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Patent Searching and Data


Title:
TAKE-UP DEVICE, AND RECORDING DEVICE
Document Type and Number:
Japanese Patent JP2014040015
Kind Code:
A
Abstract:

To provide a take-up device which automatically corrects a tension of a conveying direction applied to a recording medium so that the tension becomes uniform at a left and right side in a width direction of the recording medium.

A take-up device includes: a take-up shaft to wind a roll-shaped recording medium P1; a plurality of attachment members 14 which includes holding means 21 to hold the recording medium P1 and attaches a vicinity of a tip of the recording medium P1 thereto; and a torque limiter. When the recording medium P1 has different sizes of sagging at a left and right side in a width direction, the attachment member 14 rotates to eliminate sagging at a different timing at the left and right side in the width direction and generates tension, and the torque limiter maintains a torque constant when the torque corresponding to the tension reaches a predetermined value or higher.


Inventors:
YAMAGUCHI TOSHIAKI
Application Number:
JP2012182390A
Publication Date:
March 06, 2014
Filing Date:
August 21, 2012
Export Citation:
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Assignee:
CANON KK
International Classes:
B41J15/16; B65H18/08; B65H23/02
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata