发明授权
US5696548A Multi-color thermal printer having means for efficiently positioning the drum and inked film simultaneously 失效
多色热敏打印机具有同时有效地定位滚筒和上墨胶片的装置

Multi-color thermal printer having means for efficiently positioning the
drum and inked film simultaneously
摘要:
A transmission device is provided for transmitting an output of a drum motor to a drum on which a sheet of paper is mounted, for driving the drum. The transmission device has a plurality of pulleys and a timing belt. Each of the pulleys has a plurality of grooves to be engaged with projections of the timing belt. The number of the grooves is determined to times of an integer number.
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