Crossed-cylinder wrist mechanism with two degrees of freedom
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United States of America Patent
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Apr 9, 2019
Grant Date -
Jan 28, 2016
app pub date -
Jul 22, 2015
filing date -
Jul 22, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
According to an aspect, a device may include a first member, a second member, and a wrist mechanism disposed between the first member and the second member. The wrist mechanism may include a first cylinder portion coupled to the first member, and a second cylinder portion coupled to the second member. The first cylinder portion may be rollably engaged with the second cylinder portion such that movement of the first cylinder portion with respect to the second cylinder portion is configured to cause the first member to move in at least two directions with respect to the second member. The second cylinder portion may be positioned with respect to the first cylinder portion such that a longitudinal axis of the second cylinder portion is orthogonal to a longitudinal axis of the first cylinder portion.
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