Elastomeric Handle with Segmented Slot for Punch Marking Visibility
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Solution Overview
Problem
Pin punches and center punches have small striking tool sections, leading to empirical hand and finger positioning, difficulty in marking identification, and inadequate shock absorption, resulting in poor grip and comfort during use.
Innovation Solution
A plastic sleeve handle with a deformable connecting part featuring a ring, protuberance, and open elements allows for improved grip, shock absorption, and visibility of markings on the tool, transmitting forces and shocks from the front to the rear for enhanced comfort and identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the handle covers almost the entire surface of the striking tool, then the grip surface area is increased, but the marking identification becomes difficult
Solution Approach 1:
The handle is segmented with open elements (windows or slots) that create visual openings through the handle material. These segments allow the marking on the tool body to be seen through the handle, solving the contradiction by maintaining full handle coverage for grip while creating viewing passages for marking identification.
2Manufacturing precision
If the section of the striking tool is relatively small, then the tool precision is improved, but the hand positioning becomes empirical with sliding possibilities
Solution Approach 1:
The handle incorporates curved or contoured surfaces with ergonomic shaping that conform to the natural shape of the hand and fingers. These curved geometries provide tactile feedback and anatomical fit, enabling precise and stable hand positioning on the small tool section without empirical adjustment or sliding.
3Ease of operation
If the handle is made to improve grip, then the gripping comfort is increased, but the shock absorption capability is reduced
Solution Approach 1:
The handle is constructed from composite materials or multi-layer structures that combine the advantages of different materials. One layer or component provides ergonomic grip characteristics while another layer or component provides shock absorption capabilities, allowing both gripping comfort and shock mitigation to coexist in the same handle structure.
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 handle provides a secure grip, allows easy identification of tool markings, and effectively absorbs shocks, enhancing user comfort and tool control.
Implementation Method 1
a connecting part made of a deformable material passing through a channel arranged inside said handle
Implementation Method 2
This connecting part makes it possible to transmit from the front to the back the forces and shocks generated during the strike
Data Source
Figure 1~3
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Figure 6~7
AI summary
The handle (1) has a plastic sleeve arranged on a body of a striking tool (2), where the handle realizes elastic deformation capacity, so that positioning of multiple fingers around an oblong slot (1.2) authorizes gripping and deformation of a material part of the handle around the slot. The slot is established over sufficient length to authorize reading of a marking established on the corresponding part of the body of the tools. An elastomer material ring (1.3) is placed in a front part. The slot is made of deformable and flexible material.