Cam-driven differential joint
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United States of America Patent
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Dec 12, 2017
Issued Date -
N/A
app pub date -
Aug 13, 2014
filing date -
Aug 13, 2014
priority date (Note) -
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Abstract
An example robotic joint may include a first cam and a second cam. The robotic joint may also include a first actuator configured to contact the first cam, a second actuator configured to contact the first cam, a third actuator configured to contact the second cam, and a fourth actuator configured to contact the second cam. The robotic joint may also include a first coupling link configured to couple the first cam to a first drive shaft link, and a second coupling link configured to couple the second cam to a second drive shaft link. The robotic joint may also include a drive shaft rigidly coupled to the first drive shaft link and the second drive shaft link, wherein the drive shaft rotates about a first pivot axis when the first and third actuators and the second and fourth actuators act in concert.
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