International Library of Technology · Scranton, International Textbook Co. · leaf 129
ame. A ratchet-and-pawl mechanism is used in connec-tion with a lever to turn the screw and move the machineback and forth. 3756. The rocker-arm support is a separate casting,and is independent of the pedestal cap, so that the cap may 3504 DYNAMO-ELECTRIC MACHINE DESIGN. be removed without… … ^^=1 Fig. 1391. center line, the cap may be loosened or taken off without thenecessity of dismantling the rocker-arm. Flat-headed screwsare used in the holes «, a, and they pass through and enterinto bosses cast on the pedestal. The groove for the rocker-arm is V-shaped.
Electrical engineering
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