Apparatus for restraining a paper web to be subjected to chopper

Details Apparatus for restraining a paper web to be subjected to chopper Apparatus for restraining a paper web to be subjected to chopper

1991-07-12

1992-10-27

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493444, B65H 4518, B41F 1358

Patent

active

051585243

ABSTRACT:
A chopper-folder for restraining movement of a paper sheet relative to a folding slot as the sheet is conveyed along a path in a rotary printing press. The chopper-folder includes stoppers for stopping the movement of the paper sheet, restraining members for restraining vertical movement of the side edge portions of the paper sheet during the chopper-fold operation, and a driving unit for supporting and simultaneously driving the restraining members and the stoppers to conduct the chopper-fold operation. The stoppers, restraining members and the driving unit are mounted to the chopper-folder in such a manner that they can be easily moved away from the folding slot when jamming occurs during the chopper-fold operation, to facilitate quick and easy correction of the problem.

REFERENCES:
patent: 4545782 (1985-10-01), Niemiro et al.
patent: 4643705 (1987-02-01), Bober
patent: 4995858 (1991-02-01), Stab

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