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US 2014/0123789 A1Published application
Actuator
AssigneeBoston Dynamics, Inc.
InventorsAaron Saunders, Brian Dellon, Michael Murphy, Adam Borrell
Life of this patent
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Abstract
An actuator includes an outer sleeve with at least a pair of helical slots coiling in a first direction, an inner sleeve with at least a pair of helical slots coiling in a second, opposite direction, and a driver including bearings received through the helical slots of the inner sleeve and into the helical slots of the outer sleeve.
Claims19
An actuator comprising:
- an outer sleeve with at least a pair of helical slots coiling in a first direction;
- an inner sleeve with at least a pair of helical slots coiling in a second, opposite direction;
- and
- a driver including bearing surfaces received through the helical slots of the inner sleeve and into the helical slots of the outer sleeve.
1 more element
The actuator of claim I in which there are at least four helical slots in the outer sleeve and four helical slots in the inner sleeve.
Dependencies are inferred from the claim text.