Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1982-01-21
1983-07-19
Crowder, Clifford D.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 35, B41F 1700
Patent
active
043940943
ABSTRACT:
A data printer prints alphanumeric information on photographic slide mounts. The data printer includes a platform and a pair of parallel guide rails which define a slide track along which slide mounts are advanced. The platform has a printing aperture through which a print head prints alphanumeric characters onto a bottom surface of the slide mount positioned at the printing station. A pair of generally parallel conveyor belts are positioned above the platform and extend along the slide track so that a slide mount at the print station is held between the lower runs of the belt and the platform. A DC electric motor is connected to the conveyor belts through a pulley, and performs two functions: slide mount motion sensing during each cycle and slide mount ejecting at the end of each customer order. The motion sensing function is provided due to the movement of the belts as the slide mount is pushed into the printing station by a subsequent slide mount. The movement of the belts drives the DC motor as an electrical generator. The electric signal produced by the DC motor as a result of belt movement is sensed and used by the control system of the data printer as an indication that the slide mount has advanced into the printing station. When the final slide mount of a customer order has been printed, the DC motor is energized to drive the conveyor belts and thus to drive the slide mount out of the printing station and into a slide mount collecting basket.
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Schultz Michael E.
Simning Robert A.
Crowder Clifford D.
Pako Corporation
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