Wheeled Tool Bucket Dolly Leverage and Stability Design
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Solution Overview
Problem
Existing dollies are often too large, heavy, and bulky for transporting small but heavy tool boxes, making them inconvenient and prone to tipping, which is not addressed by existing designs that focus on larger loads.
Innovation Solution
A wheeled tool bucket dolly system featuring a lightweight, stable design with a dolly frame, handle, bucket holder ring, wheel assembly, and horizontal bucket support that provides leverage and stability, minimizing stress on the bucket and preventing tip-overs, using a solid welded ferrous metal construction and a 3-point stand configuration for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional dollies are used to transport tool boxes, then the load can be moved, but the dolly becomes bulky, heavy, and inconvenient to store and maneuver
Solution Approach 1:
The dolly is segmented into distinct functional components: a U-shaped frame structure, a bucket holder ring, a wheel assembly with axle, and a horizontal support member. This segmentation allows each component to be optimized for its specific function while reducing overall bulk compared to traditional monolithic dolly designs.
Solution Approach 2:
Instead of designing a traditional dolly structure to accommodate tools, this invention inverts the approach by using a bucket (common tool container) as the load-bearing element and designing the dolly frame to support the bucket. This eliminates the need for bulky traditional dolly beds while maintaining transport capability.
2Ease of operation
If traditional dollies are used to transport small heavy tool boxes, then the load can be moved, but the dolly is overkill and adds to the burden
Solution Approach 1:
The dolly frame uses localized structural reinforcement only where needed - the U-shaped frame provides structural integrity while the horizontal support member is positioned specifically to bear the bucket's weight. This localized quality approach minimizes overall material usage and weight while maintaining sufficient strength for the intended load.
Solution Approach 2:
The design accepts that the bucket (a common, relatively inexpensive item) will bear the load and may show wear, rather than protecting a heavy, expensive dolly structure. The bucket acts as a sacrificial load-bearing element that can be replaced if needed, reducing the need for overly robust and heavy dolly construction.
3Reliability
If traditional dollies are used to transport tools, then the load can be moved, but the dolly is prone to tipping over
Solution Approach 1:
The dolly employs asymmetric geometry in its U-shaped frame and horizontal support member configuration, positioning the wheel assembly and support structures to create a low center of gravity and wide base of support. This asymmetric design inherently resists tipping forces better than symmetric traditional dolly designs.
Solution Approach 2:
The horizontal support member extends perpendicular to the plane of the U-shaped frame, creating a three-dimensional support structure that prevents tipping in multiple directions. This dimensional extension provides stability against both lateral and longitudinal tipping forces.
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 wheeled tool bucket dolly system is lightweight, easy to use, and convenient to store, offering improved stability and longevity while allowing for efficient transportation of tools over rough terrain without the bulkiness of traditional dollies.
Implementation Method 1
The vertical column is a single uncut cylindrical pipe forming the handle, the vertical column, and the horizontal bucket support using rounded bends to form an S-contour, the S-contour forming a lever.
Implementation Method 2
A wheeled tool bucket dolly system featuring a lightweight, stable design with a dolly frame, handle, bucket holder ring, wheel assembly, and horizontal bucket support that provides leverage and stability
Data Source
AI summary
A wheeled tool bucket dolly system (Tool Bucket Transport Device) for easily wheel-transporting tools or similar articles from a first location to a second location for use. The system comprises a dolly frame having a handle, a horizontal bucket support, a bucket holder ring, a wheel assembly, and a 5 gallon bucket. The bucket is lowered through the bucket holder ring to rest on a traverse member which is welded to the upper side of the horizontal bucket support. Tools are placed inside the bucket and a user inclines the wheeled tool bucket dolly system via the handle resting all weight on the wheel assembly, and transports tools to a second location for using.