Collapsible chair

Abstract

A collapsible chair has a frame and a soft panel attached to the frame. The frame has a pair of front legs, rear legs, seat bars, sleeves, backrest bars, armrest bars, front scissoring bars, slide blocks, rear scissoring bars, backrest adjustment devices each having at least one positioning pin securely formed on one joint and one corresponding guiding groove being securely fixed to each armrest bar and having a plurality of notches for accommodating each positioning pin, and a latch having two pivotally linking poles each pivotally linked to one of the two rear scissoring bars. The collapsible chair is simply operable and the backrest portion of which is simply adjustable with a user sitting on a seat portion thereof.

1 . A collapsible chair comprising a frame and a soft panel attached to the frame; the soft panel having a backrest portion and a seat portion; the frame having a pair of front legs each having an upper end, a pair of joints to each of which the upper end of one of the pair of front legs pivotally linked, a pair of rear legs each having an upper end pivotally linked to one of said joints, a pair of seat bars each pivotally linked to respective front leg with a pin, a pair of sleeves each pivotally linked to one of the two seat bars and each slidably containing one rear leg, a pair of backrest bars each pivotally linked to respective seat bar with a link, a pair of armrest bars each having a rear end pivotally linked to each backrest bar, a pair of front scissoring bars lower ends thereof being respectively pivotally linked to the lower end of each front leg and upper ends thereof being respectively pivotally linked to a front end of each seat bar, a pair of slide blocks each being able to slide along respective backrest bar, a pair of rear scissoring bars lower ends thereof being respectively pivotally linked to a rear end of each seat bar and upper ends thereof being respectively pivotally linked to each slide block, a pair of backrest adjustment devices each having at least one positioning pin securely formed on one joint and one corresponding guiding groove being securely fixed to each armrest bar and having a plurality of notches for accommodating each positioning pin, and a latch having two pivotally linking poles each pivotally linked to one of the two rear scissoring bars.