Patent ID: 11964505
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A method of applying uniform tension to an ink ribbon in a printer, comprising:
setting by a shaft-shaped member a path of an ink ribbon from a supplying shaft to a winding shaft at least on a downstream side between an upstream side and the downstream side in a conveying direction at a position where a thermal head and a platen face each other with a recording medium interposed therebetween, the ink ribbon being hung around the shaft-shaped member;
movably supporting at least one end portion of the shaft-shaped member in a direction in which a tension of the ink ribbon varies;
varying an output of paired strain detection components provided at both end portions of the shaft-shaped member according to a strain of the shaft-shaped member; and
controlling movement of the shaft-shaped member in a direction in which a difference in output between the paired strain detection components decreases.