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US 12,179,820 B1Granted
Folding cart
OwnerZelian Jianginventor
Life of this patent
Estimating the term…
Abstract
The present application provides a folding cart. Inclined rods are added between top rods and bottom rods, so that a supporting strength between the top rods and the bottom rods can be increased. The inclined rods are slidably connected to the bottom rods or a frame, so that stability of folding deformation is improved. According to the present application, an overall structural strength and folding stability of a side frame are improved, use requirements of users can be met to the greatest extent.
Claims15
A folding cart, comprising:
- a front frame and a rear frame that are arranged in a front-rear manner and a side frame arranged therebetween for unfolding and folding, wherein the side frame comprises a front top rod, a front bottom rod, a rear top rod and a rear bottom rod, front ends of the front top rod and the front bottom rod are pivoted to an upper side and a lower side of the front frame respectively, rear ends of the rear top rod and the rear bottom rod are pivoted to an upper side and a lower side of the rear frame respectively, a rear side of the front top rod is pivoted to a front side of the rear top rod, and a rear side of the front bottom rod is pivoted to a front side of the rear bottom rod;
- and characterized in that:
- the side frame further comprises a front inclined rod and a rear inclined rod;
- an upper end of the front inclined rod is hinged between the front top rod and the rear top rod, and a lower end thereof is slidably connected to the front frame or the front bottom rod;
- and
- an upper end of the rear inclined rod is hinged between the front top rod and the rear top rod, and a lower end thereof is slidably connected to the rear frame or the rear bottom rod.
3 more elements
Dependencies are inferred from the claim text.