Snap-on Locking Device for Toggle Light Switches
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Solution Overview
Problem
Existing locking devices for toggle light switches are often bulky, require tools for installation, and cannot be securely attached to switch plates without screws, posing a risk of electrical shock and altering the environment's appearance.
Innovation Solution
A snap-on locking device with a partial rectangular cuboid member and planar torque arm, featuring tapered planar locking members with protrusions that slide into interstices between the switch plate and rotary hub, preventing rotation without the need for tools or screws, and blending with the décor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing locking devices are attached to switch plates using screws or clips, then the locking function is achieved, but the device becomes bulky and requires tools for installation
Solution Approach 1:
The locking device is nested within the switch plate assembly, with the locking member fitting into a recess formed by the switch plate and toggle switch housing. This nesting approach eliminates the need for external mounting hardware and reduces overall device bulk while maintaining secure attachment.
Solution Approach 2:
The invention extracts the mounting function from the locking device itself and integrates it into the interaction between the locking member and the switch plate recess. By removing the need for separate screws or clips, the device becomes simpler and does not require installation tools.
2Reliability
If locking devices are mounted to switch plates, then they can prevent switch operation, but they alter the appearance of the environment
Solution Approach 1:
The locking member nests within a recess that is formed by the switch plate and toggle switch housing themselves. This integration causes the locking device to be flush with the switch plate surface and blend with the existing components, maintaining aesthetic appearance while providing secure locking functionality.
3Strength
If locking devices require screw installation, then secure attachment is achieved, but the risk of electrical shock increases during installation
Solution Approach 1:
The invention extracts the attachment mechanism from the category of electrical installation operations. By using a simple snap-on action that relies on mechanical engagement with a recess rather than electrical screw fastening, the device eliminates the need for tools and reduces electrical shock risk during installation while maintaining secure attachment.
4Adaptability or versatility
If locking devices are designed to fit various switch plates, then versatility is improved, but the device becomes more complex
Solution Approach 1:
The locking member is designed with a universal geometry that can engage with the recess formed by any standard toggle switch and switch plate combination. The tapered surface and engagement features are configured to work with the common dimensions and configurations of existing switch assemblies, providing broad compatibility without requiring multiple specialized designs.
Data Source
AI summary
A method of applying a switch locking device to a wall switch to prevent actuation of the wall switch. The wall switch has an actuator member extending through a toggle frame in a switch plate. With the switch in the desired on or off position, the snap-on locking device will be placed in the gap between the actuator member and the toggle frame. Operation of the switch is prevented by the arm of body that goes between the actuator member and the toggle frame surface.