In-Wall Loudspeaker Mounting Bracket for Vibration Control
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Solution Overview
Problem
In-wall and in-ceiling loudspeaker mounting systems face challenges in achieving audio performance comparable to freestanding speakers due to inadequate stiffness and vibration control, leading to distorted sound and unwanted noise, with existing solutions either requiring complex custom enclosures or providing insufficient structural support.
Innovation Solution
A bracket assembly that mechanically couples the loudspeaker to supporting studs or joists on both sides of the mounting hole, forming a rigid structure with clamping mechanisms to secure the loudspeaker, partition, and bracket assembly, enhancing vibration control and audio performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If drywall is used to support the speaker system, then ease of installation is improved, but audio performance deteriorates due to inadequate stiffness and vibration control
Solution Approach 1:
The patent introduces a mounting bracket assembly as an intermediary component between the drywall and the speaker system. This bracket assembly includes a first bracket attached to the drywall and a second bracket attached to the speaker, creating a rigid connection that transfers vibrations to the supporting structure (studs or joists) rather than allowing the drywall to vibrate. This mediator resolves the contradiction by maintaining the ease of installing in-wall speakers while providing the necessary stiffness and vibration control for good audio performance.
Solution Approach 2:
The mounting bracket assembly combines multiple materials and structural elements (bracket body, mounting wings, fasteners) to create a composite system that leverages the strengths of each component. The bracket assembly creates a rigid composite structure that bridges the soft drywall and the rigid speaker mounting requirements, achieving both ease of installation and superior vibration control.
2Reliability
If a pre-fabricated enclosure is mounted between studs prior to drywall installation, then vibration control is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent divides the vibration control function into separate segments: a first bracket attached to the drywall, a second bracket attached to the speaker, and mounting wings that connect them to the supporting structure. This segmentation eliminates the need for a single complex pre-fabricated enclosure while achieving the same vibration control objective through distributed, modular components that can be installed independently.
Solution Approach 2:
The first bracket is attached to the drywall before the speaker is installed, performing the preliminary action of preparing the mounting structure in advance. This allows the vibration control system to be in place before the speaker arrives, but without requiring complex pre-fabricated enclosures. The bracket is pre-positioned and ready for quick attachment to the speaker.
3Ease of operation
If pre-construction brackets are used prior to drywall installation, then ease of installation is improved, but structural support is insufficient as they are typically made from inexpensive materials
Solution Approach 1:
The patent creates a composite mounting system that combines the ease of installation features of pre-construction brackets with the structural strength of rigid materials. The bracket assembly uses rigid bracket bodies, secure mounting wings that attach to both drywall and supporting structure, and robust fasteners to create a strong connection that can handle speaker vibrations while remaining easy to install.
Solution Approach 2:
The patent merges the functions of location guidance, structural support, and vibration control into a single integrated bracket assembly. Unlike separate pre-construction brackets that only provided location guidance, this combined assembly attaches to both the drywall and the supporting structure, providing full structural support while maintaining ease of installation through a unified design.
Data Source
AI summary
A mounting assembly for mounting a fixture such as a loudspeaker speaker in-wall or in-ceiling includes a bracket assembly to mechanically couple wall or ceiling and speaker to the supporting studs or joists on both sides of the hole in which the loudspeaker will be mounted. The bracket assembly may comprise two halves, each of which includes a bracket plate, a left bracket slider and a right bracket slider, and associated fasteners. Each half of the bracket is sized so that it will pass easily through the opening made in the partition for receiving the loudspeaker. Once inside the partition, the two bracket sliders expand to reach the nearby studs or joists where they are coupled to the studs or joists using fasteners such as screws. Once the bracket sliders are attached, they are secured to the bracket plate with fasteners such as thumbscrews, thereby making a rigid structure. This is repeated for the other half of the bracket assembly. The loudspeaker is then inserted into the hole and secured using the clamping dog fixtures integral to the loudspeaker. These clamps sandwich the loudspeaker frame, partition and bracket assembly into one rigid structure.