Patent ID: 11932298
Assignee: ZHEJIANG JIANSHENG LEISURE PRODUCTS CO., LTD
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A folding cart, comprising a frame body and a handle mechanism, the frame body comprising a chassis, four lower hinged seats respectively at four corners of the chassis, a front folding mechanism in front of the chassis, a rear folding mechanism behind the chassis and two side folding mechanisms on a side of the chassis; wherein
a bottom portion of each of the lower hinged seats is provided with wheels;
the chassis is of an X-shaped cross-hinged structure, and four end portions of the chassis are respectively hinged to the four lower hinged seats;
each of the side folding mechanisms comprises at least one X-shaped cross-hinged rod assembly, upper ends of both sides of each of the side folding mechanisms are respectively hinged to upper hinged seats, and lower ends of the both sides of each of the side folding mechanisms are respectively hinged to the corresponding lower hinged seats;
the front folding mechanism comprises at least one X-shaped cross-hinged rod assembly, with upper ends of both sides respectively hinged to the corresponding upper hinged seats and lower ends of the both sides respectively hinged to the corresponding lower hinged seats;
the rear folding mechanism comprises at least one X-shaped cross-hinged rod assembly, with upper ends of both sides respectively hinged to the corresponding upper hinged seats and lower ends of the both sides respectively hinged to the corresponding lower hinged seats;
the handle mechanism comprises a lever, a lever hinged seat disposed on the lever, and two pulling rods respectively hinged to both sides of the lever hinged seat, the lever is slidably inserted into the lever hinged seat, and a lower end of the lever is provided with a lever stopper, so that when the lever is pulled upward, the lever stopper is able to drive the lever hinged seat to move upward, the two pulling rods are respectively hinged to the two lower hinged seats in front of the chassis; and
the X-shaped cross-hinged rod assembly of the front folding mechanism, of the rear folding mechanism and of the side folding mechanisms comprises two hinged cross rods.