Wenderoth, Lind & Ponack, L.L.P.
Fixed type constant velocity universal joint
A fixed type constant velocity universal joint has an outer joint member including first track groove portions and second track groove portions. Each of the first track groove portions includes an arc part having a curvature center that is not offset in an axial direction with respect to a joint center. The first track groove portions are inclined in a peripheral direction of the outer joint member with respect to a joint axial line and adjacent to each other in the peripheral direction with inclination directions opposite to each other. Each of the second track groove portions has a different shape than the first track groove portions. Each of the first track groove portions and each of the second track groove portions are connected to each other at a position on an opening side with respect to the joint center.
NTN CORPORATION
F F F F Y F F
F16D F16D F16D F16D Y10S F16D F16D
inventional inventional additional additional additional inventional inventional
Hiroyasu Kisao Kenta
Hirukawa Yamazaki Yamazaki