Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 184
to that journal. Block chain is that commonly used on bicycles andsmall motor cars, so named from the blocks withround ends which areused to fill in betweenthe links. The sprocketteeth are spaced to apitch greater than thatof the chain links andthe blocks rest on flatbeds between the teeth,Fig. Y3.… … 160 MACHINE DESIGN. The most serious failing of the chain is its tendency to stretch with use so that the pitch becomes greater than 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…
Machine design
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