Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 374
the reservoir below.When the shaft is revolved, the ring takes up oil and carries it to theshaft. Larger bearings are provided with two oil rings. Provisionmust be made to drain off the oil and to furnish a fresh supply. The upper part of the bearing box is often made with a large openingcovered by… … Fig. 573. In the same illustration it can be seen that the rearend of the bearing box is turned to receive the brushframe, Fig. 569, which in this case is provided withfour holes to receive four brushes. Another kind ofbrush frame, called a rocker arm, is shown in Fig. 5 70,made for two brushes.…
Mechanical drawing · Machine design
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