Sheet guide positioning apparatus

An apparatus for positioning a pair of sheet guides for guiding a conveyed sheet therebetween. A pair of operation cylinders moves the pair of sheet guides toward and away from each other so as to contact the sheet. A pair of preset blocks is supported onto a screw rod including portions having mutu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAMIMURA, TADAO
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PACKING PERFORMING OPERATIONS PUNCHING METAL STORING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	An apparatus for positioning a pair of sheet guides for guiding a conveyed sheet therebetween. A pair of operation cylinders moves the pair of sheet guides toward and away from each other so as to contact the sheet. A pair of preset blocks is supported onto a screw rod including portions having mutually opposite threads thereon so that they are engaged with the corresponding opposite threads so as to move toward or away from each other along the screw rod according to the direction in which the screw rod is rotated by a motor. Each preset block includes a radial engagement protrusion. A positioning cylinder is provided to each sheet guide. The positioning cylinder includes an actuated piston which is engaged with the radial engagement protrusion at its protruded position to position the corresponding sheet guide at the desired position.