| 主权项 |
1. A foldable chair comprising:
a seat frame unit (2); a leg frame unit (3) including two spaced-apart leg frames (31) respectively and pivotally connected to a bottom side of said seat frame unit (2), said leg frame unit (3) being pivotable relative to said seat frame unit (2) to change between an unfolded use state and a folded state; and a leg frame assembling unit (4) to assemble said leg frames (31) on said seat frame unit (2), and including at least one first resilient fastener (41) disposed inside one of said leg frames (31), and at least one first pusher (42) disposed on said seat frame unit (2) proximate to said first resilient fastener (41), said first resilient fastener (41) having a first locking head (411) that extends through said one of said leg frames (31) and said seat frame unit (2) to immobilize said one of said leg frames (31) in said unfolded use state, said first pusher (42) having a first protruding portion (421) aligned with said first locking head (411), said first pusher (42) being pressable to enable said first protruding portion (421) to push said first locking head (411) such that said first locking head (411) is retracted inwardly from said seat frame unit (2), thereby releasing said one of said leg frames (31) from said unfolded use state relative to said seat frame unit (2); wherein said seat frame unit (2) includes a seat frame (21), said seat frame (21) having spaced-apart left and right seat frame rods (211, 212) and front and rear seat frame rods (213, 214) respectively interconnecting front ends and rear ends of said left and right seat frame rods (211, 212), said seat frame unit (2) further including two pairs of first pivot seats (22), each pair of said first pivot seats (22) being connected to a bottom side of a respective one of said left and right seat frame rods (211, 212) and being pivoted to a respective one of said leg frames (31), said leg frames (31) being spaced apart from each other in a left-right direction, each of said leg frames (31) having two leg frame rods (311) that are spaced apart from each other in a front-rear direction and that are respectively inserted into and connected pivotally to one pair of said first pivot seats (22), said first resilient fastener (41) being disposed inside one of said leg frame rods (311) and having said first locking head (411) extending through said one of said leg frame rods (311) and a corresponding one of said first pivot seats (22); and wherein said leg frame assembling unit (4) further includes a pivot shaft (43) that extends through and interconnects pivotally said one of said first pivot seats (22) and said one of said leg frame rods (311), said first pusher (42) further having a plate portion (422) that is disposed over an outer surface of said one of said first pivot seats (22) and that has one end attached to said pivot shaft (43) and another end formed with said first protruding portion (421), and one of said leg frame rods (311) and said one of said first pivot seats (22) respectively having locking holes (315, 221) that are aligned with each other for extension of said first locking head (411), said first protruding portion (421) being extendable into said locking hole (221) in said one of said first pivot seats (22) to retract said first locking head (411) into said one of said leg frame rods (311) when said first pusher (42) is pressed. |
