Hand Tool With Distributed Shock Absorption for Flexible Grip Positions
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Solution Overview
Problem
Conventional hand tools, such as hammers and axes, lack effective shock absorption and buffering mechanisms that allow users to hold the tool at various positions without discomfort or injury, particularly when used over different distances or amplitudes.
Innovation Solution
A hand tool design featuring a body with a shock-absorbing element that extends beyond half the length of the handle, allowing users to hold the tool at any point along its length for optimal shock absorption, and optionally incorporating an elastic element between handle segments for dual buffering effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the grip cover is disposed on the end of the handle with length less than half of the handle length, then the shock absorption effect is provided when holding the end of the handle, but the user cannot hold the handle at different locations with shock absorption effect
Solution Approach 1:
The shock absorption element is divided into multiple segments along the handle length, with each segment providing shock absorption at different positions. This allows the user to hold the handle at various locations (near the grip cover, at the middle, or at the end) while still benefiting from shock absorption functionality at the holding position.
Solution Approach 2:
The shock absorption mechanism is extended from a single-point design at the end of the handle to a distributed design along the entire handle length. By adding the dimension of longitudinal coverage, the system provides shock absorption at multiple positions simultaneously, enabling versatility in holding locations.
2Adaptability or versatility
If the grip cover length is increased to cover more of the handle, then shock absorption is provided at more positions, but the device complexity and material usage increase
Solution Approach 1:
Instead of uniformly distributing shock absorption material throughout the entire handle, the invention applies shock absorption elements at specific localized positions along the handle length. Each shock absorption element is positioned to provide optimal shock absorption at its location, achieving comprehensive coverage without excessive material usage.
Solution Approach 2:
The shock absorption function is segmented into multiple discrete elements distributed along the handle, rather than using a single continuous grip cover. This segmentation allows for optimized material distribution, providing shock absorption at multiple positions while minimizing the total quantity of shock absorption material required.
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
Provides consistent shock absorption and buffering regardless of the holding position, reducing user discomfort and potential injury by absorbing reaction forces effectively.
Implementation Method 1
the at least one shock-absorbing element 30 can absorb the vibration of the hand tool to provide a shock absorption effect
Implementation Method 2
absorb the reaction force generated when the working element 20 collides with an object
Implementation Method 3
an elastic element 40D disposed between the connecting segment 13D and the tapping segment 22D
Data Source
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AI summary
A hand tool with a buffering effect has a body (10, 10D), a working element (20, 20C, 20D), and at least one shock-absorbing element (30, 30A, 30B). The body (10, 10D) has a holding end (11) and a connecting end (12). The working element (20, 20C, 20D) is connected to the connecting end (12) of the body (10, 10D). The least one shock-absorbing element (30, 30A, 30B) is disposed on the body (10, 10D) and has a length (L2) being larger than a half of a length (L1) of the body (10, 10D) and being less than or equal to the length (L1) of the body (10, 10D). A user holds the body (10, 10D) and uses the working element (20, 20C, 20D), and a shock-absorbing and buffering effect is provided by the at least one shock-absorbing element (30, 30A, 30B).