Patent ID: 6827395
Filing Date: 2004-12-07
Classification: A47D

Abstract:
A safety lock for a folding chair with a knuckle plate comprising:a) a top; b) two lateral walls pivotally connected at a first end thereof to a seat frame tube of the folding chair; c) two expanded end surfaces, one of the two expanded end surfaces located on a second end of each of the two lateral walls; d) an open-bottom receiving space located between the two lateral side walls; e) two curved flanges, each of the two curved flanges extending outwardly from the second end of one of the two lateral walls and connected to an adjacent one of the two expanded end surfaces; and f) two pads, each of the two pads located in the open-bottom receiving space and connected to an interior surface of one of the two lateral walls, wherein the two lateral walls are pivotal between locked and unlocked positions, when in the locked position, the seat frame tube is inserted into the open-bottom receiving space and engaged by each of the two pads, and the two expanded end surfaces engage the knuckle plate of the folding chair to prevent the folding chair from being folded and, when in the unlocked position, the seat frame tube is removed from the open-bottom receiving space to allow the folding chair to be folded.