| 摘要 |
A housing (50) for a constant-velocity universal joint (100), the housing (50) having a rotation axis (X), and a cup (51A) and a shank (51B) integral with each other and in series along the rotation axis (X); a shoulder (60) being interposed between the cup (51A) and the shank (51B), and having a recess (61) formed at the shoulder (60) and located on the side facing the cup (51A).
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