Embedded Element Pulling Apparatus with Adjustable Jaws
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Solution Overview
Problem
Current methods for removing large numbers of nails or embedded elements from wood are time-consuming and often damage the material, making it inefficient for reuse, especially in renovation or disassembly processes.
Innovation Solution
An embedded element pulling apparatus with a pair of jaws on linear guides, driven by a motive device, featuring interchangeable teeth and a width adjustment mechanism, allowing for precise grasping and removal of various embedded elements with minimal damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a hammer or crowbar is used to remove nails, then the removal process is simple, but the time required increases significantly and damage to the wood occurs
Solution Approach 1:
The patent replaces the manual mechanical system of hammer or crowbar with a specialized pulling apparatus that uses a gripping mechanism and extraction system. This substitution enables controlled removal forces that prevent wood damage while maintaining high productivity through mechanical advantage and specialized gripping teeth.
Solution Approach 2:
The invention extracts the nail removal function from general-purpose tools like hammers and creates a dedicated apparatus for this specific task. The specialized gripping teeth and controlled extraction mechanism are designed specifically to remove embedded elements without damaging the surrounding wood material.
2Productivity
If manual methods are used to remove large numbers of embedded elements, then tool complexity is low, but the time and effort required increases significantly
Solution Approach 1:
The apparatus is segmented into distinct functional modules: a gripping mechanism with interchangeable teeth for different embedded elements, a linear guide system for precise movement, and an actuation system. This segmentation allows each component to be optimized for its specific function while maintaining overall system manageability and ease of use.
Solution Approach 2:
The invention incorporates dynamic elements including movable jaws that can open and close, interchangeable gripping teeth that adapt to different embedded elements, and a linear guide system that enables precise positional control. These dynamic features allow the apparatus to handle various removal scenarios efficiently without requiring multiple specialized tools.
3Adaptability or versatility
If fixed-width jaws are used, then the apparatus structure is simpler, but it cannot accommodate different sizes of embedded elements
Solution Approach 1:
The linear guides are designed with adjustable width capability, allowing the distance between the two guides to be modified according to the size of the embedded element being removed. This dynamic adjustment feature enables a single apparatus to handle a wide range of embedded element sizes without requiring multiple specialized tools for different dimensions.
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 apparatus significantly reduces the time and effort required to remove embedded elements while minimizing damage to the wood, enabling efficient reuse of materials.
Implementation Method 1
A piston positioned within the tube's interior is movable along the longitudinal axis between the tube end caps. A trigger moves the pressure reservoir along the longitudinal axis relative to the tube allowing fluid to pressurize one side of the piston while venting the other side of the piston to move the piston.
Implementation Method 2
each linear guide having a length and an inner guide surface, the inner guide surface angled to form a closing ramp at the grasping end. A jaw is paired with each linear guide, each jaw is engaged to follow along the inner guide surface.
Data Source
AI summary
An embedded element pulling apparatus, the apparatus comprises a pair of linear guides separated by a width, each linear guide having a length and an inner guide surface, the inner guide surface angled to form a closing ramp at the grasping end. A jaw is paired with each linear guide; each jaw is engaged to follow along the inner guide surface. Each jaw may have an interchangeable grasping tooth. A lock assembly is integrated to lock and unlock the jaws. A carriage cooperatively couples the jaws and the lock assembly. A positioning actuator engages with the carriage to position the jaws along the length of the linear guides and a drive actuator engages with the carriage to close the jaws, pull the embedded element, and open the jaws. A motive device may drive the positioning actuator and drive actuator.


