Patent ID: 6702371
Filing Date: 2004-03-09
Classification: A47C

Abstract:
A foldable chair, comprising:a chair frame which comprises: a front supporting frame which comprises a plurality of front frame legs pivotally coupled with each other to form a pivotal â€˜Xâ€™ structure; a pair of side supporting frames, wherein each side supporting frame comprises a first and a second side frame leg pivotally coupled with each other to form a pivotal â€˜Xâ€™ structure; and a back supporting frame which comprises a plurality of back frame legs pivotally coupled with each other to form a pivotal â€˜Xâ€™ structure, and a plurality of rear supporting legs, wherein each of said rear supporting legs has an upper attaching portion; a pair of front frame joints pivotally connecting two upper end portions of said front frame legs and two upper end portions of said first side frame legs respectively; and a pair of back frame joints pivotally connecting two upper end portions of said back frame legs and two upper end portions of said second side frame legs respectively, wherein said pair of rear supporting legs are upwardly extended through said pair of back frame joints respectively; a seat frame which comprises: a fabric supporting frame which comprises at least a first seat supporting bar to define a central opening of said fabric supporting frame, said fabric supporting frame having at least a frame connecting portion and a fabric supporting portion; a seat fabric which has a side edge portion substantially supported by said fabric supporting portion of said fabric supporting frame, and a main portion supported inside said central opening of said fabric supporting frame, said main portion being divided into a seat portion and a back supporting portion; and a detachable seat arrangement which comprises: a plurality of fabric frame holders provided at said upper attaching portions of said rear supporting frames respectively for detachably mounting said fabric supporting frame on said back supporting frame, wherein each of said fabric frame holders has top inclined surface and a pair of side walls upwardly extended therefrom to define an engaging slot for engaging with said frame connecting portion of said fabric supporting frame, said engaging slots having orientations substantially aligned with said frame connecting portions of said fabric supporting frame respectively, so that said seat supporting frame is capable of fittedly engaging with said engaging slots formed on said fabric frame holders respectively so as to hold said back supporting portion of said seat fabric in position; and a pair of securing members provided on said seat frame for detachably mounting said fabric supporting frame onto said front supporting frame, so as to secure said seat frame on said chair frame in a detachable manner.