Cable Scissors With Integrated Stripping Incision Mechanism
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Solution Overview
Problem
Existing tools for cutting cables and making stripping incisions in insulation sheaths are either inefficient or require complex mechanisms, leading to increased manufacturing costs and user discomfort.
Innovation Solution
A scissors tool with a first and second scissors part mounted via a scissors joint, featuring separating cutting blades and a stripping incision blade, where the tool allows for manual pivoting to cut cables and make stripping incisions efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pliers tool with toggle lever drive and carriage mechanism is used for cable stripping, then the stripping function is achieved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The tool is divided into two independent but integrated parts: a scissors part for cutting and an incision part for stripping. Each part has its own simple mechanism (scissors joint for cutting, lever with spring for incision), avoiding the need for a complex toggle lever drive and carriage system while maintaining both functions
Solution Approach 2:
The tool combines cutting and stripping functions in a single handheld device. The scissors part handles cable cutting while the incision part handles insulation stripping, allowing one tool to perform multiple operations that previously required separate specialized tools
2Adaptability or versatility
If a pliers tool with toggle lever drive is used, then the cutting and stripping functions are achieved, but the ease of operation decreases due to complex mechanism
Solution Approach 1:
The operations are segmented into two simple independent actions: squeezing the scissors part for cutting and pressing the lever for incision. Each action follows natural hand movements and requires minimal force, making the tool easy to operate throughout extended use
Solution Approach 2:
The spring device automatically returns the incision blade to its initial position after each stripping operation, eliminating the need for manual resetting. The mechanism serves itself by using the spring's elastic energy to reset, reducing user effort and simplifying operation
3Adaptability or versatility
If existing tools are used for cable cutting and stripping, then the functions are achieved, but manufacturing costs increase due to complex mechanisms
Solution Approach 1:
The tool consists of modular components (scissors part, incision part, spring device) that can be manufactured separately using standard processes and assembled straightforwardly. This modular segmentation simplifies manufacturing compared to integrated complex mechanisms while maintaining full functionality
Solution Approach 2:
The tool uses simple, easily replaceable components such as the spring device and blades. These wear parts can be manufactured economically and replaced if needed, reducing overall manufacturing costs while maintaining the tool's functional lifespan
Data Source
AI summary
A scissors tool for incising and cutting a cable, comprising a first scissors part and a second scissors part, which are mounted on each other via a scissors joint so that they can pivot about a scissors pivot axis. The first and second scissors parts each comprise a finger accommodation rendering it is possible to induce a pivoting movement of the scissors parts in a closing direction. Furthermore, the scissors parts each comprise a separating cutting blade. The separating cutting blades are moved towards each other with a pivoting movement of the scissors parts in the closing direction for cutting a cable. A stripping incision blade is movably guided on the first scissors part between an insertion position and an incision position. An actuating element is integrated into the finger accommodation of the first scissors part. A drive connection connects the actuating element to the stripping incision blade.