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US 2021/0215235 A1Published application
Passive transmissions, and methods of making and using same
AssigneeCornell University
InventorsKevin W. O'BRIEN, Robert F. SHEPHERD
Life of this patent
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Abstract
A transmission is presented, including a spool having a bore. An outer member disposed on the spool, and a cord is configured to at least partially wrap around the outer member. The outer member is configured to constrict and unconstrict to a force applied to the outer member. In this way, rotation of the spool causes a tension force to be applied to the cord, and a greater tension force in the cord will cause the outer member to constrict more than a lower tension force in the cord.
Claims21
A transmission, comprising:
- a spool having a bore;
- a constrictable outer member disposed around a circumference of the spool;
- and
- a cord configured to at least partially wrap around the outer member such that rotation of the spool causes a tension force to be applied to the cord, wherein a greater tension force causes the outer member to constrict more than a lower tension force.
1 more element
Dependencies are inferred from the claim text.