Patent ID: 6302479
Filing Date: 2001-10-16
Classification: A47C

Abstract:
A foldable beach chair, comprising a seat frame and a back frame constructed to support a fabric seat thereon, wherein said seat frame comprises:a pair of front frame legs pivotally connected with each other in cross manner to form a pivotal ""X"" structure;a pair of back frame legs pivotally connected with each other in cross manner to form a pivotal ""X"" structure;two pairs of side frame legs, each pair comprising a first side frame leg and a second side frame leg pivotally connected with each other in cross manner to form a pivotal ""X"" structure;a pair of front lower frame joints for pivotally connecting two lower ends of said two front frames legs with two lower front ends of side frame legs respectively;a pair of back lower frame joints for pivotally connecting two lower ends of said two back frame legs with two lower ends of said side frame legs respectively;a pair of front pivot joints for pivotally connecting two upper ends of said two upper ends of said two front frame legs with two upper back ends of said side frame les respectively;a pair of back upper frame joints for pivotally connecting two upper ends of said two back frame legs with two upper back ends of the said frame legs respectively;a pair of foldable supporting arms each having a pivot end pivotally connected with one of said two crossed side frame legs of said respective pair of side frame legs in such a manner that a supporting end of each of said supporting arms is extended to bias against said other side frame legs of said respective pair of side frame legs when said foldable beach chair is unfolded to stretch out; anda guiding means, adapted for guiding each supporting arm to bias against said side frame legs of said respective pair of side frame legs, comprising a pair of guider arms each pivotally connected to said first side frame leg, a pair of guiding joints each for slidably connecting said second side frame leg of said respective side frame legs with said guider arm, and a pair of supporting joints for slidably connecting said guider arm with said supporting arm, and wherein a bottom surface of each supporting joint is supported by a top surface of said respective guiding joint when said foldable beach chair is in an unfolded state.