Printer
AssigneeToshiba Tec Kabushiki Kaisha
InventorYuji Kawamorita
Life of this patent
Estimating the term…
Abstract
Embodiments described herein are related to a printer including a thermal head, a platen roller, a plurality of biasing members, and an urging force adjustment mechanism. The urging force adjustment mechanism includes a base member, an action member movable in the widthwise direction with respect to the base member and configured to expand or compress the plurality of biasing members, and a plurality of contact members configured to contact the action member and supported by the base member such that contact positions of the contact members on the action member can be varied in the expansion or compression direction of the biasing members, wherein the amount of expansion or compression of the biasing members varies according to the variation of the contact positions.
Claims18
A printer comprising:
- a thermal head extending in a widthwise direction of a strip-shaped material;
- a platen roller facing the thermal head and extending in the widthwise direction;
- a plurality of biasing members arranged apart from each other in the widthwise direction and configured to urge the thermal head against the platen roller by an elastic force made by expansion or compression;
- and
- an urging force adjustment mechanism configured to vary the urging force of the thermal head against the platen roller by varying the amount of expansion or compression of the plurality of biasing members, the urging force adjustment mechanism including:
- a base member;
- an action member movable in the widthwise direction with respect to the base member and configured to expand or compress the plurality of biasing members;
- and
- a plurality of contact members configured to contact the action member and supported by the base member such that contact positions of the contact members on the action member can be varied in the expansion or compression direction of the biasing members.
A printer comprising:
- a thermal head extending in a widthwise direction of a strip-shaped material;
- a platen roller facing the thermal head and extending in the widthwise direction;
- a plurality of biasing members arranged apart from each other in the widthwise direction and configured to urge the thermal head against the platen roller by an elastic force;
- and
- an urging force adjustment mechanism configured to vary an urging force of the thermal head against the platen roller by varying the elastic force of the plurality of biasing members,
- the urging force adjustment mechanism including:
- a base member;
- an action member movable in the widthwise direction with respect to the base member and configured to expand or compress the plurality of biasing members;
- a plurality of contact members configured to contact the action member and supported by the base member;
- and
- at least one of a groove portion and a protruding portion formed on the action member at contact positions of the contact members and configured to vary the amount of the elastic force of the biasing members according to the movement of the action member in the widthwise direction with respect to the base member.
A printer comprising:
- a thermal head extending in a widthwise direction of a strip-shaped material;
- a platen roller facing the thermal head and extending in the widthwise direction;
- a plurality of springs arranged apart from each other in the widthwise direction and configured to urge the thermal head against the platen roller by an elastic force;
- and
- an urging force adjustment mechanism configured to vary the urging force of the thermal head against the platen roller by varying the elastic force of the plurality of springs, wherein the urging force adjustment mechanism includes:
- a base member;
- an action member movable in the widthwise direction with respect to the base member and configured to expand or compress the plurality of springs;
- a plurality of contact members configured to contact the action member, wherein the contact positions of the contact members on the action member can be varied in the expansion or compression direction of the plurality of springs, and the amount of expansion or compression of the plurality of springs varies according to the variation of the contact positions;
- a plurality of support members configured to support the plurality of contact members in the base member;
- and
- a plurality of springs disposed between the plurality of contact members and the plurality of support members and configured to urge the plurality of contact members in the expansion or compression direction of the plurality of spring.
Dependencies are inferred from the claim text.