Invention Grant
US09433270B2 Universal wheeled bag system 有权
通用轮式包系统

Universal wheeled bag system
Abstract:
A wheeled bag system having a bag with a handle at one end and a wheel system at the other, with a toothed handle-shuttle system moving wheels between exposed when the handle is pull and hidden positions when the handle is push folding the wheels into a cavity in the wheel system.
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