. Electric railway gazette . ake the operationpractically the same as though the several ele-ments were one solid piece. It is evident that,by means of the numerous surfaces comprisingthe friction clutch that the pressure may bevaried to any extent required, enabling the carto be moved at any desired speed, the motorstill running at its usual speed. The material ofwhich the washers is composed has proved to beso durable that renewals will be required only atlong intervals. Another clutch similar in itsconstruction for operating the brakes, is locatedon the same shaft, and may, if desirable, be
. Electric railway gazette . ake the operationpractically the same as though the several ele-ments were one solid piece. It is evident that,by means of the numerous surfaces comprisingthe friction clutch that the pressure may bevaried to any extent required, enabling the carto be moved at any desired speed, the motorstill running at its usual speed. The material ofwhich the washers is composed has proved to beso durable that renewals will be required only atlong intervals. Another clutch similar in itsconstruction for operating the brakes, is locatedon the same shaft, and may, if desirable, be op-erated by the same sleeve when moved in adirection opposite to that required for operatingthe car. The grooved collar, c, serves as a reelor drum on which the brake chain is wound up k f V%■%,::-A i The jnChicago. (See pairs of friction surfaces for; operating the the shaft carrying the device, which may bean extension of the armature shaft or an inter-mediary shaft, or the car axle itself, is a metal. Fig. 2. bor of putting it in, to say nothing of repairs, I flange secured to the shaft by set screws, keys,\yhich would not exceed 10 per cent, of the cost or in any suitable manner, as shown at the rightof the present method. Not a particle of elas- J OriosrrE Page. )■ -, by the revolution of the motor shaft. Thefriction washers are held in place by bands en-circling the loose collar and attached to its cir-cumference by tap screws. This band nut,shown in the diagram, can at any time be easilyremoved by the use of a screw driver, and newfriction rings, which may be cut to allow of theirbeing slipped over the shaft, inserted, this be-ing the only labor required in their renewal,which consumes but a few moments time. Fig. ;2 shows a view of the device as attached beneath \\the car, the dotted lines showing the outlines ofcar and motor, together with the gears, shaft,etc., also showing the method by which thedevice is operated from either end of the
Size: 2830px × 883px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
