Unidirectional Extendible Grip for Handle Wrapping
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Solution Overview
Problem
Existing handle protecting belts with extendible straps do not easily wrap onto handles due to their material properties, lacking the ability to form a secure and efficient wrapping mechanism.
Innovation Solution
A grip designed for handles with unidirectional extendibility, allowing sides to be extended circumferentially or spirally around the handle, creating a seamless connection for easy wrapping, utilizing sheets made from natural or synthetic leather with specific trimming and extension methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If extendible strap material is used, then comfort or shock-absorbing quality is improved, but the ability to wrap onto handle is worsened
Solution Approach 1:
The grip is divided into multiple segments (first grip portion, second grip portion, third grip portion) with different material properties. The first and third portions use extendible material for comfort and shock absorption, while the second portion uses non-extendible material for structural stability and wrapping capability, resolving the contradiction between comfort and wrapping ability.
Solution Approach 2:
Different portions of the grip are assigned different material characteristics: the extendible portions provide comfort and shock absorption where needed, while the non-extendible portion provides wrapping capability where needed. This local differentiation allows each region to optimize its function without compromising the whole.
2Ease of operation
If traditional strap material is used, then comfort is improved, but the ability to form protecting belt is worsened
Solution Approach 1:
The grip structure is segmented into distinct portions with different material properties. The non-extendible second grip portion is specifically designed to form the protecting belt structure, while the extendible portions provide comfort, thus resolving the contradiction between comfort and manufacturability.
Solution Approach 2:
The grip uses composite construction combining extendible material (for comfort) and non-extendible material (for structure and belt formation). This composite approach allows the grip to simultaneously achieve comfort and ease of manufacture for protecting belt formation.
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
Enables easy and secure wrapping of the grip onto handles, enhancing the wrapping efficiency and usability of handle protecting belts by creating a seamless connection along the handle's lengthwise direction.
Implementation Method 1
a grip (11) designed for a handle (20) that has a quality of unidirectional extendibility and that is extended in a direction in accordance with a direction of extendibility for wrapping the handle
Data Source
AI summary
A grip designed for a handle has a quality of unidirectional extendibility and is extended in a direction in accordance with a direction of extendibility for wrapping the handle. A method for making a grip designed for a handle includes preparing a sheet that has the quality of unidirectional extendibility; trimming the grip from the sheet; and extending the grip in a direction in accordance with the direction of unidirectional extendibility for wrapping the handle.