Teacher Demonstration Desk

Abstract

A desk is disclosed for use by teachers. The desk has a fixed-height portion which remains stationary as well as an adjustable-height portion which can be raised and lowered as needed to allow students to view objects on the desk such as experiments being performed when the adjustable-height portion is in a raised position and to see the space behind the desk, which may contain a blackboard, white board, or other object which students would wan to view, when the adjustable-height portion is in a lowered position.

We claim: 
     
         1 . A desk, said desk comprising:
 (a) a base;   (b) an adjustable-height desk surface;   (c) said adjustable-height desk surface mounted on at least three telescoping legs;   (d) a motor for raising and lowering said adjustable-height desk surface above said base without requiring locking of said telescoping legs into position; and   (e) a fixed-height surface affixed to said base.   
     
     
         2 . The desk of  claim 1  wherein said base houses drawers. 
     
     
         3 . The desk of  claim 1  wherein said base houses a cabinet. 
     
     
         4 . The desk of  claim 1  wherein said adjustable-height desk surface comprises receptacles for receiving laboratory rods. 
     
     
         5 . The desk of  claim 1  wherein said base has a generally-planar face. 
     
     
         6 . The desk of  claim 1  wherein said base has an angled face. 
     
     
         7 . The desk of  claim 1  wherein said adjustable-height desk surface is comprised of a heat and chemical resistant material. 
     
     
         8 . The desk of  claim 1  wherein said fixed-height surface is comprised of a heat and chemical resistant material. 
     
     
         9 . The desk of  claim 1  wherein said adjustable-height desk surface is the same height as the fixed-height surface when said adjustable-height desk surface is in a lowered position. 
     
     
         10 . The desk of  claim 1  further comprising a sink located in said fixed-height desk surface.