Slidable Cable Lock for Securing Delivery Bags
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Solution Overview
Problem
Home and business deliveries are increasingly common, leading to issues with package theft as unattended packages left at doors are vulnerable to theft, and existing lockable chests are not universally applicable due to size constraints and aesthetic concerns.
Innovation Solution
A cable lock system with slidable cable orifices and a locking mechanism that allows secure closure of a draw string storage bag or pull string bag for delivery items, which can be easily positioned and secured at delivery points, preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If lockable chests are used to secure deliveries, then theft prevention is improved, but the device size and weight increase causing hallway passage difficulties and aesthetic problems
Solution Approach 1:
The invention divides the traditional single large lockable chest into two separate functional components: a flexible drawstring bag for containing deliveries and a compact cable lock for securing the bag. This segmentation allows the security function to be decoupled from large storage structure, enabling hallway usability while maintaining theft prevention.
Solution Approach 2:
The drawstring bag serves as a flexible container that can be easily stored in hallways or small spaces when not in use, unlike rigid chests. The flexibility of the bag combined with the cable lock provides security without the bulk of traditional chests, resolving the contradiction between security and spatial constraints.
2Reliability
If lockable chests are secured to structures, then theft prevention is improved, but mobility between delivery locations is reduced
Solution Approach 1:
The cable lock is designed as a portable, movable security device that can be easily transported between different delivery locations. Unlike fixed-mounted chests, the cable lock can be dynamically repositioned and reattached to various structures (door handles, railings, etc.), providing both security and mobility.
Solution Approach 2:
The security mechanism (cable lock) is extracted from the fixed structural context of traditional chests and made into a standalone portable device. This allows the lock to be removed, transported, and reinstalled at different locations, maintaining theft prevention while enabling mobility between delivery points.
3Reliability
If traditional locks are used on bags, then security is improved, but ease of use for delivery personnel is reduced due to complex locking mechanisms
Solution Approach 1:
The drawstring bag closure mechanism serves a dual function: it naturally secures the bag contents while also providing a simple interface for the cable lock. The drawstring itself acts as the security element when combined with the lock, eliminating the need for separate complex locking mechanisms and making the system intuitive to use for both delivery personnel and recipients.
Data Source
AI summary
A keyed or combination cable lock for securing one or more cables or a lock shackle is presented. The lock secures one or both ends of a single cable or one end each of two separate cables when locked. Alternatively, the lock can secure one or both ends of a lock shackle. When the lock is unlocked, the secured ends can be removed from the lock by activation of a control knob. The lock is also able to a secure a section of a single slidable cable or two sections of a single slidable cable so that the lock can be slid down the slidable cable[s] in first direction when the lock is locked or unlocked, but the lock can be slid down the slidable cable[s] in the opposite direction only when the lock is unlocked and a control knob is activated.