Stitching machine

Details Stitching machine Stitching machine

1979-12-21

1983-06-21

Bell, Paul A.

Elongated-member-driving apparatus

With control means responsive to sensed condition

Work-responsive

227 84, 83205, B27F 721, B27F 723

Patent

active

043890113

ABSTRACT:
A wire stitcher includes a cutter for cutting a length of wire W from a supply thereof and a stitcher head having a former and driver for forming and driving the length of cut wire for binding a set SS of sheets. The length of cut wire which is presented to the head by a wire advancing and cutting mechanism is automatically determined in dependence upon the thickness of the set SS. The mechanism includes a movable gripper block which advances the wire and the cutter is carried on a movable cutter block. The gripper block and the cutter block are biased towards each other by a spring and driven by a common drive cam.

REFERENCES:
patent: Re5696 (1873-12-01), Blake et al.
patent: Re13967 (1915-08-01), Juengst
patent: 1048134 (1912-12-01), Casgrain
patent: 1450164 (1923-04-01), Bates
patent: 3690537 (1972-09-01), Turner et al.
patent: 3753523 (1973-08-01), Perlman

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