Telescoping Hanger Bar With Angled Nails For Drop Ceilings
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Solution Overview
Problem
Recessed lighting fixtures often require unnecessary clamps or adapters for installation on different ceiling types, which can be cumbersome and difficult to manage, especially when transitioning between standard and drop-down ceilings.
Innovation Solution
A hanger bar assembly with telescoping action and detachable spring clips that can be angled for easier installation, allowing for secure attachment to both ceiling joists and T-bars without the need for additional clamps, and featuring adjustable length and angled nail placement for improved installation safety and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If clamps or adapters are formed as part of the hanger bar, then the hanger bar can attach to both standard ceilings and drop down ceilings, but the clamps become unnecessary appendages that cannot be removed or detached and may get in the way during installation
Solution Approach 1:
The hanger bar system is divided into separate components: the hanger bar itself and detachable clips. The clips can be removed when not needed, allowing clean installation on standard ceilings without unnecessary appendages interfering with the process.
Solution Approach 2:
The clips are made detachable rather than permanent, allowing the hanger bar configuration to dynamically adapt to different installation scenarios. Installers can attach clips for drop down ceiling installations or leave them off for standard ceiling installations, optimizing ease of operation for each case.
2Strength
If nails are positioned perpendicular to the hanger bar, then the attachment is structurally sound, but the installer cannot easily access the nail heads with a hammer from below
Solution Approach 1:
The nail orientation is changed from a perpendicular (2D) arrangement to an angled (3D) arrangement that extends downward. This dimensional change allows the nail heads to be accessed from below while maintaining structural attachment strength through the angled configuration.
3Ease of manufacture
If the hanger bar is made as a single integrated piece, then manufacturing is simpler, but length adjustment is not possible
Solution Approach 1:
The hanger bar is segmented into multiple sections that can slide relative to each other within channels, enabling telescopic length adjustment. The segmented design maintains manufacturing simplicity while adding the versatility of adjustable length to accommodate different ceiling heights and spacing requirements.
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 hanger bar assembly simplifies the installation process by allowing for secure attachment to various ceiling types without unnecessary components, enhancing installation safety and reducing labor and material waste by enabling easier hammer access and secure fixation.
Implementation Method 1
a first spring clip is detachably coupled to the first bracket, and a second spring clip is detachably coupled to the second bracket
Data Source
AI summary
A hanger bar for supporting a recessed light fixture is attachable to ceiling joists or a T-bar grid of a drop down ceiling. First and second bars of the hanger bar slide and telescope. First and second spring clips are detachably coupled to the brackets at the ends of the first and second bars, respectively. Each of the first and second clips has a pair of downwardly extending arms bent inwardly toward one another, a first leg extending from a first arm, a second leg extending from a second arm, and an outwardly-extending foot on the second leg. The spring clips snap on to the T-bar grid. Each bracket includes a nail that is angled away from the hanger bar and downward so that the nail head is below the level of the hanger bar. The angled nails enable easy hammer strikes to attach the hanger bar to ceiling joists without accidental hammer blows to the hanger bar. The bracket may be discrete from the hanger bar but attached via tox clinching or a tab pass-through attachment.