Patent ID: 6213434
Filing Date: 2001-04-10
Classification: A47F

Abstract:
A mechanical stand assembly for supporting objects, said stand comprising an upper base section and a support member, said support member including a telescopic tube projecting therefrom and within said upper base section and further comprising a locking mechanism of maintaining said support member at various incremental heights, said locking mechanism including a locking jaw having a pivot connection within said telescopic tube, and having a frictional surface for engagement with a locking surface within said upper base section, said pivot connection and said locking surface being vertically offset so as to form an over center locking arrangement when downward vertical force is applied to said support member, and with free upward vertical movement to adjust the vertical height of said support member, and an actuator member allowing said locking jaw to be engaged and disengaged from said locking surface while said telescopic tube is at any height and has moved in either the upwards or downwards direction.