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.
SELF-ALIGNING DOOR BOGIE
2021-08-26
Patent
Electronic Resource
English
Independent wheel radial bogie capable of automatically aligning
European Patent Office | 2020
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