公开(公告)号：US20210380232A1

公开(公告)日：2021-12-09

申请号：US17029569

申请日：2020-09-23

Applicant: Bell Textron Inc.

Inventor： Gerard Michael Schneider ,  Lawrence Michael Petsch

IPC: B64C27/78 ,  B64C27/72 ,  B64C27/59

Abstract: A pitch change link may include a shaft having a first end region and a second end region, and a bearing cartridge on at least one of the first end region and the second end region. The bearing cartridge may include a bearing and a bearing ring at least partially surrounding the bearing. The bearing ring may have a geometric symmetry and a cross section that is wider at a first end than at a second end, the first end may oppose the second end.

公开(公告)号：US11691720B2

公开(公告)日：2023-07-04

申请号：US17029569

申请日：2020-09-23

Applicant: Bell Textron inc.

Inventor： Gerard Michael Schneider ,  Lawrence Michael Petsch

IPC: B64C27/78 ,  B64C27/59 ,  B64C27/72

CPC classification number: B64C27/78 ,  B64C27/59 ,  B64C27/72

Abstract: A pitch change link may include a shaft having a first end region and a second end region, and a bearing cartridge on at least one of the first end region and the second end region. The bearing cartridge may include a bearing and a bearing ring at least partially surrounding the bearing. The bearing ring may have a geometric symmetry and a cross section that is wider at a first end than at a second end, the first end may oppose the second end.