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US 4,787,259 AGranted
Rotary drive apparatus having multiple drive shafts
OwnerDonald G. Carsoninventor
Life of this patent
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Abstract
Rotary drive apparatus includes a plurality of driving elements connected by a cable to a single driven element, with the multiple drive elements spaced apart about the periphery of the driven elements for imparting rotary motion to the driven element in response to rotation of the driving elements.
Claims5
Multiple shaft rotary drive apparatus, comprising, in combination:
- a relatively large diameter driven element having an outer periphery;
- a plurality of relatively small diameter driving elements spaced apart from each other adjacent to the outer periphery of the driven element;
- a plurality of motors connected to the plurality of driving elements for rotating the driving elements;
- and
- cable means helically disposed about the outer periphery of the driven element and extending helically about the plurality of driving elements for coupling together and rotating the driven element in response to the rotation of the driving elements.
2 more elements
Dependencies are inferred from the claim text.