Printing – Rolling contact machines – Bed-and-cylinder
Patent
1981-09-28
1987-03-24
Coven, Edward M.
Printing
Rolling contact machines
Bed-and-cylinder
101285, B41F 304
Patent
active
046516425
ABSTRACT:
A credit card imprinter is disclosed herein in which printing of the sheet is inhibited or prevented if the credit card is inadvertently incorrectly positioned on its support. The imprinter has a manually-operated printing carriage movable along a support member on which a sheet can be arranged to overlie an embossed credit card. In one embodiment a combined detent and trip mechanism is provided to prevent movement of the printing carriage over the support member and to raise a printing roller in the carriage away from the support member. The mechanism is disabled by the correct insertion of the credit card. In another embodiment, a resilient means is provided for preventing the sheet from being positioned on the support unless the credit card has been properly positioned thereon.
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patent: 3572242 (1971-03-01), Friend
patent: 3618517 (1971-11-01), Allport
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patent: 3945316 (1976-03-01), Thomas et al.
Caybourn, IBM Tech. Discl. Bulletin, vol. 20, No. 11A, Apr., 1978, pp. 4563-4564.
Coven Edward M.
National Business Systems Inc.
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