7 Machines, powered appliances and machine components for lifting and adjustment, namely hoists, chain hoists, electrical drives, in particular shutter door drives, platforms drives, window and shading drives for buildings, greenhouses, stables and barns, winding drives, overload safe guards of forces or moments, jacks, cable lifting jacks, hydraulic lifting jacks, spindle jacks, chain jacks, rack and pinion jacks, cable winches, cable drums, cable rollers, gear mechanisms, worm gear mechanisms, rack-and-pinion gears, rack mechanisms, spindle gears not for land vehicles, cogged belt gears, machine wheelwork and gears, machine chain wheels, cranks being parts of machines, drive shafts not for vehicles, drive shafts with universal joint not for vehicles, telescopic cardan shafts, torque transmissions devices not for land vehicles, couplings not for land vehicles, threaded spindles, toothed belt mechanisms sprockets, pulleys being parts of apparatus, clutches, drive belts, drive chains, bearings other than for land vehicles, bearing blocks, motors and gear motors not for land vehicles, tube motors, hydraulic motors not for land vehicles