Tamper-Evident Delivery Clip With Breakaway Opening Tab
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Solution Overview
Problem
The increasing popularity of prepared food and fresh grocery deliveries has led to concerns about intentional or accidental tampering and exposure of contents during transport, resulting in safety, quality, and quantity issues, as well as increased operational and customer service costs. The coronavirus pandemic has heightened awareness of the need for a secure and economical mechanism to ensure the chain of custody for food and other items.
Innovation Solution
The use of a secure delivery mechanism, specifically a clip system that secures bags or containers until they are opened by the intended recipient, preventing tampering and accidental exposure. The clip system includes a removable tab that detaches to open the seal, providing visual evidence of opening and ensuring that the contents remain sealed until delivery, thus maintaining the integrity of the items during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a secure delivery mechanism is implemented, then tampering prevention and content security are improved, but device complexity increases
Solution Approach 1:
The clip system is divided into distinct functional segments: a first portion with a post, a second portion with a recess and retaining feature, and a separate removable tab. This segmentation allows each component to perform its specific function while keeping the overall system relatively simple. The tab can be removed independently to trigger the opening mechanism, separating the sealing function from the opening function.
Solution Approach 2:
The removable tab is extracted as a separate, detachable component from the main clip structure. This extracted tab serves as the trigger mechanism that, when removed, initiates the opening sequence by releasing the retaining feature. This extraction simplifies the main clip body while providing a clear tamper-evident indicator.
2Reliability
If a removable tab mechanism is added for opening evidence, then tamper evidence capability is improved, but device complexity increases
Solution Approach 1:
The tab is designed with localized functional properties: it has a specific shape that allows it to engage with the retaining feature, and it is positioned at a specific location on the clip. The tab's removal path is predetermined and localized, providing clear tamper evidence without requiring complex mechanisms throughout the entire clip structure.
Solution Approach 2:
The tab is pre-positioned in a specific orientation and location on the closed clip, engaging with the retaining feature before use. This preliminary positioning ensures that when the tab is removed (by the intended user), it clearly indicates that the seal has been intentionally opened, providing immediate tamper evidence without requiring additional mechanisms.
3Reliability
If a secure clip system is used, then delivery security is improved, but ease of operation decreases
Solution Approach 1:
The clip system is designed to be self-operating once the tab is removed. The removal of the tab automatically triggers the release mechanism, causing the first and second portions to separate without requiring additional manual manipulation. This self-service characteristic maintains ease of operation despite the enhanced security features.
Solution Approach 2:
The clip transitions from a static, locked state (with the tab in place) to a dynamic opening sequence triggered by tab removal. The retaining feature is designed to release automatically when the tab is pulled away, creating a dynamic response that simplifies the opening process for the intended user while maintaining security during transport.
Data Source
AI summary
A securable clip includes a first elongated rectangular portion and a second elongated rectangular portion connected along a common edge. The clip includes at least one locking peg, at least one receiving hole configured to receive the at least one locking peg, and a frangible portion. The frangible portion provides a visual indication that the clip has been opened. The releasing of the locking peg prevents the clip from being reclosed, reused, or sealed again.