Patent ID: 7967689
Filing Date: 2011-06-28
Classification: A63J

Abstract:
1. A miniature spooling apparatus, comprising; a housing having a miniature motor attached with the housing, the miniature motor having a shaft extending therefrom, the miniature motor being a micro-motor with a size suitable to allow the miniature motor to be positioned within a cap of a writing pen; a mechanically powered spool attached with the shaft of the miniature motor, the miniature motor being connected with the spool for powering the spool to wind invisible thread around the spool; invisible thread wound around the spool, the invisible thread being a thin, monofilament thread; an integrated circuit connected with the motor and configured to cause the motor to start winding the invisible thread around the spool and also configured to cause the motor to stop winding the invisible thread around the spool; and wherein the integrated circuit is configured to perform an operation selected from a group consisting of turning off the motor if the spool is still for a predetermined amount of time and turning off the motor if the motor is rotating freely for a predetermined amount of time.