Grip Strap Gel Layer Vibration Absorption
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Solution Overview
Problem
Conventional grip straps for sports equipment and bicycle handlebars lose flexibility and shock absorption over time, making it difficult to grasp the handle and increasing the likelihood of the equipment falling off due to compaction of the flexible layer.
Innovation Solution
A grip strap design featuring a gel layer sandwiched between a non-woven layer and a covering layer, which adheres to the handle or handlebar, providing support, flexibility, and anti-slip functions while absorbing vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a flexible layer made of polyurethane is used in the grip strap, then the grip strap provides initial flexibility and comfort, but the flexible layer compacts and collapses over time, losing flexibility and shock absorption
Solution Approach 1:
The patent changes the material parameter from conventional polyurethane foam to gel material, which fundamentally alters the physical and chemical properties of the flexible layer. The gel material maintains its flexibility and shock absorption properties over time without compacting, resolving the contradiction between duration of flexibility and structural stability
Solution Approach 2:
The patent creates a composite structure by combining gel material with the non-woven fabric layer. This composite material integrates the flexibility and vibration absorption of gel with the structural support and breathability of non-woven fabric, achieving both long-term flexibility and structural stability
2Ease of operation
If the flexible layer is compressed during use, then the grip strap conforms to the handle shape, but the flexible layer gradually collapses and loses its cushioning effect
Solution Approach 1:
The patent changes the material parameter from polyurethane foam to gel material, which has superior recovery properties. The gel material can repeatedly compress and rebound without permanent deformation, maintaining both grip comfort and shock absorption reliability over extended use
Solution Approach 2:
The patent replaces the mechanical foam structure with gel material that exhibits different mechanical behavior. The gel's viscoelastic properties allow it to absorb and dissipate energy more effectively during compression cycles, maintaining reliability of shock absorption while providing grip comfort
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 grip strap maintains flexibility and shock absorption, ensuring a secure grip and preventing equipment from falling off, as the gel layer absorbs vibrations and maintains adhesion with the handle or handlebar.
Implementation Method 1
the gel will absorb vibration from the object to the user's hand
Implementation Method 2
The grip strap is adhered on an object by using the gel on the non-woven layer
Data Source
AI summary
A grip strap contains: a non-woven layer, an adhesive layer, a gel, and a covering layer. The adhesive layer is adhered on a bottom of the non-woven layer. The gel is applied onto a top of the non-woven layer and includes a thickness. The covering layer is covered on a top of the gel and includes a thickness.