Sliding Pet Door Gate With Locking Tab for Secure Easy Access
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Solution Overview
Problem
Existing pet door security solutions, such as flexi pet doors with hard covers and plastic systems with internal locks, are manually operated and fail to meet market needs for easy locking/unlocking and secure operation.
Innovation Solution
A pet door attachment apparatus with sidewalls, a removable gate, a locking tab, and a sliding mechanism, allowing for secure locking/unlocking and easy operation by sliding or swinging the attachment open.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hard cover slide door is placed over a flexi pet door, then security is improved, but ease of operation deteriorates because the user has to manually slide the hard cover door
Solution Approach 1:
The gate portion is designed to move between a lowered position (providing security) and a raised position (allowing pet access), transforming a static security barrier into a dynamic system that adapts to different operational states. The sliding mechanism enables smooth transitions between these states, resolving the contradiction between security and ease of operation.
Solution Approach 2:
The gate portion nests within the frame structure when in the lowered position, creating a compact secure state. When opened, the gate slides upward and can be stored within the frame assembly, allowing easy access while maintaining security when closed. This nested configuration resolves the contradiction by providing both secure closure and easy operation.
2Reliability
If plastic pet door systems with internal locks are used, then security is improved, but ease of operation deteriorates because those doors are manually operated and generally tend to only open one way
Solution Approach 1:
The locking mechanism is designed to dynamically switch between locked and unlocked states, enabling bidirectional operation. The gate can be securely locked in the closed position for security, but can be easily unlocked and opened in either direction, resolving the contradiction between security and ease of operation.
Solution Approach 2:
The locking function is segmented from the gate structure itself, allowing independent control of locking and opening operations. The separate locking mechanism can be engaged or disengaged as needed, enabling secure locked states while maintaining easy bidirectional opening capability when unlocked.
3Ease of operation
If a removable gate with sliding mechanism is used, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The sliding mechanism is merged with the gate structure itself, where the gate portion integrates with the frame and sliding components. This unified design provides easy operation through smooth sliding motion while reducing overall device complexity by eliminating separate mechanical assemblies.
Solution Approach 2:
The frame structure serves multiple functions: it provides structural support, guides the sliding motion, and stores the gate when opened. This multi-functionality reduces the need for additional components, maintaining ease of operation while minimizing device complexity.
Data Source
AI summary
A security door apparatus for a structure including one or more frame portions having sidewalls and a removeable gate. The gate portion can be removably couplable to the sidewalls. Frame portions can include a sliding mechanism and locking mechanism. The door portion can include a first side wall and a second sidewall with an intermediate portion formed between the first and second sidewall. The intermediate portion can be hingedly coupled to one or both of the sidewalls. The apparatus is configured to be placed over an existing pet door for adding extra security. The removeable gate configured to slide up and down and can be locked and unlocked by moving the locking tab between an open and closed position.