Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-03-19
1987-10-20
Jillions, John M.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 754, 235 58CF, 400614, B65H 1606, B65H 1814
Patent
active
047009063
ABSTRACT:
An improved control unit is provided in the form of a compact and relatively simple add-on kit for use with calculators, adding machines and the like requiring use of paper tape in roll form. The paper tape control unit supplies the paper tape to the associated machine and rewinds that tape in a continuously controlled manner while permitting relatively easy periodic reversal of tape motion for review purposes. The control unit includes supply and take-up reels driven together by a drive belt adapted for sufficient slipping motion to accommodate diametric size changes in the reels as the tape is unwound and wound with respect thereto. An adjustable platen is supported by the control unit in a position for passage of imprinted tape thereover to facilitate placement of manual edits or notations prior to winding of the tape onto the take-up reel. A relatively simple locking assembly is provided for locking the supply reel against rotation while permitting manual reversal of take-up reel rotation to draw off paper tape from the take-up reel for review purposes without creating undesirable slack in the tape supplied from the supply reel.
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