Safety lock for a folding chair
OwnerLausan Chung Hsin Liuinventor
Life of this patent
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Abstract
A safety lock is pivotally secured to a back frame and a stand frame of a folding chair by a pivot pin to secure said folding chair in an extended position, the safety lock including a metal hook having a retaining notch adapted for hooking on a headed locating pin, and a rubber cap enclosing the hook and having a retaining notch adapted for hooking on the headed locating pin and an inside recess adapted for receiving the head of the headed locating pin.
Claims4
A safety lock pivotally secured to a back frame and a stand frame of a folding chair by a pivot pin and adapted for hooking on a headed locating pin at one side of a seat frame of said folding chair to secure said folding chair in an extended position, the safety lock comprising a hook having a fixed end supported for rotation about said pivot pin and a free end provided with a retaining notch adapted for hooking on said headed locating pin, and a cap enclosing said hook, said cap having a fixed end supported for rotation about said pivot pin, and a free end provided with a retaining notch adapted for hooking on said headed locating pin and an inside recess adapted for receiving the head of said headed locating pin.
Dependencies are inferred from the claim text.