Design of an adjustable arm-supported table that is counterbalanced against gravity

Abstract

A prototype system was designed and constructed that used a wall-mounted, counterbalanced mechanical arm to support a workspace that can be adjusted for position. Possible applications of the system include use as a writing desk, dynamic toolbox and use supporting home electronics such as computer screens and television screens. The prototype uses gas springs to counterbalance the system against the effects of gravity. The workspace can be raised, lowered, pushed in and out in the horizontal direction and can be rotated about a fixed base. Once a user releases the table the system will maintain that position without additional support. The system has an effective range of 149cm in the horizontal direction, 91cm in the vertical direction and can be rotated in an 180° sweep about the base.