Ribbon shifting device of printer

Abstract

Abstract PURPOSE: To reduce the load in action and noises by a method wherein a link for regulating the rotational direction is fitted to a lever driven by a solenoid and a ribbon guide part is engaged with the other end of the link, while a cam being engaged with the intermediate part of the link. CONSTITUTION: The link 7 is fitted to the tip of the lever 5 driven by the solenoid 2, rotatably around an axis 5a, while the side of the tip part of the link 7 is regulated in the vicinity of a link guide 8 so that it can move only upward and downward. In the intermediate part of the link 7 a roller 9 projected inward is provided, which is engaged with a groove cam 11 having a groove 12, and the cam 11 is driven by a pulse motor 10. At the tip of the link 7 a retaining part 17 for a cartridge 16 is formed, and the cartridge 16 is fitted rotatably around an axis part 21 formed on the lateral surface of the cartridge 16. COPYRIGHT: (C)1981,JPO&Japio

Inventors

• 👤 Mamoru Takezawa

Bibliographic Details