Suspended Ceiling Grid Clamp With Spring Jaws for Secure Rail Grip
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Solution Overview
Problem
Existing clamps for supporting devices and cabling in suspended ceiling grid systems are prone to loosening, cause cosmetic damage, and fail to securely hold heavy loads due to lack of effective engagement mechanisms, leading to potential injuries and structural damage.
Innovation Solution
A clamp with parallel clamping jaws held by an integral spring, which are slowly engaged using a compression screw and bolt mechanism, providing frictional resistance and a channel-shaped structure to prevent upward movement and distribute load evenly, thus securely attaching to the grid rail without deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If scissor-shaped stamped steel clamps are used to attach to ceiling grid rails, then the clamp can be easily installed, but the clamp loosens or falls off under load and causes cosmetic damage to the rail
Solution Approach 1:
The clamp is divided into multiple functional components: a C-shaped body for engagement, a separate spring element for maintaining contact force, and a threaded rod with wing nut for adjustable clamping. This segmentation allows each component to perform its specific function optimally while working together to provide secure, reliable attachment without damaging the rail.
Solution Approach 2:
The clamp incorporates a dynamic spring element that continuously applies outward force to maintain contact between the C-shaped body and the grid rail. This dynamic mechanism ensures the clamp remains securely engaged under varying loads and positions, preventing loosening while allowing easy installation and removal.
2Device complexity
If scissor-shaped clamps with small engagement area are used, then the clamp structure is simple, but the concentrated forces cause deformation of the grid rail
Solution Approach 1:
The clamp extends along the longitudinal axis of the grid rail, distributing clamping forces over a larger area rather than concentrating them at a single point. The C-shaped body contacts the rail along its curved surface, and the threaded rod distributes the tightening force across multiple engagement points, preventing localized deformation while maintaining structural simplicity.
3Device complexity
If uniform length posts are used in scissor clamps, then the clamp design is simplified, but it is difficult to accommodate non-parallel apparatus
Solution Approach 1:
The adjustable threaded rod with wing nut allows the clamp's effective length and orientation to be dynamically modified during installation. Users can extend or retract the threaded rod to accommodate apparatus at various angles and distances from the rail, providing versatility without complicating the basic clamp design.
Solution Approach 2:
The clamp's geometric parameters, particularly the length of the threaded rod extension, can be changed to suit different installation requirements. This allows the same clamp design to accommodate parallel and non-parallel apparatus by simply adjusting the rod extension length rather than requiring different clamp models.
4Ease of operation
If spring steel clamps engage the edge of the rail, then the clamp can be easily attached, but the paint or coating is removed causing unsightly appearance
Solution Approach 1:
The C-shaped body acts as an intermediary between the clamp mechanism and the grid rail, distributing contact forces over the curved surface of the rail rather than concentrating them at sharp edges. This intermediate engagement shape allows easy attachment while protecting the rail's decorative coating from removal or damage.
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 clamp effectively resists sliding and supports heavier loads than previous designs while minimizing cosmetic and structural damage, ensuring secure attachment and easy removal without damaging the grid rail.
Implementation Method 1
The jaws are held apart by an integral spring to allow initial placement against the rail. Then a fastening mechanism, such as the illustrated bolt and wing nut, is turned to slowly compress the integral spring and close the clamping jaws against the edges of the grid rail.
Implementation Method 2
Once fully tightened, the clamp resists sliding along the rail due to friction between the jaw throat and the edges of the rail.
Data Source
AI summary
An opposing jaw clamp configured to hang items from the grid of a suspended ceiling. The jaws are engaged by a fastening mechanism, and grip without damaging the grid. The jaws are held apart by an integral spring to allow initial placement against the rail. Then a fastening mechanism is turned to slowly compress the integral spring and close the clamping jaws against the edges of the grid rail.