|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.29 ; 280/047.371 ; 280/655|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 39 인용 특허 : 17|
A collapsible cart includes a pivotable platform, a pivotable handle, and collapsible and adjustable tube assemblies for placing the cart in an extended or retracted position. The cart opens to a two-wheel hand truck or a four-wheel cart. It also closes to a compact configuration, making it highly portable and easy to store.
[ What is claimed is:] [1.] A collapsible and adjustable cart comprising:(a) a first tube assembly including first and second tubes, the first tube extending into the second tube in telescoping relation with the second tube;(b) a second tube assembly including third and fourth tubes, the third tube extending into the fourth tube in telescoping relation with the fourth tube;(c) first latching means disposed between the first and second tube assemblies for locking one tube of each assembly relative to the other tube;(d) support means secured to end portion...