Office furniture with an adjustable tabletop in modular design for setup at the work place

Claim 1

Furniture in modular design for setup at the work place, such that the modular unit has a framework which consists of two side parts each having a hollow side arm and a hollow connecting beam with a tabletop held adjustably in the framework, characterized by the fact that there is at least one bolt (27) at the rear edge of the tabletop (1) such that the projecting end of the bolt (27) fits into a vertical slit (29) of the hollow beam (3) which connects the two hollow side arms (6) of the modular furniture unit, and at least one vertical adjusting spindle (32), which has a follower nut (31), housed inside the beam (3) for vertical movement of the bolt (27) which connects with the nut (31) and thus permits vertical adjustment of the tabletop (1), and further characterized by the fact that two operating rods (10) which can be shifted equally in longitudinal direction are located in the front area of the tabletop (1) and each of their outer ends fits in one side arm (6) of the furniture, a wedge element (21) which tapers toward the top is located in each side arm (6) and has a bolt head (23) of the corresponding operating rod (10) resting on its wedge surface (22), the horizontal distance (25') between the wedge surfaces increases steadily toward the bottom, there is an adjusting mechanism (13,14,17,18) to achieve the movement of the operating rods (10) for the purpose of changing the distance (25') between the two bolt heads (23) so that each bolt head spacing (25') corresponds to a different height position of the front part of the tabletop (1).