PAPER- FEED OF SHOCK PRINT DEVICES

This mechanism is for shock print devices built into electronic calculators and electronic cash registers working together with personal or professional computers. It ensures a low level of noise during printing. The mechanism incorporates a main cylindrical shaft (1) connected to a driving device....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MARINOV, FILIP D, ANDREEV, RUMEN P
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	This mechanism is for shock print devices built into electronic calculators and electronic cash registers working together with personal or professional computers. It ensures a low level of noise during printing. The mechanism incorporates a main cylindrical shaft (1) connected to a driving device. Immediately after the printing area, an upper roller (4) is positioned with an axis parallel to the main shaft (1) and pressed to it. The upper roller (4) is compulsion driven by means of a transmission (6) and a friction clutch (5) whose moment of slippage is smaller than the frictional moment created between the paper and the upper roller (4) in relation to its axis and bigger than the frictional moment between the paper and the main shaft (1) in relation to the same axis.