Foldable furniture device

A foldable furniture device comprising;

• a main frame;
• first and second leg frames connected pivotably to each other to move between a folded state and an unfolded state, each of said first and second leg frames having a top end pivotally connected to said main frame, said second leg frame including an elongate slot that extends along a longitudinal direction of said second leg frame and that has a first end proximate to said top end of said second leg frame, and a second end distal from said top end of said second leg frame;
• a slide rod inserted into and movable within said second leg frame;
• a securing unit for connecting said second leg frame to said main frame, and having a fastening element that extends through said slot and said slide rod and fixed to said main frame, said securing unit being operable to slide said fastening element to said first end of said slot in said unfolded state, and to said second end of said slot in said folded state, said securing unit further moving said slide rod along with said fastening element;
• and
• a locking unit associated at least with said slide rod to lock said slide rod against movement when said fastening element moves to said first end of said slot.