| 摘要 |
A toothed gearing consists of the driving and the driven toothed wheels with evolvent teeth placed on those; the teeth are in coupling with each other. The end sections of the teeth are at two ends within the length 15 mm 30 separated from the rims of the toothed wheels with circular slots; at that the thickness H of each of the rims on which the teeth are placed, this is provided between the circular slots, is determined from the expression ?? = b - , where b is the length of the teeth.
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