Sheet guiding in thermal printer

Details Sheet guiding in thermal printer Sheet guiding in thermal printer

1993-12-16

1995-07-11

Wiecking, David A.

Typewriting machines

Sheet or web

Including sheet guide

40012004, 40012016, 101409, B41J 232

Patent

active

054315034

ABSTRACT:
A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recording paper is wound at the time of the transfer of images for printing; a clamping mechanism for clamping the recording paper between the clamping mechanism and the platen roller; a motor for driving the platen roller through a gear unit; a thermal printing head for transferring images onto the recording paper; a paper feeding roller for feeding the recording paper from the paper cassette to the clamper; paper discharging rollers for discharging the recording paper upon the completion of the transfer of images thereto; and an ink cassette storing an ink sheet inside thereof; in which the clamping mechanism comprises a clamper which is mounted on the platen roller in such a manner as to permit the free movement of the clamper, holds the recording paper by pushing the recording paper onto the platen roller in a first position and also releases the recording paper in a second position so that the paper is guided by the ribbon and printhead.

REFERENCES:
patent: 4679953 (1987-07-01), Sone et al.
patent: 5092698 (1992-03-01), Narui et al.

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