Adjustable Puller Tool with Quick Release Legs
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Solution Overview
Problem
Current tools for removing vehicle components such as brake drums/rotors often result in vehicle damage, personal injury, or significant time loss due to rust or corrosion, as they fail to adapt effectively to the components being serviced.
Innovation Solution
A puller tool with a quick adjustment mechanism, including a cross bar with alignment notches, puller legs with a forcing screw and a quick release mechanism, allowing for easy positioning and removal of components by rotating the forcing screw.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a universal puller is used, then it can be applied to various components, but it cannot adapt well to the component being serviced
Solution Approach 1:
The puller incorporates adjustable legs with alignment notches that allow dynamic repositioning along the cross bar to adapt to different component geometries. The quick release mechanism enables rapid adjustment of leg positions, transforming a static universal tool into a dynamically adaptable device that can effectively service various component shapes and sizes.
Solution Approach 2:
The puller is divided into separate functional segments: the cross bar with alignment notches, adjustable puller legs, forcing screw, and quick release mechanism. This segmentation allows each component to be independently positioned and adjusted, enabling the tool to adapt to different service scenarios while maintaining operational simplicity.
2Productivity
If traditional methods are used to remove corroded components, then removal can be achieved, but vehicle damage or personal injury may occur
Solution Approach 1:
The puller acts as an intermediary device between the user and the corroded component. Instead of directly applying force with a hammer or other crude tools, the puller distributes and controls the force through its structured design, including the cross bar, legs, and forcing screw, reducing the risk of sudden failures that could cause damage or injury.
Solution Approach 2:
The alignment notches and quick release mechanism provide controlled engagement points that prevent uncontrolled slippage or sudden releases of force. The forcing screw gradually applies tension, allowing the user to monitor and control the removal process, cushioning against sudden failures that could cause harm.
3Productivity
If a hammer is used to break the drum off, then removal can be achieved, but significant time loss and vehicle damage occur
Solution Approach 1:
The puller replaces the crude mechanical impact method (hammering) with a controlled tension-based mechanical system. The forcing screw generates gradual, controlled pulling force that separates the component from its mounting without the destructive impact forces of hammering, preserving vehicle integrity while achieving removal.
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 safe and efficient removal of components without causing damage, reducing the risk of injury and time loss by providing a secure and adaptable mechanism for servicing components like brake drums/rotors.
Implementation Method 1
a forcing screw received in a middle portion of the cross bar, the forcing screw having a rotational end and an engagement end
Implementation Method 2
a quick release mechanism coupled to the puller legs to position the puller legs along a length of the cross bar
Data Source
AI summary
A puller tool and method for pulling a component from another component are provided. The puller tool can include a cross bar, a pair of puller legs that are movable along the length of the cross bar and a forcing screw. The puller legs can be quickly positioned anywhere along the length of the cross bar through a quick release mechanism. The cross bar can include notches on its outer surface to ensure that the puller legs are equidistant from each other during use.