Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 74
only at the sides, driving purely by shear,crushing being exerted by the side of the key in both shaft and hub,over the area against the key. The key itself does not prevent endmotion along the shaft; and if end motion is not desired, auxiliarymeans of some sort must be resorted to, as, for… … Fig. 33. Spline changing its relation to the hub by some means such as illustratedin Fig. 33. Taper keys not only drive through sidewise shearing strength,but prevent endwise motion by the wedging action exerted betweenthe shaft and hub. These keys drive more like a strut from cornerto corner; but…
Machine design
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