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US 5,140,565 AGranted
Cycloidal pendulum
OwnerRobert W. Katsmainventor
Life of this patent
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Abstract
An isochronous pendulum for clocks. The oscillation of the pendulum causes a small compensating mass attached to the pendulum's primary mass to move in such a manner that the center of mass of the pendulum moves in the path of a cycloid.
Claims6
A cycloidal pendulum comprising:
- (a) a foundation,
- (b) a primary mass,
- (c) a pivot means to pivotally support said primary mass by said foundation,
- (d) a compensating mass smaller than said primary mass moveably attached to said primary mass,
- (e) a compensating means that causes the oscillations of the pendulum to move said compensating mass in such a manner that the center of mass of the pendulum moves substantially along the path of a cycloid.
2 more elements
Dependencies are inferred from the claim text.