Hinged Handle Beam for Lateral Cart Engagement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cart and dolly handles are rigid and can only engage with the transport structure from the top or bottom, posing difficulties when a load is present, as they cannot move laterally and require separate storage and transport.
Innovation Solution
A handle with a hinged middle beam that allows the bottom portion to contract and expand, enabling lateral movement and engagement with perpendicular wall faces, using hook portions and locking pins for secure connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rigid handle structure is used, then the handle maintains structural strength and stability, but it cannot move laterally to engage with perpendicular wall faces when a load is present
Solution Approach 1:
The patent applies the dynamics principle by transforming the rigid handle into a dynamic structure with a hinged middle beam that allows lateral movement. The hinge mechanism enables the handle to adapt its configuration during engagement while maintaining structural integrity through controlled motion rather than rigid fixation.
Solution Approach 2:
The handle is segmented into multiple components: a first bar, a second bar, and a hinged middle beam connecting them. This segmentation allows independent movement of each segment, enabling the handle to laterally engage with perpendicular wall faces while maintaining overall structural strength through the coordinated action of segmented parts.
2Adaptability or versatility
If a rigid handle structure is used, then the handle maintains manufacturing simplicity, but it requires separate storage and transport and cannot be easily reconfigured
Solution Approach 1:
The hinged middle beam introduces dynamic reconfigurability to the handle, allowing it to transition between different engagement configurations. This dynamic capability enables the handle to adapt to various loading conditions and engagement scenarios without requiring multiple separate handles for storage and transport.
3Ease of operation
If the handle is designed with a hinged middle beam, then lateral movement and engagement with perpendicular wall faces is enabled, but the device complexity increases
Solution Approach 1:
The hinged middle beam provides controlled dynamic movement that facilitates easy engagement with perpendicular wall faces. The hinge mechanism allows natural lateral movement during the engagement process, reducing the force and complexity required for operation compared to forcing a rigid handle into position.
Solution Approach 2:
By segmenting the handle into bars connected by a hinged beam, the structure achieves ease of engagement through coordinated movement of segments. Each segment can move independently to accommodate the engagement geometry, simplifying the operational process despite the increased structural complexity.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A transport structure, such as a cart or dolly having a handle structure that can be inserted laterally into an opening in the transport structure is provided. The handle structure includes a first connection hook portion and a second connection hook portion moveable from a first spaced position to a second spaced position greater than the first spaced position. The handle structure includes a hinged beam that enables the hook portions to contract and expand from the first position to the second position.