Patent ID: 7461470
Filing Date: 2008-12-09
Classification: A43B,A43D

Abstract:
1. A cartridge system kit for adjusting sizing in an article of footwear, the kit comprising: a footbed having a forefoot region and a heel region coupled to the forefoot region, the forefoot and heel regions having a first surface for supporting the wearer's foot, the forefoot region having a second surface opposite the first surface, the second surface including a first connection member, the heel region having an anterior end adjacent the second surface, a posterior end opposite the anterior end and a third surface extending between the anterior and posterior ends thereof for contacting an interior surface of the article of footwear during wear, the heel region including a receptacle therein extending from an opening at the anterior end at least partly toward the posterior end, the footbed being removably insertable into the article of footwear; and a plurality of interchangeable cartridges each having a first section adapted to mate with the forefoot region of the footbed and a second section adapted to connect to the heel region of the footbed, each cartridge including a second connection member for releasably attaching the first section of cartridge to the first connection member of the footbed and a third connection member for insertion into the receptacle of the heel region of the footbed; wherein a user adjusts the volume available to a wearer's foot within a forefoot region of the article of footwear by selecting one of the plurality of cartridges.