Molded Plastic Pallet Protector Shield
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Solution Overview
Problem
Standard wooden pallets are prone to damage during handling due to mishaps, leading to reduced lifespan and potential damage to the goods they support, necessitating a solution for reinforcement that adapts low-tech pallet technology into a more robust and long-lasting high-tech pallet.
Innovation Solution
A protective shield with a rectangular shape and angled protrusions is affixed to the pallet, providing a beveled top edge and segmented bottom edge, allowing tines to enter while distributing and absorbing the force of impact, thus protecting the pallet from damage and maintaining standard dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard wooden pallets are used without reinforcement, then manufacturing cost and simplicity are maintained, but they are prone to damage during handling and have reduced lifespan
Solution Approach 1:
The protective shield is divided into multiple functional segments: a faceplate for impact absorption, protrusions for engagement with pallet entry openings, and attachment means for securing to the pallet. This segmentation allows each component to address specific damage modes while maintaining overall structural integrity without excessive complexity.
Solution Approach 2:
The protective shield combines different material properties in a single component - the faceplate uses impact-resistant material while the protrusions and attachment means are designed for engagement and securing. This composite approach enhances reliability by addressing multiple failure modes simultaneously.
2Strength
If protective reinforcement is added to pallets, then damage resistance is improved, but the device complexity increases
Solution Approach 1:
The protective shield performs multiple functions within a single component: the faceplate absorbs impact forces, the protrusions engage with pallet entry openings to prevent fork damage, and the attachment means secure the shield to the pallet. This multi-functionality enhances strength without proportionally increasing device complexity.
Solution Approach 2:
The protective shield is attached to the pallet before use, pre-positioning the protective elements in place. The protrusions are designed to automatically engage with the pallet's entry openings upon attachment, providing immediate protection against fork damage without requiring additional assembly steps during pallet operations.
3Object-affected harmful factors
If protective shield with protrusions is attached to pallet, then impact force is distributed and damage is prevented, but the shield structure becomes more complex
Solution Approach 1:
The protective shield concentrates protective mass where it is most needed - the faceplate provides impact absorption at the front surface, while the protrusions are positioned to engage with specific pallet entry openings. This localized quality distribution addresses impact damage at critical locations without requiring uniform reinforcement throughout the entire shield structure.
Solution Approach 2:
The protrusions extend from the faceplate in a direction perpendicular to the impact surface, creating a third dimension of protection. This dimensional extension allows the shield to engage with pallet entry openings and prevent fork insertion from angles that would otherwise damage the pallet, distributing impact forces across multiple spatial dimensions.
Data Source
Figure 1~2
Figure 3A~3F
Figure 4
AI summary
A pallet protector unitarily formed as a molded plastic part reinforces a wooden pallet. Its faceplate is nailed or screwed to the front and optionally the back face and side faces of the pallet. The protector has entry openings for the tines of a forklift and the openings are articulated into hollow collars that extend into the pallets inner regions. These collars provide a structure that accepts the weight and moment between the tines and the pallet and spread it across of the entire front of the pallet. RFID modules can also be included.