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公开(公告)号:US20210262264A1
公开(公告)日:2021-08-26
申请号:US16795803
申请日:2020-02-20
Applicant: Bell Textron Inc.
Inventor: Bruce Bennett BACON , Bart Marcus SHAFER
Abstract: A door roller includes a carriage member comprising a plurality of bores, and a plurality of roller assemblies connected to the carriage member, each roller assembly of the plurality of roller assemblies including a pivot bearing rotatably disposed within a bore of the plurality of bores and a pair of rollers coupled to the pivot bearing. Each wheel assembly is configured to pivot relative to the carriage member.