Retraction mechanism for a smoking material lighter

Details Retraction mechanism for a smoking material lighter Retraction mechanism for a smoking material lighter

1996-07-11

1998-08-04

Price, Carl D.

Combustion

Combined

242381, F23Q 232

Patent

active

057884781

ABSTRACT:
A retraction mechanism for a lighter includes a case with a pinion rotatably mounted therein. A spool is attached to the pinion and a cord, for attaching to the lighter, is wound onto the spool. A spring is provided to rotate the pinion in a direction which winds the cord onto the spool. A rack has teeth that engage teeth on the pinion so that the rack moves linearly with rotation of the pinion. A cylinder body with an aperture is located within the case and a piston, attached to the rack, is within the aperture thereby defining a cylinder chamber which varies in size as the piston moves within the aperture. A passage in the piston allows air to flow between the cylinder chamber and the interior of the case as the cylinder chamber varies in size. The passage has an orifice which changes in size with movement of the piston within the cylinder body, thereby providing a device which dampens winding and unwinding of the cord about the spool.

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