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US 4,077,581 AGranted
Paper drive mechanism
AssigneeNCR Corporation
InventorsKim R. Lewis, William H. Corbett
Life of this patent
Estimating the term…
Abstract
Paper or like media, utilized for maintaining a permanent record of printed matter, is driven by a drive roller and is caused to be wound on a spool or core which is swingable from the drive roller as the amount of paper on the spool increases. An "O" ring drive is positioned between a main drive line for intermittent engagement therewith and is connected with the spool for driving thereof.
Claims6
Drive mechanism for advancing record media from a supply spool to a take-up spool, comprising
- drive means,
- means selectively engageable with said drive means and with said take-up spool for effecting drive therebetween, said drive means including clutch mechanism for activating said engageable means in intermittent operation and
- means supporting said take-up sool permitting movement thereof from said engageable means as the diameter of the record media increases on said spool.
Dependencies are inferred from the claim text.