International Library of Technology · Scranton, International Textbook Co. · leaf 118
ith the main leads which carrythe current to the point of distribution. A nut g is put onlast to hold the stud firmly in place. It may be necessaryto put an additional nut on, for the sake of greater security. ROCKER-ARM.3738. The brush-holder studs are held in position bymeans of a rocker-arm h,… … Fig. 13S1. which it may be clamped in any desired position. The squarerecesses r, r are seen, into which the studs are fitted. Thereason for this shape is that the studs must be preventedfrom turning, as they would if simply clamped in a circularhole, owing to the reaction of the brushes when…
Electrical engineering
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