Thermal printer
US5801744A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1996 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Jan 31, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal printer is provided which is capable of easily controlling the operations of a carriage and conveyance rollers by only one drive motor thereof and which enables the size and cost to be reduced. A thermal printer including a carriage capable of reciprocatively moving along a platen when a carriage drive shaft is rotated; a thermal head provided for the carriage to oppose the platen; an urging member for urging the thermal head to the platen; a cam portion for separating the thermal head from the platen against the urging force of the urging member when the thermal head has passed a printable range as a result of movement of the carriage; conveyance rollers to be rotated when a roller drive shaft is rotated and arranged to convey a recording medium; a drive motor for rotating the carriage drive shaft and the roller drive shaft; and drive-force transmission device which always transmits the drive force of the drive motor to the carriage drive shaft and which transmits the drive force of the drive motor to the roller drive shaft only when the carriage is moved in either direction and when the thermal head has passed the printable range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.