Grounded SEA actuator
Number of patents in Portfolio can not be more than 2000
United States of America
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May 10, 2022
Grant Date -
Apr 22, 2021
app pub date -
Dec 11, 2020
filing date -
Dec 11, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A device is provided. The device includes a worm drive comprising a worm and a worm gear. The device also includes an actuator comprising a motor, a shaft, and the worm, wherein the shaft is configured to rotate about a shaft axis, and the actuator is configured to (i) drive the worm drive, and (ii) move linearly along the shaft axis. The device also includes a first spring and a second spring, wherein the second ends are fixed, and wherein the first and second springs are configured to resist movement of the actuator along the shaft axis in opposite directions as a result of forces transmitted through the worm drive. The device further includes a linear position encoder configured to determine a position of the actuator along the shaft axis.
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