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 175
a central nut running on themain screw. 1383. Mutilated screw and nut. In one position the nut can sUde on the screw^, and a partial turn locks it. Used for instantaneousgrip vices, &c. 1384. Spiral worm for three or four jaw chucks, expanding devices, &c See Sections 28 and 36. 1386, 1386,… … 170 THE ENGINEERS SKETCH-BOOK, 1391. Cylinder head bolt, with drilled holes and special spanner. 1392. Cylinder head, but with flutes instead of holes for spanner 1393. Cylinder head, but with two flats cut on the head to suit an ordinary spanner. 1394. Socket head, to receive a second screw. 1395.…
Mechanical movements
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