Vibration damping furniture levelling unit - has elastomer ring between outer and inner bushes, tapped for bolt

摘要

The levelling unit, partic. for furniture and machine feet has a floor plate (3), in which a proud threaded bolt (5) turns. The bolt extends through and engages a tapped inner bush (7) with smooth external wall (9), which is enclosed by an outer bush (10) smooth on the inside and outside. As elastomer damping ring (13) between the bushes is secured to both, and there is a component (14) at the end of the bolt, away from the plate, which can be engaged by a tool to turn the bolt. ADVANTAGE - Easy adjustment and damping vibrations of a typewriter, or office machine.