PRINTING UNIT AND PRINTER

摘要

A printing unit includes a carriage, a printing head mounted on the carriage, a guide pillar configured to support the carriage to be reciprocatingly movable in the front-back direction, a unit frame configured to support the guide pillar to be movable in the left-right direction, and a line-feed mechanism configured to move the carriage in the left-right direction. The line-feed mechanism includes a line-feed plate supported by the guide pillar to be movable in the front-back direction and a guide member configured to engage with the line-feed plate and guide the line-feed plate in the left-right direction together with the guide pillar according to the movement in the front-back direction of the line-feed plate. The line-feed plate includes a forward-path engaging section with which the carriage engages in a process from a forward-path start point to a forward-path end point in the front-back direction and a backward-path engaging section with which the carriage engages in a process from a backward-path start point to a backward-path end point in the front-back direction.

主权项

1. A printing unit comprising:
a carriage; a printing head mounted on the carriage; a guide pillar configured to support the carriage to be reciprocatingly movable in a row direction; a unit frame configured to support the guide pillar to be movable in a column direction orthogonal to the row direction; and a line-feed mechanism configured to move the carriage in the column direction, wherein the line-feed mechanism includes:
a line-feed plate supported by the guide pillar to be movable in the row direction; anda guide member configured to engage with the line-feed plate and guide the line-feed plate in the column direction together with the guide pillar according to the movement in the row direction of the line-feed plate, and the line-feed plate includes:
a forward-path engaging section with which the carriage engages in a process from a forward-path start point to a forward-path end point in the row direction; anda backward-path engaging section with which the carriage engages in a process from a backward-path start point to a backward-path end point in the row direction.