UNIVERSAL JOINT AND VARIABLE STRUCTURE
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
May 7, 2012
filing date -
May 8, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The object is to provide a universal joint that, has a secure range of motion, does not deviate from the center of rotation, and does not generate bending moments between itself and a joint that links a plurality of movable members. A plurality of movable members (3A-3F and 3a-3f) and a spherical member (2) that links the plurality of movable members are provided, curved node sections (q) are formed on the movable members and are brought into contact with the spherical member (2), and by causing one of the plurality of movable members (3A) to rotate such that the curved node section thereof rotates along the surface of the spherical member (2), another one of the plurality of movable members (3B) is caused to rotate along the surface of the spherical member.
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