Title:
ROLL BODY HOLDING DEVICE, IMAGE FORMING DEVICE, AND LIQUID DISCHARGE DEVICE
Document Type and Number:
Japanese Patent JP2018150132
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a roll body holding device that can be easily adapted to and hold roll bodies having different inner diameter.SOLUTION: A roll body holding device includes a support shaft, a holding member and a cam member supported so as to be movable in the axial direction of the support shaft, the holding member has a wedge part that abuts on the end part of a first roll body and a plurality of first pressurizing members at a first inner diameter holding part, and has a plurality of second pressurizing members at a second inner diameter holding part. Further, the cam member has a plurality of cam parts which abut on the lower surface of the first pressurizing member or the second pressurizing member and move in a radial direction, and a butting part which abuts on the end part of the second roll body. when fitting the first roll body having a first inner diameter or the second roll body having a second inner diameter larger than the first inner diameter, the holding member and the cam member relatively move by the roll body abutting on the wedge part or the butting part, and the first pressurizing member or the second pressurizing member pressurizes and holds an inner peripheral surface of a hollow shaft of the roll body by the movement of the cam part to the lower surface of the first pressurizing member or the second pressurizing member.SELECTED DRAWING: Figure 5
Inventors:
HONDA RYO
Application Number:
JP2017047158A
Publication Date:
September 27, 2018
Filing Date:
March 13, 2017
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
B65H16/06; B41J15/02
Attorney, Agent or Firm:
Hideki Imai
Fujita Akira
Fujita Akira