Pet Collar Latch Assembly with Cam Lock and Cut-Resistant Cord
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Solution Overview
Problem
Conventional pet leashes and collars are ineffective in preventing pet theft as they can be easily cut or lack locking mechanisms, leaving pets unsecured when left unattended.
Innovation Solution
A size-adjustable pet leash and collar system featuring a latch assembly with a cam and eyes that engage a lock, combined with a cut-resistant and abrasion-resistant cord, and a locking carabiner with a 3-dial combination lock to secure the leash to the collar and prevent unauthorized removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pet leashes and collars are used, then they are simple and easy to operate, but they can be easily cut and lack locking mechanisms, providing poor security against theft
Solution Approach 1:
The collar is divided into modular components including a latch assembly with front and back plate covers, a cam mechanism, eyes for locking, and a separate cord. This segmentation allows each component to perform its specific function while maintaining overall security without excessive complexity.
Solution Approach 2:
The cam mechanism provides dynamic locking and unlocking capability. The cam can rotate to engage or disengage from the eyes, transforming the static collar into a dynamically controllable security system that transitions between locked and unlocked states.
2Reliability
If a secure locking mechanism is added to prevent theft, then security is improved, but the device becomes more complex and harder to operate
Solution Approach 1:
The cam mechanism is designed to be manually operable by the pet owner without requiring external tools or complex procedures. The owner can easily rotate the cam to lock or unlock the collar themselves, making the system self-service oriented and maintaining ease of operation.
3Reliability
If the cord is made cut-resistant and abrasion-resistant, then security is improved, but the material selection and manufacturing become more difficult
Solution Approach 1:
The cord is constructed as a composite material system combining steel wire core for cut resistance, plastic coating for abrasion resistance, and nylon sheath for chew resistance. This multi-layer composite structure provides comprehensive protection against various threats while using standard manufacturing processes for each layer.
Data Source
AI summary
A pet collar for preventing pet theft includes a latch assembly selectively movable between an open position and a closed position. The latch assembly has a front plate cover, a back plate cover, a cam pivotally secured to and positioned in between the front and back plate covers, a first eye extending from a surface of the front plate cover, and a second eye extending from a surface of the cam. The latch assembly includes a cord having a first end secured to the latch assembly and a second end secured to a portion of the cord. The cord extends through a channel defined by the front and back plate covers.