Equipment Cart Structure for Screen Cases and Table Transport
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Solution Overview
Problem
Conventional video projector screens and multipurpose tables are bulky and difficult to transport due to their disassemblable nature, requiring multiple cases and separate handling, which complicates logistics in the video, audio, and production industries.
Innovation Solution
A transportation cart designed with a base frame, support rails, straps, and ground engaging units to secure and move video projection screen cases, and a frame with vertical supports and cross-members to stabilize and transport multipurpose tables, allowing for efficient handling of these items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional video projector screens are disassembled for storage and transportation, then storage space is reduced, but handling complexity increases due to requiring multiple cases and separate handling
Solution Approach 1:
The patent combines multiple disassembled screen components (screen body, frame, stand) into a single integrated transportation case with unified structure. The case includes integrated handles, wheels, and adjustable supports that work together as one system, eliminating the need to handle multiple separate cases and reducing operational complexity while maintaining compact storage volume
2Stability of the object's composition
If conventional multipurpose tables use telescoping supports for support configuration, then stability is improved, but transportation complexity increases due to assembly and disassembly requirements
Solution Approach 1:
The patent employs telescoping supports that can dynamically change between extended (for stability during use) and retracted (for compact transportation) positions. The supports feature smooth extension and retraction mechanisms with locking positions, allowing the table to transition between stable operational state and compact storage state without complex assembly or disassembly procedures
Solution Approach 2:
The telescoping supports are designed with nested structures where inner tubes slide within outer tubes, allowing the supports to compress into compact forms during transportation. The nested design maintains structural integrity and stability when extended while minimizing volume when retracted, eliminating the need for complete disassembly
3Ease of operation
If multiple conventional multipurpose tables are transported separately, then each table can be handled individually, but overall transportation efficiency decreases
Solution Approach 1:
The patent designs a universal transportation platform with standardized interfaces and adjustable configurations that can accommodate one or multiple multipurpose tables simultaneously. The platform features modular compartments and adjustable restraints that adapt to different table sizes and quantities, allowing users to transport single tables or multiple tables together without requiring separate handling procedures
Data Source
AI summary
A transportation cart configured to transport video projection screen cases comprises a base frame for supporting a video projection screen case; a plurality of ground engaging units for supporting the base frame from a ground surface; a containment frame located a distance above the base frame and connected thereto; and a first and second strap configured to secure cargo. The transportation cart is also configured to transport a plurality of multipurpose tables and comprises a base; a plurality of ground engaging units for supporting the base from a ground surface; a first and second vertical support extending up from the base.