CPC B65H 75/4471 (2013.01) [B65H 75/4428 (2013.01); B65H 75/4486 (2013.01); B65H 75/48 (2013.01); E01F 13/028 (2013.01)] | 9 Claims |
1. An apparatus comprising:
a housing;
a rotatable spool disposed within the housing;
a belt at least partially wound onto the spool;
a motorized retraction mechanism disposed within the housing, coupled to the spool, and configured to cause rotation of the spool in a first direction for winding the belt onto the spool;
a tensioning mechanism disposed within the housing, coupled to the spool, and configured to prevent over-rotation of the spool in a second direction opposite the first direction while the belt is being dispensed from the spool; and
a rotatable dispensing nozzle disposed on an opening in the housing, wherein the belt passes through the rotatable dispensing nozzle as it is wound on or dispensed from the spool.
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