摘要 |
<p>The process comprises placing on the journal the roller provided with its needles and the annular member for axially retaining the needles. Thereafter, one end of an elastically yieldable ring is engaged in a passageway provided on the journal and the ring is shifted along this passageway until it is completely received in a groove. This method is much more reliable and lends itself to a thorough automatization.</p> |