Printing apparatus with controllable back tension on ink film and transfer film
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United States of America Patent
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Mar 28, 2017
Issued Date -
N/A
app pub date -
Jan 5, 2016
filing date -
Feb 13, 2015
priority date (Note) -
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Abstract
A printing apparatus capable of realizing a high quality printing at low cost is provided. In the printing apparatus, an ink film is wound around and stretched between a first bobbin and a second bobbin, while a transfer film is wound around and stretched between a third bobbin and a fourth bobbin, and the printing apparatus has a platen roller and a thermal head configured to put the ink film and the transfer film into pressed contact, in the transfer operation, and a driving unit configured to move the ink film between the first bobbin and the second bobbin. The driving unit has a motor, a first transmission route portion configured to constantly transmit a torque to the first bobbin, and a second transmission route portion, branching from the first transmission route portion, configured to selectively transmit the torque to the second bobbin.
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