DEVICE FOR SELECTING PRINTABLE CHARACTERS OF ENDLESS PRINTING BANDS IN PRINTER AND PRINTER WITH ENDLESS PRINTING BANDS Russian patent published in 2006 - IPC B41K1/10 B41K1/12 

FIELD: printing machines.

SUBSTANCE: device for selecting printable characters in section of printer stage contains at least one printer stage section and printer frame. Printer stage section contains selector wheel installed on frame for rotation and at least one endless printing band with inner periphery surface and great number of spaced printable characters. Endless band engages with selector wheel to choose one of printable characters of printing band by rotation. Device contains also stop guide formed on frame and provided with at least one beveled surface, movable stop member with elongated guide window for sliding engagement with stop guide,. Flexible section and adjusting boss parts. Movable stop member is made for shifting into engagement position and is provided with at least one beveled surface corresponding to beveled surface of stop guide. If movable stop member is misaligned, beveled surfaces of movable member and stop guide are not aligned which prevents engagement of movable stop member and stop guide and incorrect assembling. Stop support member shifts movable stop member into engagement position, and drive projections formed on inner peripheral surface of endless printing band are arranged to provide selection of one of printable characters on printing band by means of selector wheel at its rotation. Adjusting unit is installed for rotation on frame, either clockwise or counterclockwise at movement of endless printing band to set printable characters in printing position.

EFFECT: prevention of contamination owing to idle rotation of selector wheels and incorrect assembling, improved reliability and high manufacturability.

14 cl, 11 dwg