US PATENT SUBCLASS 242 / 579
.~ With material end retainer

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

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
579.~ With material end retainer {8}
580  DF  .~.~> Outer end {1}
581  DF  .~.~> With attractor (e.g., magnet or vacuum)
582  DF  .~.~> Preattached flexible leader
583  DF  .~.~> Adhesive or hook-and-pile fabric
584  DF  .~.~> Material penetrating (e.g., piercing) {1}
585  DF  .~.~> Edge grip pair for strip material
586  DF  .~.~> Clamp {4}
587  DF  .~.~> Apertured {2}

DEFINITION

Classification: 242/579

With material end retainer:

(under subclass 570) Subject matter wherein the coil holder includes means to grip the elongated material at either: (a) the outer material end to temporarily prevent unwinding of the wound material, or (b) the inner material end to insure winding when the coil holder is rotated.

(1) Note. This and the indented subclasses provide for a spindle or spool having a significant material end retainer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

332.7+, for an end retainer combined with winding and

unwinding machine for a convertible information carrier (e.g., tape recorder or film projector).

532.4, and 532.6, for an end retainer combined with convolute winding machine.

SEE OR SEARCH CLASS

492, Roll or Roller, 22+, for a roll or roller with a sheet edge holder.