Patent ID: 7077406
Filing Date: 2006-07-18
Classification: B62B

Abstract:
1. A pedal-controlled movable bottom frame comprising: A frame body composed of plural level rods pivotally connected with one another, said rods having two rear free ends respectively and pivotally connected with the lower portions of two support legs of a worktable, two casters respectively assembled under said rods near the two pivotal joints of said two support legs, said rods having two front free ends provided thereon with a pedal, a clasping member assembled under said pedal: Two movable connecting rods having two rear free ends respectively and pivotally combined with the intermediate preset portions of said frame body, said two movable connecting rods having two front free ends respectively and pivotally connected with the lower portions of the other two support legs of said worktable, two casters respectively assembled under said two movable connecting rods near the two pivotal joints of said two support legs: and A position rod having its opposite ends respectively assembled under said two movable connecting rods near the pivotal joints of said two support legs, a retaining unit secured at the intermediate portion of said position rod, said retaining unit able to connect with said clasping member of said frame body, said retaining unit able to be turned and engaged with or disengaged from said clasping member by pedaling said pedal alternately.