The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 193
for motion in one direction only. 1517. Half shrouded spur teeth. 1518. Whole shrouded spur teeth. 1519. Double helical spur teeth, stronger by 15 per cent, than straight teeth; work without backlash or noise, and may be halfor wholes shrouded ; section of tooth on plane of motion is tliesame as… … 188 THE ENGINEERS SKETCH-BOOK. 1522. Plain bevil gear; shafts at right angles. 1523. Plain bevil gear; shafts at acute angles. 1524. Plain bevil gear; shafts at obtuse angle. 1525. Plain bevil gear; four shafts at right angles. 1526. Skew bevils; shafts not in line with one another. Note.—Where the…
Mechanical movements
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