|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A45C-005/00 A45C-013/26 A45C-013/00|
|미국특허분류(USC)||190/018.A; 190/115; 280/037; 280/655; 280/047.315; 016/018.CG; 016/034|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 16 인용 특허 : 13|
A retractable wheel assembly (110) for a carrier (100) is disclosed wherein the wheels (120) are rotatably mounted in cowls (130), which are pivotably disposed in wheel wells (116L, 116R) on a housing. The cowls are connected with a cowl axle assembly (140) that includes a coil spring, preferably a constant force spring (150) that biases the cowls towards a retracted position. The constant force spring is connected to a retractable handle (104), preferably with a spring engagement member (160), such that extending the retractable handle will bias the cow...
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A retractable wheel assembly for a carrier comprising: a retractable handle that is movable between an first position and a second position: a closable container attached to the retractable handle; a left wheel support structure, a right wheel support structure, and an axle drivably attached to the left and right wheel support structures, the axle being pivotably attached to the closeable container such that the axle is pivotable about a fi...