Cluster of molded gears with helical teeth
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United States of America Patent
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May 7, 1991
Grant Date -
N/A
app pub date -
Oct 15, 1986
filing date -
Oct 16, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This cluster of moulded gears with the helical teeth, comprising a group of coaxial pinions of which the teeth have the same helical sense and the same pitch, is characterized in that, Mrn and Mri designating the real moduli of any pinions respectively of rank n and of rank i of the group, Zn and Zi designating the numbers of teeth of the said pinions, and .beta.n and .beta.i designating their helical angles, the following relationship exists between these different parameters: sin .beta.n=sin .beta.i Mri Zn/Mrn Zi
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