Beam Grabber Coupling for Damage-Free Heavy Load Anchoring
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Solution Overview
Problem
Conventional methods for fastening objects to structural elements like rafter beams often cause aesthetic and structural damage, and have limitations in supporting weight due to limited surface area, especially when hooks require an accessible top surface which is not always available.
Innovation Solution
A coupling device with a U-shaped cradle and lever mechanism that grasps the beam from beneath, using compressible and curved contact areas to distribute force evenly, allowing for secure attachment without damage and supporting heavier objects by using multiple devices along the beam or across multiple beams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws or nails are used to fasten objects to rafter beams, then the objects can be securely attached, but aesthetic and structural damage occurs to the beams
Solution Approach 1:
Instead of penetrating the beam from above (screws/nails), the coupling device approaches from below, grasping the beam's bottom surface and applying upward force. This inverts the traditional attachment direction, eliminating penetration damage while maintaining secure attachment through friction and mechanical interlocking
Solution Approach 2:
The coupling device acts as an intermediary between the object to be attached and the rafter beam. It distributes attachment forces across multiple contact points on the beam's bottom surface, avoiding concentrated stress points that would cause damage while still providing secure fastening
2Strength
If conventional clamps are used to attach objects to beams, then attachment is achieved, but the surface area is limited which restricts the weight of supported objects
Solution Approach 1:
The coupling device divides the attachment function into multiple segments: a first contact area on the beam's bottom surface and a second contact area on the beam's side surface. This segmentation allows the device to distribute attachment forces across multiple discrete contact zones, effectively increasing the total contact surface area and supporting heavier loads
Solution Approach 2:
The coupling device transitions from a single-plane contact approach to a multi-dimensional attachment strategy by engaging both the bottom surface and side surfaces of the beam. This adds a vertical dimension to the contact areas, significantly expanding the effective surface area available for supporting weight
3Ease of operation
If hooks are used to hang objects from beams, then objects can be suspended, but the top surface of the beam must be accessible which is not always available
Solution Approach 1:
Instead of requiring access to the top surface of the beam for installation, the coupling device is designed to be installed from below, grasping the beam's bottom surface. This inverts the installation approach, making it applicable to beams where the top surface is inaccessible (such as rafter beams in finished ceilings) while maintaining ease of operation
4Strength
If multiple coupling devices are used along the beam to support larger and heavier objects, then weight capacity increases, but device complexity increases
Solution Approach 1:
The coupling device is designed as a universal, multi-functional unit that can be independently installed on any beam and provides complete attachment functionality. Each device is self-contained and identical, allowing multiple units to be deployed along a beam to support heavier loads without increasing system complexity, as each unit performs the same function independently
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 secure, damage-free attachment of objects to rafter beams and similar structures, supporting larger and heavier loads while accommodating non-parallel beams and providing a temporary soffit or safety rigging solutions for roof workers.
Implementation Method 1
a spring configured and arranged to hold the lever arm in a position which causes the coupling device to remain in a closed state when no additional force is applied to the lever device
Implementation Method 2
a first contact area having a substantially flat surface constructed from a compressible material
Data Source
AI summary
Devices for anchoring objects to structural elements such as rafter beams and other similar objects are disclosed. Such anchoring devices include coupling devices configured to grasp beams nondestructively and may include multiple coupling devices to enable supporting extended structures too large or heavy to be supported by a single anchoring point in areas where hanging or supporting objects might otherwise be difficult.