Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 92
very similar SIMPLE MACHINES AND MACHINE TOOLS, ETC. 81 to drilling machines in which the axis of the drill spindle ishorizontal. A modern type of horizontal boring machine is illustratedin Fig. 85.^ The spindle of the machine is driven by a five-stepcone pulley, A, running loosely on a long sleeve… … Fig. 85, driving gear is secured to the sleeve, and motion is imparted eitherdirectly to the sleeve, and therefore to the spindle, or else throughthe back gear 0. If motion from the cone A direct to the spindleB is required, the back gear is disengaged, and the cone is lockedby the usual cone lock…
Machinery, Kinematics of
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