Patent ID: 9572421
Date: 2017-02-21
CPC Classifications: A47B

Claim:
1. A height-adjustable platform for a work table, the platform comprising: a housing; a spindle unit at each end of the housing, each spindle unit comprising a tube section with a first spindle nut at a top and a foot at a bottom thereof; a tubular spindle with external thread which cooperates with the first spindle nut in the tube section; a first gear wheel at the top of the tubular spindle; a second spindle nut arranged at a top of the tubular spindle; a solid spindle with external thread which cooperates with the second spindle nut in the tubular spindle; an electric motor with a worm gear comprising a worm and a worm wheel; and a gear train driven by the electric motor through the worm gear, the gear train being in mesh with the gear wheel of the respective spindle unit for extending and retracting the respective spindle unit.