|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||190/018A; 190/107; 190/018R; 280/047.315; 280/047.17; 016/047|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 8|
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.
1. A wheeled luggage case comprising: a storage chamber formed with a base;a cover defining an opening on at least one side of said storage chamber for providing ready access therein;a pair of freely rotating large wheels mounted on opposite sides of said luggage case having a common axis of rotation therebetween, said large wheels each having a diameter at least one third the height of said storage chamber;a set of small, freely rotatable wheels mounted on each side of said luggage case in spaced apart fashion along the circumference of each of said pai...