Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 118
106 VAN nostkand's engineering magazine. both pitch lines, spans a breadth just tangent to it with centers A and B. sufficient for the tooth thickness, and the These are taken as the base circles for Fig. 14. Fig. 15. … will be secured on both sides of the line involutes. The ratio of the radii of of centers, as required, with the nearest these circles will be equal to that of the approach of the line of action to the per- pitch circles. Suppose the inclined line, pendicular to the line of centers consist- C D, be…
Engineering
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