Example: dental hygienist
Gearless
Found 2 free book(s)ELEVATOR CONTROL CIRCUIT
eie.uonbi.ac.ke• Gearless Geared versus gearless elevators • In geared elevators, the motor rotates the sheaves directly. • In gearless elevators, the motor turns a gear train that rotates the sheave. Roped elevators are much more efficient than hydraulic elevators, they also have more safety systems. 1.1.3 Elevator safety mechanism
Differential (mechanical device)
themechanic.weebly.comA proposed way to distribute the power to the wheels, is to use the concept of gearless differential, of which a review has been reported by Provatidis [2] , but the various configurations seem to correspond either to the "sliding [4] [5] . [7] / / zf.