Patent ID: 6601812
Filing Date: 2003-08-05
Classification: A47B,Y10S

Abstract:
An assembly of pivotal arms for attaching and supporting a platform to a work support comprising, in combination:a first bracket member for attachment to a work support; a second bracket member for attachment to a platform; a first arm having first and second ends pivotally attached respectively to the first bracket member and the second bracket member; a second arm having third and fourth ends pivotally attached respectively to the first bracket member and second bracket member; one of said bracket members including an inclined surface; one of said arms including a wedge member having a wedge member inclined surface in opposed slidable relation to the bracket member inclined surface, said wedge member including a pivot pin for holding the wedge member inclined surface in opposed slidable relation to the inclined surface and for simultaneously connecting the said one arm to the said one bracket member to prevent pivotal movement of said arms.