Described are service trolleys with ball caster assemblies for a passenger vehicle. The service trolley may include a housing and a set of ball caster assemblies. The housing may include an internal component, a top end, and a bottom end. The set of ball caster assemblies may be positioned on the bottom end. Each ball caster assembly may include a caster housing and a sphere wheel that is retained within the caster housing.
SERVICE TROLLEY WITH BALL CASTER ASSEMBLY
2024-06-27
Patent
Electronic Resource
English
Trolley caster height extension chuck mechanism structure
European Patent Office | 2025
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