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 69
iving. It admits of considerable flexure, and is useful for drilling and similar incidental drivingpurposes in difficult positions. 443. Radiating arm and belt. The movable machine can be driven at any point in circumference of the circle described by the armhead. 444. Similar plan, but driven by… … 64 THE ENGINEERS SKETCH-BOOK. 416. Screw and worm wheel gear, for the same purpose as 445. 447. The driven wheel A lias a limited travel up and down the slot, the idle wheel B being kept in gear by the link suspension. 448. Idle wheel and slot. A common device for changing direction or speed in…
Mechanical movements
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