|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 20 인용 특허 : 9|
A retractable wheel for a built-in luggage cart has a pair of telescopic pull rods, a handle mounted on the upper ends of the pull rods and retractable wheels provided at opposite sides of the lower edge of the luggage near the lower ends of the pull rods. The retractable wheel has a frame attached to the luggage and defined with a wheel well, a retractable wheel mount having an upper end pivotally connected to the frame, and a wheel rotatably attached to the lower end of the wheel mount, a strut vertically movable in the frame, a pair of arms having one...
1. A retractable wheel for a built-in luggage cart which has a pair of telescopic pull rods (14), a handle (16) connected to upper, ends of the pull rods (14), wherein the retractable wheels are mounted at opposite sides of the lower edge of the luggage (10) near the lower ends of the pull rods (14), wherein each retractable wheel comprises:a frame (20) that is adapted for attaching to a lower edge of the luggage (10) and having a wheel well (21) defined therein and shaped according to a wheel mount (30) and a wheel (32) which are retractable into and ex...