VERTICAL HEIGHT WORK SURFACE ADJUSTMENT APPARATUS

摘要

A work surface height adjustment apparatus having a work surface platform and a scissors assembly mounted to a platform The scissors assembly has horizontal cross members, a scissors linkage mounted to the horizontal cross members, a control link mounted to the scissors linkage and a horizontal cross member. When extended, the scissors linkage creates two identical and opposing isosceles triangles.

主权项

1. A work surface height adjustment apparatus comprising a work surface platform, an expandable scissors assembly mounted to said platform, said scissors assembly comprising a horizontal cross member, a scissors linkage slidably mounted to said horizontal cross member by slide means and an interconnected linkage comprising slide links mounted to said slide means and a center link pivotally mounted to distal end of each slide link, said scissors linkage when extended synchronizing the scissors movement to the top surface of the work member creating two identical and opposing triangles in said scissors linkage.