T-Shaped Strap Assembly for Cargo Restraint
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Solution Overview
Problem
Existing cargo restraining devices for vehicles are complex, difficult to use, not easily adaptable to large differences in load size, and expensive to manufacture, failing to effectively secure cargo during transportation and prevent hazards such as shifting or ejection.
Innovation Solution
A T-shaped, three-buckle assembly coupled to a T-shaped strap assembly with tie-down clips and straps that can be positioned at various locations, providing a compact, universal, and cost-effective solution for securing cargo by wrapping straps around and over the load, anchored to the vehicle, preventing tipping and shifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex cargo restraining devices with multiple straps and interconnected structures are used, then cargo security is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The cargo restraining device is divided into modular components: a T-shaped strap assembly with three separate strap ends, a T-shaped buckle assembly with three independent buckles, and multiple removable tie-down clips. Each component performs a specific function and can be independently adjusted or replaced, simplifying the overall system while maintaining security.
Solution Approach 2:
The T-shaped strap and buckle assemblies serve multiple functions simultaneously: the three strap ends can restrain cargo from different directions (sides and top), the same assembly can adapt to various cargo sizes and shapes, and the device can be used in different vehicle types (trucks, trailers, boats). This multi-functionality reduces the need for multiple specialized devices.
2Ease of manufacture
If fixed-configuration cargo restraining devices are used, then manufacturing cost is reduced, but adaptability to different load sizes decreases
Solution Approach 1:
The device incorporates adjustable elements including three separate buckles that can be positioned at different locations along the strap ends, and multiple tie-down clips that can be attached at various positions. This dynamic adjustability allows the same device to accommodate different cargo dimensions without requiring multiple fixed-configuration devices.
Solution Approach 2:
The effective length and configuration of the restraining straps can be changed by adjusting buckle positions and selecting different tie-down clip locations. The strap assembly can be configured to provide different levels of tension and coverage, allowing adaptation to various load sizes while using the same basic device structure.
3Reliability
If multiple interconnected straps forming nets or blankets are used, then cargo coverage is improved, but ease of operation decreases
Solution Approach 1:
Instead of a single complex net or blanket structure, the device uses three separate strap ends that can be independently positioned and secured. Each strap end can be handled and adjusted separately, making the device easier to operate while still providing comprehensive cargo coverage through coordinated positioning of all three straps.
Solution Approach 2:
The device extracts the essential restraining function from complex interconnected nets and implements it through simpler, separate strap elements. The T-shaped configuration with three independent strap ends provides the necessary coverage without requiring the complexity of interconnected net structures, thereby improving ease of operation.
4Reliability
If comprehensive cargo securing systems are used, then prevention of cargo shifting is improved, but device complexity increases
Solution Approach 1:
The device applies restraining force at three specific locations: two strap ends restraining the cargo from the sides and one strap end restraining from the top. This localized application of restraint at critical points effectively prevents cargo shifting in multiple directions without requiring a complex system that restrains every surface of the cargo.
Data Source
AI summary
A cargo restraining apparatus includes a T-shaped buckle assembly configured to couple to a T-shaped strap assembly. The T-shaped strap assembly is configured to extend around and over the cargo and be secured to the cargo with the T-shaped buckle assembly. A plurality of tie-down clips is coupled to the T-shaped strap assembly at various locations along the sections of straps extending around the cargo. Each tie-down clip is configured to be coupled to a corresponding tie-down strap that extends from the clip to an anchor point of the vehicle or trailer.