Patent ID: 7267358

Claim:
A foldable frame comprising: first and second support rods which are spaced apart from each other; a first bar having a first end connected pivotally to said first support rod and a second end opposite to said first end; a second bar having a first end connected pivotally to said second support rod and a second end connected pivotally to said second end of said first bar, said first and second bars being connected pivotally to each other so as to be folded or unfolded; a sleeve formed as a tubular member which is disposed slidably around said first bar and movable to a juncture of said first and second bars when said first and second bars are unfolded, said tubular member being sleeved around a portion of said second bar when moved to said juncture so as to limit relative movement between said first and second bars; and a control unit having a cable connected to said sleeve for pulling said sleeve away from said juncture of said first and second bars so that said first and second bars can be folded.