Braking and positioning system for shaft of rotating seat comprises ring of bar magnets mounted on shaft and second ring on side of shaft bearing which attract each other when shaft is in neutral position and repel in other positions

摘要

The braking and positioning system for the shaft of a rotating seat comprises a first ring (21) of bar magnets mounted on the shaft and a second set (27) positioned on the side of the shaft bearing. These attract each other when the shaft is in a neutral position and repel in other positions.