Sheet feed shaft

A sheet feed shaft is provided wherein mutually opposed spike-shape projections are formed throughout the whole surface of a metallic rod. A rotational angle of a metallic rod (1) is controlled to form a plurality of spike-shape portions whose bristled directions are opposite to each other while sup...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUKADA SAKAE, TSUKADA EIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY CONVEYING CORRECTION OF TYPOGRAPHICAL ERRORS ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MAGNETOGRAPHY MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PACKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRINTING PUNCHING METAL SELECTIVE PRINTING MECHANISMS STAMPS STORING TRANSPORTING TYPEWRITERS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A sheet feed shaft is provided wherein mutually opposed spike-shape projections are formed throughout the whole surface of a metallic rod. A rotational angle of a metallic rod (1) is controlled to form a plurality of spike-shape portions whose bristled directions are opposite to each other while supporting the metallic rod at both ends thereof and a pair of punch units (24) each having a pair of perforating edges (28) arranged orderly in an axial direction of the metallic rod (1) are reciprocated with respect to a circumferential surface of the metallic rod (1) simultaneously from both sides of the metallic rod to perforate the circumferential surface of the metallic rod, the metallic rod being allowed to rotate step by step in a successive manner during the perforating work.