Dual-Lock Assembly for Storage Containers with Single Key
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Solution Overview
Problem
Portable storage containers require secure locking mechanisms that not only prevent unauthorized access to their contents but also secure the containers themselves against theft, often necessitating multiple locks and keys, which can be inconvenient and less secure.
Innovation Solution
A dual-lock system comprising a shackle lock and a cable lock, both operated by the same key, allowing for secure attachment of the storage container to a fixed structure and its lid, providing flexibility and convenience with a single key for locking and unlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple locks and keys are used to secure both the container and its lid, then security against unauthorized access and theft is improved, but device complexity and user inconvenience increase
Solution Approach 1:
The lock assembly integrates multiple locking functions into a single device that can secure both the container lid and the container body to external structures. The shackle can be positioned to lock the lid while the cable portion can secure the container body, both operated by one key, eliminating the need for separate locks for different security needs.
Solution Approach 2:
The patent combines a shackle lock and a cable lock into a single integrated lock assembly. The shackle and cable are connected such that both locking mechanisms are controlled by a single key operation, merging two separate security devices into one unified system that provides multiple security functions simultaneously.
2Device complexity
If a single lock is used to secure both the container and its lid, then device complexity is reduced, but security and versatility are compromised
Solution Approach 1:
The lock assembly features a dynamic shackle that can be positioned in multiple configurations. The shackle can be oriented to secure the lid while the cable extends to secure the container body, or the shackle can be repositioned for different locking scenarios. This dynamic positioning capability allows one lock to perform multiple security functions that would traditionally require separate locks.
Solution Approach 2:
The lock assembly is segmented into distinct functional components - the shackle portion for lid security and the cable portion for container body security - that work together as a unified system. This segmentation allows each component to perform its specific security function while being controlled by a single key, maintaining versatility without requiring multiple separate locks.
3Reliability
If separate keys are used for locking the container lid and securing the container to external structures, then security is maintained, but ease of operation is reduced
Solution Approach 1:
The lock assembly provides universal security through a single key that operates both the shackle locking mechanism for the lid and the cable locking mechanism for the container body. This multi-functional key design eliminates the need to carry and manage multiple keys while maintaining comprehensive security coverage for all container components.
Solution Approach 2:
The patent merges the key control mechanisms for the shackle and cable locks into a single key-operated system. Both locking functions respond to the same key insertion and rotation actions, combining what would traditionally require separate key operations into one unified, convenient user interaction while preserving the security of both locking mechanisms.
Data Source
AI summary
The method comprises a technique for securing a storage container to a fixed structure or object. The steps include providing a container having a compartment for storage and a lid for covering the container. The container is located near the fixed structure, such as a truck bed. The container is secured to the structure with a first lock having a first lock body and a cable by using a key. The lid of the container is secured to the container using a second lock, the second lock having a second lock body and a shackle. Though the two locks are different, they each use the same key to lock and unlock each lock.