|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.29; 280/646; 280/652; 280/639|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 15 인용 특허 : 11|
A foldable handcart can be carried about on its wheels after being folded. The handcart has a handle structure. The lower ends of the handle structure are pivotally coupled to a frame. The frame is formed of a pair of tubes. The lower ends of the tubes are pivotally coupled to a block board. The block board can be rotated upward to contact the frame. The lower ends of the tubes are respectively sleeved by a toothed ring which engages with the teeth on the top of a sleeving tube of a wheel seat. The other side of the wheel seat is pivotally coupled to a ...
What is claimed is: 1. A foldable handcart capable of being carried about on its wheels after being folded, comprising: a handle structure formed of a horizontal handle and a pair of parallel tubes respectively arranged at the left and the right, wherein the lower ends of said handle structure are pivotally coupled to the upper ends of a frame formed of a pair of tubes respectively arranged at the left and the right; a wheel seat, wherein one side of said wheel seat has a sleeving tube used to sleeve the tube of said frame, and the other side of said wh...