Improvements in or relating to stairlifts

摘要

Disclosed is a stair lift with energy regenerative braking. The stair lift carriage 11 features one or more mains chargeable batteries 17 and an electromechanical brake 20. Braking, particularly during downwards travel of the carriage 11 on a rail 12, may be used to harvest energy into the batteries. Also disclosed is a stair lift in which the charge in batteries 17 is controlled so that the batteries 17 are not fully charged when the stair lift carriage 11 is at the top of the rail 12. The stair lift may further feature rack 19 and pinion 18 driving arrangement and a main charger 22.