Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 285
ads to be lifted, as well as the weight of the wall androof of the pent house. The support must also be strong enough toresist the impact caused by the stopping and starting of the elevator.Worm and Wheel. Single Gear. The power of the motor istransmitted to the winding drum and thence to the car… … Fig. 155. Gurney Tandem Worm Gear Drive 126), one-half of which is shaped like a pulley of very heavy designand liberal width of face. This coupling serves as a brake pulleyfor use in stopping the machine and for holding it while being loadedand unloaded. Tandem Gear. Another type of worm…
Electrical engineering
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