|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||160/34 ; 160/18B ; 190/018A ; 190/115 ; 280/037|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 29 인용 특허 : 4|
A wheel device is secured to a suitcase and has one or more oblong holes for slidably receiving a rod, a bracket pivotally secured to the casing for supporting a wheel, and a link pivotally coupling the bracket to the rod. A lever is coupled to the casing and engaged with the rod for moving the rod along the oblong hole of the casing. The bracket and the wheel may be moved outward and inward of the casing when the rod is moved to either of the ends of the oblong hole of the casing. The suitcase has a handle for actuating the lever to move the rod along t...
[ I Claim:] [1.]1. A wheel device comprising:a casing including at least one oblong hole formed therein and having two ends,a rod slidably received in said at least one oblong hole of said casing and slidable between said ends of said at least one oblong hole of said casing,a bracket pivotally secured to said casing at a pivot shaft,a wheel rotatably secured to said bracket and movable outward of said casing when said bracket is rotated relative to said casing about said pivot shaft,a link pivotally coupling said bracket to said rod, andmeans for moving ...