Roller mounted chassis for rotatable office chairs - has universal rollers for instant movement in any direction without tilt

摘要

The chassis for movable office chairs and the like are fitted with universal rollers 1 for instant movement in any direction, these rollers comprising roll bodies 3 which are rotatably mounted about an axial shaft 2 and provided with several axial pivots 4 in two planes set at right angles to the shaft. Small wheels 5 are rotatably mounted on the axial pivots with the curvature of the wheels corresponding to the radius of the roller 1. The chassis can be provided with any number of arms with each arm being provided with a universal roller and the axial shaft of the roller running at right angles or parallel to the longitudinal axis of the arm.