Ladder Stabilizer With Adjustable Outriggers for Sloping Terrain
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Solution Overview
Problem
Existing ladder stabilizers are inadequate in providing a stable and level footing on uneven terrain, often being difficult to operate and lacking the strength to support the weight of the ladder and user, leading to frequent accidents among professionals and homeowners.
Innovation Solution
A ladder stabilizer system with supplemental feet affixed to the rails via independent brackets, featuring laterally extendable outrigger arms with rotatable A-frames and a C-shaped clamping mechanism with toothed racks for adjustable and secure attachment, allowing for a four-point stance and easy adjustment to accommodate sloping terrains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If existing ladder stabilizers are used, then some stabilization is provided, but they lack the strength to support the weight of the ladder and user when the ladder tips
Solution Approach 1:
The stabilizer system divides the support function into multiple independent components: outrigger arms, A-frames, and adjustable feet. Each component handles specific stabilization tasks, distributing the load and improving overall support strength while maintaining reliability.
Solution Approach 2:
The stabilizer incorporates adjustable elements including telescoping outrigger arms and rotatable A-frames that can adapt to different terrain conditions and load requirements, providing dynamic stabilization that maintains reliability across varying operational conditions.
2Ease of operation
If existing ladder stabilizers are used, then basic stabilization is achieved, but they are difficult to operate
Solution Approach 1:
The stabilizer uses telescoping outrigger arms with extension mechanisms and rotatable A-frames that can be easily adjusted to different positions and angles, allowing simple operation to accommodate various terrain conditions without excessive complexity.
Solution Approach 2:
The stabilizer incorporates adjustable parameters including outrigger extension length, A-frame rotation angle, and foot position, allowing the device to adapt to different operational requirements through simple parameter changes rather than complex reconfiguration.
3Adaptability or versatility
If existing ladder stabilizers are used, then some adaptability is provided, but they cannot adequately adjust to sloping terrain to provide level footing
Solution Approach 1:
The stabilizer system uses independent brackets on each side of the ladder, allowing each side to be adjusted independently to accommodate uneven and sloping terrain while maintaining overall ladder stability and level footing.
Solution Approach 2:
The stabilizer incorporates rotatable A-frames and adjustable feet that can dynamically adapt to sloping terrain by rotating and extending to different positions, providing level footing on uneven ground while maintaining structural stability.
4Adaptability or versatility
If existing ladder stabilizers are used, then basic attachment is provided, but they lack adjustable attachment along the ladder rail for different terrain conditions
Solution Approach 1:
The stabilizer uses a C-shaped clamping mechanism with toothed racks that can be adjusted to different positions along the ladder rail and locked in place, providing dynamic attachment adjustability for various terrain conditions without excessive mechanical complexity.
Data Source
AI summary
A ladder stabilizer comprises a pair of stabilizer brackets attached to the ladder side rails at the bottom on either side. Each bracket has a C-shaped clamping mechanism that utilizes a toothed gear rack which engages/disengages with mating teeth of a corresponding gear rack on the ladder rail. The gear-like engagement of the teeth provides a positive locking of the attachment member to the ladder. A spring and locking screw allow ease of adjustment and a positive lock at the desired location along the ladder side rail. The rack is attached longitudinally along the length of each rail to provide a range of length adjustment to the feet. This permits one side to be longer than the other to accommodate a laterally sloping terrain. The brackets have rotatable, laterally extending A-frames with ground-engaging feet which self-adjust to a terrain which is sloping from front-to-back or vice versa.