Insulated Hand Clamp Jaw Assembly for Secure Electrical Isolation
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Solution Overview
Problem
Conventional hand clamps used in electrical applications lack effective insulation, leading to potential electrical hazards and durability issues in harsh environments, as they often require additional insulated grips that can slip or wear down, and are not fully insulated, with plastic alternatives being brittle and less durable.
Innovation Solution
Design of electrically insulated hand clamps with conductive materials featuring insulators attached to the jaws to isolate them from electrical current, providing secure and durable insulation across the entire clamp, rather than just the handles, using hollow insulator tubes and conductive components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional hand clamps are used without integrated insulation, then the clamp structure remains simple and cost-effective, but electrical safety is compromised and additional insulated grips are required which can slip or wear down
Solution Approach 1:
The patent merges the insulation function with the clamp structure by integrating insulator tubes directly into the clamp body. The insulator tubes are positioned to cover the conductive jaws and contact points, combining structural support and electrical insulation in a single integrated component rather than requiring separate insulated grips or covers.
Solution Approach 2:
The patent employs composite construction by combining conductive materials (for the clamp body and jaws that need to conduct electricity) with insulating materials (the insulator tubes that prevent electrical hazards). This composite approach allows different parts of the clamp to have different electrical properties where needed, achieving both conductivity and insulation within the same device.
2Reliability
If additional insulated grips are added to conventional clamps, then electrical insulation is provided, but the grips tend to slip off and wear down in harsh industrial environments
Solution Approach 1:
The insulator tubes are integrated into the clamp structure itself rather than being separate attachments. The tubes are positioned to cover the conductive jaws and contact points, combining structural support and electrical insulation in a single integrated component that cannot slip or separate during use.
Solution Approach 2:
The insulation is built into the clamp structure from the beginning, with insulator tubes pre-positioned to cover all conductive surfaces. This preliminary integration ensures that the insulation is always in place and properly positioned, eliminating the need for separate insulated grips that would need to be attached and could subsequently slip or wear down.
3Reliability
If plastic hand clamps are used instead of conductive ones, then full insulation is achieved, but the clamps become more brittle and less durable in harsh environments
Solution Approach 1:
The patent employs composite construction by combining conductive materials (for the clamp body and jaws that need to conduct electricity) with insulating materials (the insulator tubes that prevent electrical hazards). This composite approach allows different parts of the clamp to have different electrical properties where needed, achieving both conductivity and insulation within the same device.
Solution Approach 2:
The patent applies different material properties to different locations of the clamp. The clamp body is made of conductive material where structural strength and electrical conductivity are needed, while insulator tubes are positioned specifically at the jaws and contact points where electrical insulation is required. This local differentiation allows the clamp to have both strength and insulation properties in appropriate locations.
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 solution ensures the hand clamps are fully insulated, preventing electrical hazards and maintaining conductivity, while being more durable and resistant to high temperatures and harsh environments, eliminating the need for additional insulated gloves.
Implementation Method 1
a clamp insulator that electrically insulates the conductive clamp jaw from the contact assembly
Data Source
AI summary
Described herein are examples of hand clamps having insulators that isolate the clamp's jaws from the clamp contact assemblies, and/or any electrical current that might pass through the clamp contact assemblies. The attachment of the insulators to the clamp jaws is more secure and/or less susceptible to slippage or breakage than insulators slipped on over the clamp handles. Additionally, insulating the clamp jaws from the contact assemblies serves to insulate the entire hand clamp, rather than just the clamp handles. The insulation allows for the rest of the hand clamps to be made from conductive (e.g., metal) material that is more sturdy and/or less susceptible to breaking and/or melting in harsh, industrial, and/or high heat (e.g., welding) environments than other hand clamps made from insulating (e.g., plastic) material.