Switch Cover With Removable Shield For Access
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Solution Overview
Problem
Existing devices for preventing inadvertent activation or deactivation of light/electrical switches lack versatility and do not provide easy access when needed, as they either block all access or offer no protection.
Innovation Solution
A protective cover with a fastening flange, a shield portion to block access, and snap-off tabs that can be removed to allow access to toggle or rocker switches, providing a balance between security and usability by allowing limited or complete access depending on the configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective cover is installed to block all access to the switch, then switch activation is prevented, but the switch becomes completely inaccessible and unusable
Solution Approach 1:
The protective cover is divided into a stationary base portion and a removable shield portion. The base remains fixed to provide continuous protection, while the shield can be removed when switch access is needed. This segmentation allows the system to provide both protection and accessibility without compromising either function.
Solution Approach 2:
The shield portion transitions from a static blocking element to a dynamic component that can be removed or repositioned. This dynamic characteristic allows the cover to adapt between providing full protection and allowing access, resolving the contradiction between preventing inadvertent activation and enabling intentional use.
2Reliability
If a protective cover blocks all access to the switch, then safety is improved, but versatility is reduced as the switch cannot be accessed when needed
Solution Approach 1:
By dividing the cover into removable and stationary portions, the system gains adaptability. Users can configure the cover to provide different levels of protection or complete access removal depending on the situation, while maintaining safety when the shield is in place.
Solution Approach 2:
The protective cover serves multiple functions: it can provide full protection when the shield is attached, partial protection when the shield is repositioned, or complete access when removed. This multi-functionality increases versatility without compromising the fundamental safety purpose.
3Reliability
If existing protective devices are used, then switch protection is achieved, but device complexity increases due to multiple components and installation steps
Solution Approach 1:
The shield and base are designed to fit together as an integrated assembly that can be installed as a single unit. The shield attaches to the base through simple engagement features, reducing the number of separate installation steps and components while maintaining the protective function.
Solution Approach 2:
While segmented into two portions, the design minimizes complexity by using simple attachment mechanisms and allowing the portions to be easily assembled or separated. This segmentation provides functionality without requiring complex multi-component systems.
Data Source
AI summary
The instant invention teaches a protective cover for an electrical switch forming part of an electrical circuit having three key components: a fastening flange adapted to be secured to a cover plate for the switch, a shield portion connected to the fastening flange which serves to help block accidental contact, activation and/or access to the electrical switch, but does not totally prevent intentional movement of the switch by a user (especially via a hand-held tool), and a snap off tab or tabs forming part of the shield portion, with the snap off tab or tabs being adapted to be snapped off and removed to allow freer access to and movement of the electrical switch by a user while still providing significant protection against accidental contact and activation.