Invention Grant
US08118146B2 Wheeled luggage case 有权
轮式行李箱

Wheeled luggage case
Abstract:
An improved wheeled luggage case having a pair of freely rotating large wheels that have a diameter substantially greater than the height of the center of gravity of the wheeled luggage case itself (when in an upright, at rest position). The weight of the wheeled luggage case is largely transferred to the large wheel pair when being towed, reducing the load burden on a user and making it easier to pull the wheeled luggage case over long distances, for example, between airport terminals.
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