ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,695, issued on July 15, was assigned to NTN Corp. (Osaka, Japan).
"Fixed-type constant velocity universal joint" was invented by Tomoshige Kobayashi (Shizuoka, Japan) and Masazumi Kobayashi (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fixed type constant velocity universal joint includes an outer joint member, an inner joint member, eight balls, and a cage. The fixed type constant velocity universal joint has a ball retaining mechanism. A ratio of an axial length from a joint center to an opening-side end surface of the outer joint member to a diameter of each of the balls is within a range of 0.35 to 0.52. A ratio of a width of...