Height adjustable counterbalance workstation

Details Height adjustable counterbalance workstation Height adjustable counterbalance workstation

A - Human Necessities

47

B

A47B 21/02 (2006.01) A47B 9/02 (2006.01)

Patent

CA 2224620

A height adjustable workstation uses a torsion spring in association with a transmission for providing a counterbalance force opposing downward forces applied to the work surface. The workstation has telescoping legs and the telescopic movement thereof is transmitted through the transmission system to the torsion spring. The torsion spring is loaded and applies the counterbalance force to the legs via the transmission. The system includes a hand engaging adjustment mechanism for varying the magnitude of the counterbalance force and also includes a lock arrangement for locking the workstation at various selected positions. The preferred transmission system includes a rack and pinion gear arrangement connected to the torsion spring by a shaft.

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