 35 that penetrate an axis portion of a pinch roller 12, a left side arm 33 and a right side arm 34 (a pair of pinch roller supporting arms) that support the spindle 35 while being penetrated by both end portion of the spindle 35, and a coming-off preventive structure 41 that regulates the axial movement of the spindle 35. The coming-off structure 41 includes a projecting portion 35a of the spindle 35, a through-hole of the spindle 35, and a snap pin 42 that has a first pin portion 42a inserted in the through-hole and a second pin portion 42b engaged on an outer surface of the projecting portion 35a. The left side arm 33 adjacent to the snap pin 42 is equipped with first and second stoppers 44 and 45 opposing to a tip end portion of the first pin portion 42a from both sides in a circumferential direction of the pinch roller 12.SELECTED DRAWING: Figure 3
Inventors:
SEKIGUCHI YUZURU
Application Number:
JP2020105091A
Publication Date:
December 27, 2021
Filing Date:
June 18, 2020
Export Citation:
Assignee:
GRAPHTEC KK
International Classes:
F16C35/02; B41J11/66; F16B21/12; F16B21/18; F16C13/04; F16C23/04
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa