Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 185
n that of the sprocket teeth. To obviate this difficulty in a measure considerable clearance should begiven to the sprocketteeth as indicated inFig. 74. As the pitchof the chain increasesit will then ride higherupon the sprocketsuntil the end of thetooth is reached. Theteeth are rounded on their… … Fig. 74. Pitch inches i 2 58 3 I 1 1* H 13 2 Tensile Strength lb. 1200 1200 4000 6000 9000 12000 19000 25000 Block Chain. 1 inch pitch 1200 to 2500 lb.1% 5000 Mr. Michel further recommends a factor of safetyof from 5 to 40 according to the severity of the condi-tions as to speed and shocks. The…
Machine design
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