|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; 016/008.CG; 016/034|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 33 인용 특허 : 10|
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 co...
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 extended position and a retracted position: a housing attached to the retractable handle, the housing defining a wheel well; a cowl having a pivot axis and disposed in the wheel well such that the cowl is pivotable between a first position and an second position; a wheel rotatably mounted in the cowl, the wheel adapted to rotate about a...