Ceiling register vent with bow-springs on sidewalls for screwless attachment to register box
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Solution Overview
Problem
Register vents for heating systems face challenges in secure attachment to ceilings, particularly with drywall surfaces, as screws do not hold well and magnetic solutions are cumbersome and prone to failure due to heat exposure.
Innovation Solution
Integration of bow-springs made from spring-tempered wire attached to the sidewalls of the register vent, which form U-shape wings and provide frictional force to secure the vent in place within the register box without the need for screws, using plastic welds, stitching, or crimping for attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws are used to secure the register vent to the ceiling, then the vent can be attached to the ceiling surface, but the screws do not hold well in drywall material and may damage the ceiling
Solution Approach 1:
The patent replaces the traditional screw-mechanical fastening system with a spring-based friction retention system. The bow springs exert continuous outward pressure against the register box walls, creating friction-based retention that eliminates the need for screws penetrating the drywall ceiling surface, thereby preventing ceiling damage while maintaining secure attachment.
2Ease of operation
If magnets are used to hold the register vent in the register box, then the vent can be secured without screws, but the magnets need to be positioned close to metal surfaces which is difficult due to irregular ductwork shapes and may require adjustment
Solution Approach 1:
The bow springs are pre-formed and self-adjusting components that automatically adapt to the register box dimensions upon installation. As the register vent is inserted, the bow springs naturally expand to contact the box walls and exert retention force, eliminating the need for precise positioning adjustments that would be required with magnets in irregularly shaped ductwork.
3Strength
If adhesive is used to secure magnets to the register vent, then the magnets can be attached to the vent surface, but the adhesive may fail over time due to heat from hot air passing through the vent
Solution Approach 1:
The patent eliminates the adhesive-bonded magnet assembly entirely by replacing it with a purely mechanical spring-based retention system. The bow springs are directly attached to the register vent structure and provide retention through friction and contact pressure against the register box, completely avoiding the use of heat-sensitive adhesives in the hot air path.
4Object-affected harmful factors
If the register vent is securely attached to prevent damage, then the attachment must be strong, but visible fasteners compromise the aesthetic appearance
Solution Approach 1:
The patent extracts the fastening function from visible surface-mounted fasteners and relocates it to concealed spring mechanisms that engage with the register box structure. The bow springs are positioned to provide retention force while remaining hidden within or behind the register vent assembly, eliminating visible fasteners on the ceiling surface while maintaining protective attachment strength.
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 bow-spring design securely holds the register vent in place, preventing damage to the ceiling and offering a clean aesthetic, with no visible fasteners, and allows for easy removal without compromising the drywall integrity.
Implementation Method 1
a first bow-spring attached to a first sidewall of the plurality of sidewalls. The first bow-spring is a length of spring-tempered wire attached at both ends to the first sidewall such that the first bow-spring forms a U-shape wing along the first sidewall
Implementation Method 2
The bow-spring(s) exert a force on the inner sidewalls of a register box opening and the friction of the bow-springs pushing against these surfaces overcomes the force of gravity and the force of airflow on the vent register
Data Source
AI summary
A vent register includes a front plate having a perforated section for allowing airflow through the front plate, and a plurality of sidewalls perpendicularly extending from a side of the front plate and forming a sleeve for insertion into an opening of a ventilation duct. A first bow-spring is attached to a first sidewall of the plurality of sidewalls and a second bow-spring is attached to a second sidewall, the second sidewall being opposite the first sidewall. The first and second bow-springs are each respectively spring-tempered wires, the first bow-spring being attached at both ends to the first sidewall and the second bow-spring being attached at both ends to the second sidewall. Each of the first and second bow-springs forms a U-shape wing respectively extending from the and second sidewalls. The bow-springs include friction increasing means on at least a center portion for securing the register vent in the opening.