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A foldable frame assembly comprises a first frame, a second frame, a coupler, a hollow bracket, a ferrule, a hollow snap fastener, and a socket pipe. The socket pipe is disposed on the lower end of the first frame. The socket pipe has a plurality of round holes. A hollow press plate is fastened on t

A foldable frame assembly comprises a first frame, a second frame, a coupler, a hollow bracket, a ferrule, a hollow snap fastener, and a socket pipe. The socket pipe is disposed on the lower end of the first frame. The socket pipe has a plurality of round holes. A hollow press plate is fastened on the lower end of the first frame. The hollow press plate has a snap hole and a bevel. The ferrule is disposed on the hollow bracket. The hollow snap fastener is inserted in the ferrule. An elastic element is inserted in the hollow snap fastener. A hollow seat is inserted in the hollow bracket beneath the elastic element. The upper end of the second frame is inserted in the hollow seat. The coupler has a slot and two parallel lugs. A plurality of through holes are formed on the coupler. An upper portion of the second frame is inserted through the slot. The socket pipe is positioned between the parallel lugs.

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A foldable frame assembly comprising: a first frame having a lower end, a socket pipe disposed on said lower end of said first frame, a hollow press plate is fastened on said lower end of said first frame horizontally, said hollow press plate has a snap hole and a bevel, a second frame with a hollow

A foldable frame assembly comprising: a first frame having a lower end, a socket pipe disposed on said lower end of said first frame, a hollow press plate is fastened on said lower end of said first frame horizontally, said hollow press plate has a snap hole and a bevel, a second frame with a hollow bracket affixed near an upper end of said second frame, a ferrule disposed on said hollow bracket, a hollow snap fastener inserted in said ferrule, a hollow seat disposed in said hollow bracket, said upper end of said second frame is received in said hollow seat, a coupler includes a slot and two parallel lugs, a plurality of through holes are formed on said coupler, said upper end of said second frame is inserted through said slot of said coupler and secured thereto, said socket pipe is positioned between said parallel lugs, and said hollow snap fastener is received in said snap hole wherein said socket pipe is pivotally connected to said coupler, thereby allowing said first frame to pivot with respect to said second frame, said bevel of said press plate depresses said snap fastener as said first frame and said second frame are pivoted, said snap hole of said press plate receives said fastener as said first and second frames are pivoted from a closed position to an extended position, thereby locking said first and second frames together in said extended position.