Adjustable Bed Rail Clamp Assembly for Anti-Slip Cross Supports
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Solution Overview
Problem
Conventional bed frame cross support members tend to warp, twist, or sag under the weight of a box spring and mattress, especially in wider beds, and existing clamp assemblies for securing overlapping cross members are prone to slippage or require expensive manufacturing processes.
Innovation Solution
A clamp assembly with a pivotally secured leg assembly and adjustable height feature, utilizing a plastic insert and wing nut for adjustable height, and a locking plate for secure positioning, allowing nested leg configurations for increased stability and adjustability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional clamp assemblies are used to secure overlapping cross support members, then the cross members can be secured together, but the clamp assembly is prone to slippage and requires expensive manufacturing processes
Solution Approach 1:
The clamp assembly is divided into distinct functional segments: a clamp body for securing the members, a leg assembly for adjustable positioning, and a locking mechanism for securing the adjustment. This segmentation allows each component to be manufactured independently using simpler, less expensive processes while maintaining overall reliability.
Solution Approach 2:
A locking plate serves as an intermediary component between the leg assembly and the clamp body, providing a simple mechanical locking interface that prevents slippage without requiring complex manufacturing. The locking plate engages with corresponding features on adjacent components to secure the assembly.
2Adaptability or versatility
If fixed height cross support members are used, then the manufacturing is simpler, but the bed frame cannot accommodate varying bed sizes and configurations
Solution Approach 1:
The leg assembly incorporates pivotal connections that allow the legs to rotate between a stowed position (reducing complexity) and an deployed position (providing height adjustment). This dynamic capability enables the same structure to serve multiple functions without permanently increasing device complexity.
Solution Approach 2:
The leg assembly features nested configurations where legs can be positioned inside or outside the clamp body depending on the required height adjustment. This nesting approach allows compact storage when adjustment is not needed while providing extended reach when height variation is required.
3Adaptability or versatility
If non-adjustable cross support members are used, then the structure is more stable, but the bed frame cannot be adapted to different bed sizes
Solution Approach 1:
The clamp assembly is pre-configured with pivotal connections and locking mechanisms that maintain structural stability during the adjustment process. The preliminary design ensures that stability is preserved both in the adjusted and unadjusted states, eliminating the need to choose between adaptability and stability.
Data Source
AI summary
A clamp assembly for securing a pair of overlapping cross support members extending between two opposed side rails of a bed frame is provided. The clamp assembly includes a unitary clamp body, a leg assembly pivotally secured to the clamp body and a locking plate pivotally secured to the clamp body. In order to prevent the cross support members from sliding relative to one another, the leg assembly exerts force on the overlapping cross support members. The leg assembly may comprise a first leg pivotally secured to the clamp body, a plastic insert and a foot member. Alternatively, the leg assembly may comprise a first leg nestably secured to a second leg in order to increase the length of the leg assembly.