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US 5,842,795 AGranted
Printer with drive mechanism
AssigneeSeiko Epson Corporation
InventorsHiroshi Narita, Noboru Otsuki
Life of this patent
Estimating the term…
Abstract
A printer including a driving shaft having first, second and third worms for feeding a recording paper, advancing a printing ribbon, and moving a carriage, respectively. The third worm for moving the carriage may be replaced by a belt. The driving shaft may include two separate portions, with the first, second and third worms connected to ends of the separate portions. The driving shaft may be rotatably supported adjacent the first, second and third worms.
Claims15
A printer comprising:
- a print head for printing a recording medium;
- a carriage on which the print head is mounted;
- a carriage moving mechanism for moving the carriage in a first direction;
- a recording media feeding mechanism for transporting the recording medium in a second direction traversing the first direction;
- a motor having a motor shaft;
- and
- a transmission which transmits a rotation force of the motor shaft commonly to at least the carriage moving mechanism and the recording media feeding mechanism, the transmission comprising:
- a driving shaft;
- a first sub-transmission which transmits the rotation force of the motor shaft to the driving shaft;
- a second sub-transmission which transmits a rotation force of the driving shaft to the recording media feeding mechanism, the second sub-transmission comprising a worm fixed to the driving shaft;
- and
- a third sub-transmission which transmits the rotation force of the driving shaft to the carriage moving mechanism.
9 more elements
Dependencies are inferred from the claim text.