Web feed mechanism

Details Web feed mechanism Web feed mechanism

1979-07-27

1980-08-19

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 673R, B65H 1702

Patent

active

042180309

ABSTRACT:
There is described a web feed mechanism having a first drive means that engages the web and urges the web longitudinally in one direction. A second drive means engages the web at a position spaced from the first drive means and upstream thereof, the second drive means including a stepper motor which primarily acts as a brake to lock the web against movement by the first drive means. To advance the web, the stepper motor is stepped through a predetermined number of incremental steps, allowing the web to be advanced a fixed distance by the first drive means.

REFERENCES:
patent: 1606123 (1926-11-01), Hermann
patent: 3094295 (1963-06-01), Ward
patent: 3284017 (1966-11-01), Merrill
patent: 3555774 (1971-01-01), Craig
patent: 3967789 (1976-07-01), Deletzke

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