US PATENT SUBCLASS 242 / 332.8
.~.~.~ Slotted spool

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

324  DF  UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13}
332  DF  .~ Including threading {5}
332.7  DF  .~.~ Having carrier to spool attachment means {1}
332.8.~.~.~ Slotted spool

DEFINITION

Classification: 242/332.8

Slotted spool:

(under subclass 332.7) Subject matter wherein the take-up coil is wound on a coil support, typically a spool or similar device, having an elongated slit into which the carrier is received and held.

SEE OR SEARCH THIS CLASS, SUBCLASS:

532.6, and 587+, for an apertured take-up to facilitate a connection between the take-up and a material to be wound thereon.