Method and device for preparing, manipulating, and processing a

Details Method and device for preparing, manipulating, and processing a Method and device for preparing, manipulating, and processing a

1998-03-19

1999-08-17

Fridie, Jr., Willmon

Bookbinding: process and apparatus

Process

412 28, 412 33, 29 13, 59 71, 59 75, B21D 5346

Patent

active

059383887

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.

REFERENCES:
patent: 2910697 (1959-11-01), Mott
patent: 4318555 (1982-03-01), Adamski et al.
patent: 4722467 (1988-02-01), Kunka et al.
patent: 4898314 (1990-02-01), Stroh
Research Disclosure No. 29834, May 1988; Wire Feed Spool Access.

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