Foldable frame
AssigneeZenithen USA LLC d/b/a Z Company
InventorsAndrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
Life of this patent
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Abstract
The invention relates to a foldable frame that can unfold into a complete open structure, and is convenient for converting into a storage container with an upward facing opening. The upper frame body and lower frame body are connected with the central pillars and support rods on both sides, and form a 6-pillar support structure at both ends of the frame, so that the frame can support more weight, realize multi-layer stacking or support other articles, such as desktop or seat surface.
Claims8
A foldable frame, comprising an upper frame body, a lower frame body and central pillars, wherein the central pillar is at both ends of the frame, and supports the upper frame body and lower frame body;
- where, the upper frame body and lower frame body are respectively hinged with the ends of two symmetrical or equivalent U-shaped rods, the ends of two U-shaped rods of the said upper frame body and lower frame body are respectively hinged at the upper end and lower end of the central pillar;
- the said central pillar is equipped on either side with a support rod, both ends of which are respectively hinged with the U-shaped rod of the upper frame body and lower frame body;
- and
- an inclined U-shaped rod is also provided between both ends of the frame, two arms of the inclined U-shaped rod are respectively hinged on the support rod at both ends of the frame, and two ends of it are respectively hinged on sliding blocks of two central pillars, the sliding block is slidably covered on the central pillar, and when the frame is unfolded in place, the said sliding block is against the hinge joint of the U-shaped rod of the lower frame body and central pillar.
Dependencies are inferred from the claim text.