| 摘要 |
A robot joint is provided to improve the degree of freedom and flexibility thereof. A robot joint includes at least one joint unit(10). The joint unit comprises a link unit(20), a cylinder unit(30), and a movable unit(40). The cylinder unit consists of a cylinder(33), and the piston(35) reciprocally moved at the inside of the cylinder. The movable unit is installed to connect at least one end of the cylinder unit with the link unit mutually and movably.
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