Patent ID: 6772700
Filing Date: 2004-08-10
Classification: A47B

Abstract:
A control structure of a supporting foot for collapsible furniture, comprising:a base mounted on a furniture body, said base forming a shaft hole and having a concave hole and a groove on a side of said concave hole; a rotation shaft disposed in said shaft hole, said rotation shaft being jointed with at least one supporting foot; an extension shaft extended perpendicularly from said rotation shaft near said concave hole and said groove, said extension shaft being rotatable along a channel formed by said groove and said concave hole; a sleeve, collaring said extension shaft, said sleeve having one end receivable in said concave hole but not receivable in said groove; a spring collaring said extension shaft between said extension shaft and said sleeve, said spring pushing said sleeve towards said base and preventing said sleeve from slipping off said extension shaft; wherein said extension shaft is substantially in parallel with said at least one supporting foot which is opened to support said furniture body when said extension shaft is rotated to a position where said sleeve is received in said concave hole.