Incremental printing of symbolic information – Thermal marking apparatus or processes – With transfer medium or driving means therefor
Patent
1999-04-07
2000-02-01
Tran, Huan
Incremental printing of symbolic information
Thermal marking apparatus or processes
With transfer medium or driving means therefor
242571, 2425714, 2425715, 2425739, B65H 7522, B41J 3314
Patent
active
060209062
ABSTRACT:
A demand printer for printing on media includes a ribbon take-up spindle for accumulating spent printing ribbon and facilitating removal of the spent ribbon from the spindle. The spindle has a surface with a protrusion bore formed therethrough. At least one protruding segment extends through the protrusion bore. The protruding segment controllably projects away from the spindle surface for maintaining a space between a portion of the spindle surface and the spent ribbon accumulated on the spindle. A biasing structure is operatively associated with the spindle and the protruding segment for controllably biasedly directing the protruding segment through the protrusion bore in the spindle. A retracting structure is provided for controllably compressing and expanding the biasing means to controllably move the protruding segment through the protrusion bore.
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Patent Abstracts of Japan, vol. 013, No. 143(M-811), Apr. 7, 1989 and JP 63 306147 A(Sony Corp.), Dec. 14, 1988.
Adams Vincent C.
Donato Daniel F.
Ensinger James W.
Hamman William J.
Kaufman Jeffrey R.
Tran Huan
Zebra Technologies Corporation
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