Patent ID: 7441785
Filing Date: 2008-10-28
Classification: B62B

Abstract:
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 wheel seat has a clamp socket used to accommodate a wheel, and said wheel is pivotally coupled to said clamp socket with a bolt; a block board, wherein the rear side of said block board has a back wall vertical to said block board, and two lugs are respectively arranged in the left and right sides of said block board and respectively pivotally coupled to the lower ends of the tubes of said frame; when said block board is rotated upward, said back wall is apart from the ground by an appropriate distance, and said wheels can thus contact the ground; and two toothed ring, wherein the top of each said sleeving tube is expanded outward with a plurality of teeth annularly arranged thereinside; each said toothed ring is a hollow tube and used to sleeve the tube of said frame, and a plurality of teeth is annularly arranged in the lower portion of each said toothed ring, and said teeth engage with said teeth of said sleeving tube.