Sheet clamping device

Details Sheet clamping device Sheet clamping device

1980-10-23

1983-06-28

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

By means to convey sheet

101411, 271 4, 271277, 346138, B65H 512, B65H 514

Patent

active

043901760

ABSTRACT:
A sheet clamping device is provided which is used to clamp both the leading and the trailing end of a sheet while the sheet is being disposed around the peripheral surface of a drum rotating in a given direction. The drum is provided with a front and a rear claw which are adapted to clamp the leading and the trailing end of the sheet, respectively, and which are urged to bear against the peripheral surface of the drum. The claws are operated to open or close in response to respective claw operating means. After a sheet has its leading end clamped to the drum surface by means of the front claw, combing urges the sheet against the drum surface while combing it, and the trailing end of the sheet is clamped to the drum by means of the rear claw.

REFERENCES:
patent: Re19591 (1935-05-01), Crafts et al.
patent: 1803133 (1931-04-01), Ranger
patent: 4033575 (1977-07-01), Fujimoto
patent: 4252307 (1981-02-01), Korte
patent: 4280693 (1981-07-01), Matsuhisa et al.

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