Patent ID: 8454033

Claim:
A handcart comprising: a main frame provided with a frame rod that has two ends respectively provided with a positioning member and a fitting hole; a grip having two ends, each end pivotally assembled with a positioning sleeve which is also pivotally combined with said frame rod of said main frame via two joint assemblies; said positioning sleeves movably fitting around said end of said grip and provided with a U-shaped positioning groove at an end; a connecting rod unit connected between said two positioning sleeves and composed of two parallel horizontal rods and two parallel vertical rods fixed between said two parallel horizontal rods, enabling said two positioning sleeves to move together; said two joint assemblies installed between said main frame and said grip, said joint assemblies enabling said grip to become aligned to said main frame or to become vertical to said main frame; said joint assemblies respectively consisting of a pivotal block, a left pivotal base and a right pivotal base, said pivotal block being cross-shaped and having two projections, one upper and one lower, in an intermediate portion, said left and right pivotal base respectively provided with a vertical groove, said vertical groove formed with a blocking surface at an end and a vertical groove formed with a blocking surface at an end and said vertical groove provided with a crosswise pin hole and a said pivotal block of each joint assembly allows said right pivotal base to bend up for 90° relative to said bottom surface of said vertical groove of said left pivotal base so that said connecting rod unit and said positioning sleeves together with said grip may be bent up and down accurately and stably, easily handling for aligning or bending for 90° said grip relative to said main frame.