Foldable support frame and foldable chair
The foldable support frame with an elastic self-locking mechanism provides stability and safety during use while allowing effortless folding, addressing the instability and laborious unfolding issues of existing C-shaped frames.
US20260150969A1Pending Publication Date: 2026-06-04ZHU JIANG
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- ZHU JIANG
- Filing Date
- 2024-12-03
- Publication Date
- 2026-06-04
AI Technical Summary
Technical Problem
Existing foldable chairs with C-shaped frames suffer from instability and require significant force to unfold, leading to potential accidental folding and laborious operation.
Method used
A foldable support frame with an elastic self-locking mechanism that automatically locks the connecting rods when unfolded, allowing easy unfolding and stable use, and a simple unlocking mechanism for folding with minimal effort.
Benefits of technology
Ensures stable and safe operation with automatic locking during use and easy folding with reduced effort, enhancing user convenience and safety.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure US20260150969A1-D00000_ABST
Abstract
Disclosed are a foldable support frame and a foldable chair, including a rear support seat, two front support seats, two side connecting rods, a first front connecting rod, a second front connecting rod, and an adapter seat; the two front support seats are symmetrically arranged in front of the rear support seat; one end of either of the two side connecting rods is rotatably connected to the rear support seat, the other ends of the two side connecting rods are fixedly connected to the two front support seats, the first front connecting rod is rotatably connected to one of the front support seats and the adapter seat, the second front connecting rod is connected to the other front support seat and the adapter seat; and an elastic self-locking piece is arranged on the first front connecting rod, and a locking hole is formed in the adapter seat.
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