Rotating Plier Head Cylinder for Multi-Plane Operation
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Solution Overview
Problem
Standard pliers and snips are limited to operating in a single plane, making them ineffective for use in tight spaces where the object to be cut or manipulated is in a different plane than the operator's hand, and they lack versatility to function as both pliers and snips.
Innovation Solution
A piston-actuated ergonomic tool with a rotatable and exchangeable head, featuring a lever with a piston engaging portion and a trigger portion, a head cylinder with a freely rotatable jaw assembly, and a piston that moves between retracted and advanced positions to allow operation in multiple planes and switch between pliers and snips functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If standard pliers are used with fixed working portions, then the structure is simple, but the tool can only operate in a single plane and lacks versatility
Solution Approach 1:
The head cylinder is made freely rotatable within the cavity, allowing the jaw assembly to dynamically change orientation from fixed to movable. This enables the working portions to operate in multiple planes while the handle remains stationary, resolving the contradiction between operational flexibility and structural simplicity
Solution Approach 2:
The tool is divided into separable components: a handle portion, a rotatable head cylinder, and exchangeable jaw assemblies. This segmentation allows the head to be independently rotated and replaced, providing multi-plane operation capability while maintaining a relatively simple overall structure
2Adaptability or versatility
If standard pliers with fixed working portions are used, then the manufacturing is simple, but the tool cannot function as both pliers and snips
Solution Approach 1:
The tool incorporates exchangeable jaw assemblies that can be replaced to change functionality. Different jaw assemblies provide different functions (pliers, snips, etc.), allowing a single tool body to perform multiple functions. This resolves the contradiction by enabling multi-functionality through modular design rather than creating separate specialized tools
3Ease of operation
If the head cylinder is freely rotatable, then the tool can operate in any plane, but the mechanism becomes more complex
Solution Approach 1:
The head cylinder is designed to be freely rotatable within the cavity, allowing dynamic adjustment of the jaw assembly orientation to match the work plane. This simple rotational freedom provides ease of operation in tight spaces without requiring complex adjustment mechanisms
Solution Approach 2:
Instead of rotating the entire tool or the handle, only the head cylinder is made rotatable. This inverted approach where the working end rotates independently simplifies the rotational mechanism while maintaining full operational flexibility
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 tool provides ergonomic comfort and versatility by allowing operation in any plane, enabling effective cutting or manipulation in tight spaces with a natural trigger action, and allowing interchangeable heads for various functions like pliers, snips, or scissors.
Implementation Method 1
The piston is movable between a retracted position and an advanced position... when the lever is moved from its first position to it second position, the piston is moved from its retracted position to its advanced position
Implementation Method 2
The lever is movable between a first position and a second position... the piston engaging portion of the lever is in communication with the lever engaging portion of the piston
Implementation Method 3
The jaw assembly includes a first jaw and second jaw that are rotatably coupled to one another at a fulcrum... the jaw assembly is movable between an open position and a closed position
Data Source
AI summary
The present invention relates to an ergonomic plier tool. More specifically, the invention relates to a piston actuated ergonomic plier tool having a 360-degree rotative and exchangeable head. The tool includes a body, lever, head cylinder, piston and jaw assembly. The disclosed tool allows an operator to work in tight spaces with her hand in one plane, while cutting/manipulating an object in an infinite number of planes different from that of her hand.