Web feed section

Details Web feed section Web feed section

1980-12-04

1983-01-18

Christian, Leonard D.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

With control or adjustment means

226174, 226186, B65H 1722

Patent

active

043688373

ABSTRACT:
In a web feed section comprising a bottom feed roll, a top feed roll, and actuator means for adjusting the contact pressure between said rolls, the improvement wherein the actuator means includes a compression spring operatively connected with the top roll through a lever to transmit its force to the top roll, a disk cam for adjusting the initial stress in the spring, and levers for uncoupling the spring from the top roll when a roll is to be replaced.

REFERENCES:
patent: 3147901 (1964-09-01), Nordman et al.
patent: 3490669 (1970-01-01), Watson
patent: 4029251 (1977-06-01), Johnson

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