Torque transmission apparatus
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United States of America Patent
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Dec 11, 2018
Grant Date -
Jun 29, 2017
app pub date -
Dec 14, 2016
filing date -
Dec 24, 2015
priority date (Note) -
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Abstract
A torque transmission apparatus including a first rotor, a second rotor, an elastic body deployed in a torque transmission path between the first rotor and the second rotor to absorb torque fluctuation between the first and second rotors, and a pair of seat members. The pair of seat members include holding portions for holding ends of the elastic body at one end surfaces and contact surfaces at the other end surfaces, and the contact surfaces are formed into convex curved surfaces so as to rollably contact concave curved lateral end surfaces of a housing of the first rotor and concave curved lateral end surfaces of projecting portions of the second rotor.
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