Mobile Eave Hook Anchoring Device for Rooftop Safety
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Solution Overview
Problem
Existing rooftop safety systems are often complex, time-consuming, difficult to apply, and can cause permanent damage or unattractive modifications to rooftops, while also posing hazards to climbers due to precarious positioning requirements and inefficiencies.
Innovation Solution
A mobile eave hook anchoring device with four wheels and an arched member that can envelop a roof eave, featuring reinforcement members and a high-friction grip for secure placement, allowing easy deployment and tensioning with a tether line to create a safe anchoring system that can navigate rooftop obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional anchored restraint devices are used, then safety protection is provided, but the system becomes complex and time-consuming to apply
Solution Approach 1:
The device is divided into distinct functional segments: a mobile base unit with wheels for transportation, an arched hook mechanism for anchoring, and a tether line system for restraint. This segmentation allows each component to be optimized independently and simplifies deployment as workers only need to deploy the base unit rather than assembling complex structures.
Solution Approach 2:
The arched hook mechanism automatically engages with the roof eave when the mobile base unit is rolled into position, eliminating the need for manual anchoring operations. The high-friction grip surface self-adjusts to maintain optimal contact with the eave, reducing the need for manual adjustment while ensuring reliable anchoring.
2Reliability
If traditional anchored restraint devices are used, then safety protection is provided, but the application process becomes difficult and time-consuming
Solution Approach 1:
The arched hook mechanism is pre-configured in the mobile base unit, ready for immediate engagement with the roof eave. The high-friction grip surface is pre-positioned to automatically contact the eave upon deployment, eliminating the need for preliminary assembly or adjustment operations that would consume time during application.
Solution Approach 2:
The mobile base unit transitions from a stationary transport state to an operational anchored state through simple rolling motion. The arched hook dynamically adjusts its engagement with the eave as the unit is positioned, allowing rapid deployment without manual intervention while maintaining safety reliability.
3Reliability
If traditional anchored restraint devices are used, then anchoring is achieved, but permanent damage or unattractive modifications to the rooftop are caused
Solution Approach 1:
The anchoring function is extracted from permanent roof modifications and transferred to a mobile, non-invasive base unit that rolls onto the roof surface. The arched hook engages with the existing eave structure without requiring drilling, fastening, or any permanent alterations, thereby maintaining roof integrity and appearance while providing secure anchoring.
Solution Approach 2:
The arched hook acts as an intermediary between the mobile base unit and the roof eave, transferring anchoring loads through friction and geometric engagement rather than permanent connections. This intermediary mechanism provides reliable anchoring security while avoiding direct harmful interaction with the roof structure.
4Reliability
If hooks are secured at the roof edge, then anchoring is provided, but climbers are placed in a precarious position while engaging or placing the anchor
Solution Approach 1:
The arched hook mechanism automatically engages with the roof eave through the high-friction grip surface when the mobile base unit is rolled into position. This self-engaging mechanism eliminates the need for climbers to manually position or secure anchors at the precarious roof edge, as the system performs the anchoring operation automatically upon deployment.
Solution Approach 2:
The system transitions from a static manual anchoring process to a dynamic automated engagement process. The mobile base unit rolls to the deployment position and the arched hook dynamically engages with the eave through controlled motion, eliminating the need for climbers to maintain precarious positions during anchor installation while ensuring reliable anchoring security.
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 mobile eave hook device provides a safe, efficient, and damage-free anchoring solution for rooftop workers, allowing secure tethering and supporting multiple users without damaging the roof, and can be adapted for various rooftop designs and orientations.
Implementation Method 1
featuring reinforcement members and a high-friction grip for secure placement
Data Source
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AI summary
An anchoring device, system and method. The anchoring device, system and method can include one or more rolling hook devices designed to couple or be secured to a projection such as those associated with rooftops. The rolling hook devices can include an arched member and any number of wheels to facilitate positioning. The rolling hook device may further be coupled to one or more tethers that allow it to serve as an anchor or work in conjunction with any number of other devices that function together as an anchoring system.