公开(公告)号：US20090060407A1

公开(公告)日：2009-03-05

申请号：US12230513

申请日：2008-08-29

Applicant: Hiroshi Tachi ,  Kazuyuki Kotani ,  Shusuke Nakano

Inventor： Hiroshi Tachi ,  Kazuyuki Kotani ,  Shusuke Nakano

IPC: F16C33/38

CPC classification number: F16C33/3875 ,  F16C19/06 ,  F16C33/3806 ,  F16C33/3887 ,  F16C33/6681

Abstract: A cage of the invention is equipped with a first annular portion and a second annular portion that are disposed respectively at both ends in an axial direction, and a plurality of columns which couples the first annular portion and the second annular portion to each other, and which forms a plurality of pockets in which rolling elements are accommodated. The cage is composed of a first body portion and a second body portion that are arranged in the axial direction of the bearing and that are coupled to each other via interlocking columns provided on each of the first and second body portions. At least one of the first body portion and the second body portion has an outer diameter face having recessed therein an oil groove whose base end leads to a corresponding pocket.

Abstract translation: 本发明的保持架配备有分别设置在轴向两端的第一环形部分和第二环形部分，以及将第一环形部分和第二环形部分彼此连接的多个列，以及 其形成容纳滚动元件的多个口袋。 保持架由沿着轴承的轴向布置的第一主体部分和第二主体部分组成，并且通过设置在第一和第二主体部分中的每一个上的互锁柱彼此联接。 第一主体部分和第二主体部分中的至少一个具有凹入其中的凹槽的外径面，其底端引导到相应的口袋。