发明申请
US20060200937A1 Caster 失效
脚轮

Caster
摘要:
A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster is configured so that a noise level of the moveable body as the moveable body travels over a surface is approximately 85 decibels or less.
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