Patent ID: 6598544
Filing Date: 2003-07-29
Classification: A47B

Abstract:
A locking mechanism for a support leg hingedly attached to a support surface and rotatable between an extended position and a folded position, comprising:a base configured for attaching to the support surface, the base having a locking side including a plurality of flat-topped, angularly spaced, radial teeth of non-uniform width; a coupler disposed at an end of the support leg, having a counter-locking side disposed opposite the locking side of the base, the counter-locking side having a plurality of flat-topped, angularly spaced, radial teeth of non-uniform width, configured to mate with the teeth of the base only at selected angular positions, and to allow smooth sliding contact during rotation of the support leg between the extended position and the folded position; and a selectively releasable engagement mechanism configured to engage and disengage the teeth of the base with the teeth of the coupler.