Method and device for preparing, manipulating, and processing a staple wire for stapling sheets in a stapling apparatus

US5938388A · kind A · utility

Assignee

• EASTMAN KODAK COMPANY · US

Inventors

• Helmut Bloser · Lonsee, DE
• Heinz G. Bethmann
• Joachim Buck · Laichingen, DE
• Helmut Funk · Winnenden, DE
• Rolf Hascher · Geislingen, DE
• Juergen Ries · Stuttgart, DE
• Gert Scheufler · Winnenden, DE

Key dates

• Filing date: Mar 19, 1998
• Grant date: Aug 17, 1999
• Expiry date: Mar 19, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/26
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A staple wire supply roll is positioned on a threading-in device that can be moved out of a stapling apparatus, and the leading end of the wire is transported by means of a thread-in transport device, through a flexible guide tube, to a stapling device. A sensor positioned on the stapling device signals the end of the threading-in operation when the leading end of the staple wire passes by. By pushing the threading-in device into the apparatus, the staple wire transport device of the stapling device is set in motion, as a result of which the leading end of the staple wire is transported to a location which positions the leading end of the wire in device. The staple wire is transported, in accordance with the thickness of the sheet stack measured by a sensor, by a stepping motor, which at the same time drives a radial cam unit. The radial cam unit moves a cutting device into a position in which the transported staple wire segment is positioned symmetrically with respect to a shaper and driver of the stapling device and cut, and then shaped into a staple and driven into the sheet stack.