Blind Locking System with Spring-Loaded Snap-Fit Catch
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Solution Overview
Problem
Existing apparatus for attaching blinds to wall brackets often result in the blind disconnecting during routine operations or incorrect use, leading to damage and inconvenience, especially when lugs accidentally fall out during cleaning or removal.
Innovation Solution
A secure attachment system comprising a locking element with a snap-fit catch, a spindle, a rotatable sprocket, and a nose cone, allowing the sprocket to be driven by turning the nose cone, which locks into a casing and prevents accidental disengagement, using a spring action to keep the blind securely attached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple attachment system is used, then ease of installation is improved, but reliability of attachment deteriorates (blinds may disconnect during routine operations)
Solution Approach 1:
The attachment system is divided into separate functional components: a locking element with catch mechanism, a spindle with lugs, and a bracket with slots. This segmentation allows each component to perform its specific function while maintaining overall simplicity of installation and high reliability of attachment.
Solution Approach 2:
The locking element is pre-configured with a catch that engages with the bracket slot before the blind is fully installed. The spring-loaded catch is prepared in advance to automatically secure the blind once positioned, preventing disconnection during routine operations while keeping the installation process simple.
2Reliability
If a secure locking mechanism is implemented, then reliability of attachment is improved, but device complexity increases
Solution Approach 1:
The spring-loaded catch mechanism is designed to automatically engage and lock the blind to the bracket without requiring additional locking actions or complex mechanisms. The system serves itself by using the insertion motion to compress the spring and trigger the catch engagement, achieving reliable attachment while maintaining simplicity.
Solution Approach 2:
The locking mechanism uses simple, inexpensive components such as a spring-loaded catch and plastic lugs that can be easily manufactured and replaced if needed. This approach maintains low device complexity while ensuring reliable attachment through robust, failure-resistant design.
3Ease of operation
If lugs are made easily removable, then ease of operation is improved, but reliability deteriorates (lugs may accidentally fall out during cleaning)
Solution Approach 1:
The lug and slot connection transitions from a static fixed connection to a dynamic controlled connection. The spring-loaded catch allows the lugs to be easily pushed through the slots for removal while automatically securing them during normal use. The system adapts its state based on applied force, providing ease of operation when needed and reliable attachment during routine operations.
Solution Approach 2:
The connection strength between lugs and bracket changes based on the state of the spring-loaded catch. During normal use, the catch engages to provide strong attachment. During intentional removal, applying force changes the parameter by compressing the spring and disengaging the catch, allowing easy removal without accidental disengagement during cleaning or light use.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively prevents blinds from falling off during normal or abusive use, facilitates easy installation and removal, and allows for intuitive operation, ensuring the blind remains securely attached and operational.
Implementation Method 1
The catch may have a spring action which may be resiliently deformable around an axis
Implementation Method 2
the catch is capable of engaging with the bracket in a snap-fit arrangement and thereby securely attaching the apparatus and the blind to the bracket
Data Source
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AI summary
There is herein described apparatus for securely attaching a blind to a bracket. More particularly, there is described apparatus for securely attaching a blind to a bracket during routine operations using a spring action.