gearless traction

gearless traction

[¦gir·ləs ′trak·shən]
(mechanical engineering)
Direct drive, without reduction gears.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The company supplies nearly every electromechanical component used in elevator systems, including door operators and associated door equipment, geared and gearless traction machines, universally compatible microprocessor controllers, safety components, signal fixtures, push button panels, structural assemblies, freight door systems and hydraulic equipment, including pumps and jack systems.
"To keep up with this trend, Toshiba has introduced green elevators, with features such as high-performance gearless traction, roller-guide shoes that eliminate the requirement for lubrication, maintenance-free buffers, and light-emitting diode (LED) illumination."
The gearless traction machine with the permanent magnet motor is packed with cutting-edge technology, such as the unique stator-core structure and built-in double brakes.
Many of them are gearless traction electric elevators, designed to move as quickly as possible.
Then came electricity and gearless traction, giving rise to the next wave of high-rise, typified by the Woolworth and the Singer buildings.
GAL Manufacturing supplies electromechanical components used on elevator systems, including door operators and associated door equipment, geared and gearless traction machines, universally compatible microprocessor controllers, safety components, signal fixtures, push button panels and structural assemblies.
1903 The gearless traction electric elevator is introduced.
Part of the solution was to add three new gearless traction elevators to the existing 10 which served the guest rooms.