Soundbar Mounting via Spring-Loaded Plungers
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Solution Overview
Problem
The existing methods for mounting soundbars to flatscreen TVs require tools and can damage the wall surface, making the process inaccessible to users without technical skills and increasing the risk of damage.
Innovation Solution
A 'push-and-click' fastening system integrated into the soundbar, utilizing spring-loaded caps, balls, or plungers, and thumbscrews to securely attach and detach the soundbar from the TV without tools, using channels and retaining surfaces for secure locking and easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If brackets and screws are used to secure the soundbar to the TV, then the soundbar is firmly mounted, but the process requires tools and technical skills that not all users possess
Solution Approach 1:
The patent replaces the traditional screw-and-bracket mechanical fastening system with a spring-loaded plunger mechanism that uses elastic deformation and mechanical interlocking. The plunger compresses the spring during insertion and locks into a retaining groove, providing secure mounting without requiring screws or tools, thus resolving the contradiction between mounting security and installation complexity
Solution Approach 2:
The spring-loaded plunger mechanism is self-actuating during installation. When the soundbar is pushed toward the TV, the plunger automatically compresses the spring and locks into place, eliminating the need for user intervention with tools or technical knowledge. The mechanism serves itself to achieve secure mounting, resolving the contradiction by making the process foolproof while maintaining reliability
2Reliability
If traditional mounting methods are used, then the soundbar is securely attached, but the semi-permanent mounting may damage the wall surface
Solution Approach 1:
The patent extracts the mounting function from the wall surface by using the TV's existing bottom surface as the mounting base. The spring-loaded plunger mechanism attaches the soundbar to the TV without requiring any modifications to the wall, thereby eliminating wall damage risk while maintaining secure attachment through the mechanical locking mechanism
Solution Approach 2:
The TV's bottom surface serves as an intermediary mounting surface between the wall and the soundbar. Instead of directly mounting the soundbar to the wall with screws (which could cause damage), the patent uses the TV as a mediator with its integrated plunger mechanism, achieving secure attachment without harmful effects on the wall surface
3Ease of operation
If spring-loaded plunger mechanism is used, then tool-free installation is achieved, but the device complexity increases
Solution Approach 1:
The patent merges the mounting and locking functions into a single integrated spring-loaded plunger mechanism. The plunger combines the fastening element, the spring for compression, and the locking feature in one component that is built into the soundbar housing. This integration simplifies the overall system despite the increased complexity of individual components, as it eliminates the need for separate brackets, screws, and locking mechanisms
Solution Approach 2:
The spring-loaded plunger mechanism serves multiple functions: it acts as a fastener, a lock, and a position indicator simultaneously. The same mechanism that secures the soundbar also provides tactile and audible feedback during installation. This multi-functionality reduces the need for additional components, balancing the increased mechanism complexity with functional consolidation
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
Enables quick, tool-free attachment and detachment of soundbars, enhancing user convenience and reducing the risk of wall damage, while simplifying the installation process for household users.
Implementation Method 1
The channels are structured such that at the end of the channel, the fastener disengages the biasing element, allowing the biasing element to lock the fastener into place in the channel
Data Source
AI summary
An audio visual system includes a video display, such as a TV, and a soundbar. The soundbar is snap-fittingly attachable with the video display. Thumbscrews are attached to a bottom surface of the video display and are spaced apart along a width axis of the video display. The soundbar has a top panel with elongated channels that are spaced apart from one another along a length axis of the soundbar. Spring-biased members comprising various geometric shapes are located in the channels. The soundbar is installed on the video display by aligning each of the thumbscrews with a respective channel such that the thumbscrew heads are located in the channel and beneath the upper surface of the top panel of the soundbar. To install the soundbar, the thumbscrews are positioned within a respective one of the elongated channels. As the soundbar is pushed toward the rear of the video display along the display's thickness axis, the thumbscrews each displace a respective one of the spring-biased members, thereby pushing it away from its corresponding retaining surface. When the thumbscrews reach the end of the channels, the soundbar is released, and the spring-biased members lock the thumbscrews in place on the soundbar. The movement of the spring-loaded caps may produce an audible “click” to indicate that the soundbar is secured to the display.