Combined pin feed and pressure roll forms advancement apparatus

Details Combined pin feed and pressure roll forms advancement apparatus Combined pin feed and pressure roll forms advancement apparatus

1976-11-23

1978-02-07

Wright, Jr., Ernest T.

Textiles: fiber preparation

B41J 1500

Patent

active

040722252

ABSTRACT:
A high speed printer wherein sheets of continuous forms are fed to the print station by a pin feed sprocket type mechanism drivingly engaging marginally punched holes in the sheets. Each sheet is accurately moved past the print station during print time under control of a pressure feed roll mechanism the operating characteristics of which are independent of the relative position or physical condition of the marginal holes engaged by the sprocket. This sprocket and pressure feed roll coaction results in precision alignment as among printing lines within a sheet being advanced through a high speed printer.

REFERENCES:
patent: 2664988 (1954-01-01), Metzner
patent: 3285164 (1966-11-01), Malavazos
patent: 3308919 (1967-03-01), Cunningham
patent: 3323700 (1967-06-01), Epstein et al.
patent: 3421612 (1969-01-01), Pitt

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