Angled Display Cart Assembly for Stable Multi-Screen Support
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Solution Overview
Problem
Existing cart assemblies for supporting displays lack flexibility and stability, especially when multiple displays are arranged for applications like remote conference calls, as they often require adjustable mounting and balanced positioning to maintain stability without a broad base footprint.
Innovation Solution
A cart assembly design featuring a front and rear frame with an acute angle configuration, an upper frame connecting the two, and mounting members that support displays, along with optional accessories like shelves and baskets, allowing for adjustable display positioning and balanced stability with a compact footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a traditional cart assembly uses a broad base footprint to ensure stability, then stability is improved, but the area occupied by the cart increases
Solution Approach 1:
The cart assembly employs an asymmetric frame configuration where the rear frame extends backward at an acute angle (5-45 degrees) relative to the vertical plane, creating an uneven weight distribution that enhances stability without requiring a symmetric broad base. The upper free end of the rear frame is cantilevered over the upper frame, providing structural balance in a compact asymmetric footprint.
Solution Approach 2:
The patent extends the stability solution into the angular dimension by configuring the rear frame to extend at an acute angle relative to the vertical plane. This angular configuration allows the cart to achieve stable triangular geometry without expanding the horizontal base footprint, effectively using dimensional transformation to resolve the contradiction between stability and compactness.
2Adaptability or versatility
If multiple displays are mounted on the cart assembly, then versatility is improved, but the weight of the cart increases
Solution Approach 1:
The cart assembly incorporates separate mounting members that can be independently coupled to different parts of the frame structure. The first mounting member couples to the upper free end of the rear frame, while the second mounting member couples to the front frame, allowing displays to be segmented and positioned independently without requiring a single heavy integrated mounting structure.
Solution Approach 2:
The frame structure is designed with multiple coupling points and universal mounting capabilities that can support various display configurations. The same frame members and mounting mechanisms can accommodate different numbers and types of displays, providing multi-functionality without proportionally increasing overall cart weight.
3Adaptability or versatility
If the rear frame extends at a larger acute angle for better display positioning, then adaptability is improved, but the structural strength decreases
Solution Approach 1:
The patent specifies an optimized parameter range for the rear frame angle (5-45 degrees relative to the vertical plane) that balances adaptability and structural strength. This parameter optimization allows sufficient angular variation for display positioning flexibility while maintaining the structural integrity of the frame through mathematically determined optimal ranges.
Solution Approach 2:
The upper free end of the rear frame is cantilevered over the upper frame, creating a counterbalancing structural arrangement. This cantilevered configuration provides structural reinforcement that compensates for the reduced strength that would result from larger acute angles, allowing greater positioning flexibility without sacrificing frame strength.
Data Source
AI summary
A cart assembly includes a front frame, a rear frame, and an upper frame. The rear frame extends toward the front frame at a first angle relative to a vertical plane. The upper frame is connected between an upper end of the front frame and a portion of the rear frame. An upper free end of the rear frame is cantilevered over the upper frame and supports a mounting member configured to support a display.