Sleeve device for preventing hand injury if a collapsible chair accidentally collapses or when folding the chair comprises a slidable sleeve with a locking member and spring to bias the sleeve against a pin secured to one of the rear legs

摘要

Safety mechanism(20)for folding chair(10)comprises scurity sleeve(21)slidably mounted around associated rear leg(12)with a pin which fits into a compartment in the sleeve with a spring to bias the sleeve against the pin and an engaging device pivotally secured to the lower end of the back rest frame engaging a notch in a wedge formed on the rear face of the sleeve when the chair is unfolded prevent the chair from collapsing Preferred features;A locking member is formed on the sleeve and biased by the spring and released by manually moving the sleeve upwards disengaging the wedge notch from the engaging device permiting chair folding