Modular Shelf Board with Engaging Units for Quick Cart Assembly
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Solution Overview
Problem
Conventional carts with multiple shelf boards are either non-dismountable, leading to increased storage needs, or have complex pivotable structures that are prone to damage and costly to manufacture, making them difficult to assemble and disassemble.
Innovation Solution
A shelf board system with engaging units that can connect to column or decoration members, allowing for easy assembly and disassembly, enabling the shelf board to be positioned flexibly and used as either a top or lower shelf, and facilitating mass production by using detachable components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the cart has a non-dismountable structure, then the storage space requirement is increased, but the structure is simple and durable
Solution Approach 1:
The cart is divided into separable components: shelf boards and column members. The shelf board can be detached from the column member through the engaging unit mechanism, allowing the cart to be disassembled into smaller segments for compact storage while maintaining structural integrity when assembled.
Solution Approach 2:
The engaging unit provides a dynamic connection mechanism that allows the shelf board to be easily attached to and detached from the column member. This dynamic feature enables quick assembly and disassembly without complex tools or procedures, resolving the contradiction between storage convenience and manufacturing ease.
2Volume of moving object
If the cart has a pivotable structure for folding, then the storage space is reduced, but the structure becomes complicated and prone to damage
Solution Approach 1:
Instead of using a complex pivotable folding structure, the invention segments the cart into detachable shelf boards and column members. This simpler segmentation approach reduces structural complexity while still enabling compact storage through disassembly, avoiding the reliability issues associated with complicated pivot mechanisms.
3Volume of moving object
If the cart has a pivotable structure, then the storage space is reduced, but the manufacturing cost and difficulty increase
Solution Approach 1:
The cart structure is segmented into standardized shelf boards and column members with simple engaging units. This segmentation allows for easier manufacturing compared to complex pivotable structures, as each component can be produced independently using simpler processes while still achieving compact storage when disassembled.
Solution Approach 2:
The shelf board with the engaging unit serves multiple functions: it provides the shelf surface, enables easy attachment/detachment to column members, and allows for reconfiguration. This multi-functionality eliminates the need for separate pivot mechanisms, reducing manufacturing complexity while maintaining storage efficiency.
4Stability of the object's composition
If the shelf board is fixed to the column member, then the structural stability is improved, but the adaptability and reconfigurability are reduced
Solution Approach 1:
The engaging unit creates a dynamic connection between the shelf board and column member that provides stability when assembled but allows easy detachment and repositioning. This dynamic feature enables the shelf board to be securely fixed during use for stability while permitting quick reconfiguration for adaptability, resolving the contradiction between these two requirements.
Data Source
AI summary
A shelf board is for being disposed on a cart including a plurality of column members and at least one decoration member. The shelf board includes a bottom board and a lateral wall. The lateral wall is connected to the bottom board to enclose a receiving space therebetween. The shelf board further has at least one engaging unit. The at least one engaging unit is adapted for connecting to a member for connecting. The member for connecting is one of the plurality of the column members or the at least one decoration member. A cart including the shelf board is also provided.