| 摘要 |
A rotative motion converting device of the conical pendulum type, comprising a stationary base member having an axis and an internal rolling path, and a pendulum linked by a universal joint to a shaft coaxial with said base member, said pendulum having an external rolling path, wherein the generants of said two rolling paths are complementarily shaped such that a very close contact may be obtained therebetween provided said pendulum may be axially shifted only a minute distance from its still position.
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