Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 144
ition of the mechanism represented by the dotted lines,the central point of the coupler is A^, which prac-tically lies on the line BD. The proportions of themechanism will, as in the grasshopper motion,depend on the limits of the motion. For example,if the coupler is vertical when eitlier lever… … Fig. 219. will be represented by 1.25, and of the coupler by0.5. These proportions at once follow froni thegeometry of the mechanism, and may be left as anexercise to the reader. With these proportions, itwill be noticed that the tracing point is moving ina direction exactly parallel to the fixed…
Mechanical drawing · Machine design
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