Drawing roller drive

Details Drawing roller drive Drawing roller drive

1995-12-22

1997-10-28

Stodola, Daniel P.

Advancing material of indeterminate length

Plural material-moving means

With means to independently vary mover speed

226178, 226188, 475214, B41F 1302, B65H 23192

Patent

active

056809794

ABSTRACT:
A drawing roller drive for the conveyance of a web in a rotary printing press utilizes a differential gear to accomplish a very exact change in the speed of the drawing roller. A single drive shaft and a single power take-off shaft are aligned coaxially with respect to each other. The differential gear arrangement includes a ball race gear and a downstream tension shaft gear.

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patent: 3727474 (1973-04-01), Fullerton
patent: 3739658 (1973-06-01), Scheiter
patent: 3792629 (1974-02-01), Applebury
patent: 3808913 (1974-05-01), Gilbert et al.
patent: 5318486 (1994-06-01), Lutz
patent: 5480362 (1996-01-01), Tanaka et al.

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