Platen roller sleeved with heat shrinking tube for improved colo

Details Platen roller sleeved with heat shrinking tube for improved colo Platen roller sleeved with heat shrinking tube for improved colo

1996-11-08

1998-08-18

Burr, Edgar S.

Typewriting machines

Platen or platen-moving mechanism

Cylindrical platen

400659, 347220, B41J 11057

Patent

active

057950881

ABSTRACT:
A resistive thermal printer has a platen drive mechanism which includes (1) a thermal printhead having an array of selectively-activatable thermal elements and (2) a rotatably-driven platen roller opposed to the printhead and forming a nip with the printhead through which a receiver medium is driven by the platen roller while the thermal elements are selectively activated. The platen roller has an inner core and an outer sleeve formed of a heat shrunk material. The platen roller includes a compliant layer below the outer sleeve.

REFERENCES:
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patent: 4327366 (1982-04-01), Schafter et al.
patent: 4374223 (1983-02-01), Van Raamsdonk et al.
patent: 4583272 (1986-04-01), Keller
patent: 5021804 (1991-06-01), Nozawa et al.
patent: 5078519 (1992-01-01), Takita et al.
patent: 5244861 (1993-09-01), Campbell et al.
patent: 5245923 (1993-09-01), Vrotacoe
patent: 5673078 (1997-09-01), Wen et al.

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