Patent ID: 6442906
Filing Date: 2002-09-03
Classification: E04F

Abstract:
An elevation-adjustable rod member locking structure provided between a tubular upright post and a screw rod and adapted to adjust the elevation of said screw rod relative to said tubular upright post and to lock said screw rod in the adjusted position, comprising:a locating socket fixedly fastened to an end of said tubular upright post, said locating socket comprising an inner thread extended to a top side thereof and a shoulder inwardly disposed at a bottom side thereof, said shoulder having a top face; an adjustment nut mounted inside said locating socket and supported on said shoulder, said adjustment nut comprising an inner thread threaded onto said screw rod, a peripheral wall, an operation unit at an upper part of said peripheral wall, and an outward flange at a bottom side of said peripheral wall, said outward flange having a top face and a bottom face supported on the top face of said shoulder of said locating socket; and a lock screw adapted to lock said adjustment nut in said locating socket, said lock screw comprising an annular inside wall sleeved onto the peripheral wall of said adjustment nut, a head around the periphery thereof at a top side, an outer thread threaded into the inner thread of said locating socket, and a bottom edge supported on the top face of said outward flange of said adjustment nut.