Protective Pad Lattice Damping for Impact Absorption
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Solution Overview
Problem
Traditional protective pads face limitations such as poor durability during high-temperature washing, bulkiness, and inadequate moisture and air transfer, which affect their effectiveness in distributing and absorbing impact forces.
Innovation Solution
A protective pad design comprising an impact shell and a damping component with a lattice structure and extension members that absorb impact forces, affixed via a coupling frame, allowing for customizable impact attenuation and improved durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional foam materials are used for protective padding, then impact absorption is provided, but durability during high-temperature washing deteriorates
Solution Approach 1:
The patent changes the material parameters from traditional foam to a lattice structure made of thermoplastic polymer, which maintains durability while providing impact absorption. The lattice structure's geometric parameters (cell size, wall thickness) are optimized to achieve both protective function and thermal resistance during washing cycles.
2Strength
If traditional foam materials are used, then impact protection is achieved, but the protective pad becomes bulky
Solution Approach 1:
The patent employs a lattice structure with controlled porosity that provides impact absorption through cell collapse mechanisms while maintaining a compact form factor. The porous lattice geometry allows energy dissipation without requiring excessive material volume, thus reducing bulkiness while preserving protective strength.
3Force
If traditional foam materials are used, then impact force distribution is provided, but moisture and air transfer is inadequate
Solution Approach 1:
The lattice structure's inherent porosity creates channels that facilitate moisture wicking and air circulation, addressing the breathability issue. Simultaneously, the lattice walls distribute impact forces across the contact surface, maintaining protective functionality while enabling improved thermal and moisture management.
4Adaptability or versatility
If a lattice structure with extension members is used, then impact attenuation is customized, but device complexity increases
Solution Approach 1:
The damping component is segmented into multiple lattice units with varying cell geometries and wall thicknesses, allowing localized adjustment of impact attenuation properties. This modular segmentation enables customization for different impact zones without requiring an entirely complex structure, as each segment can be independently optimized.
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 effectively distributes and absorbs impact forces, enhancing protection while maintaining durability and allowing for improved moisture and air transfer, addressing the limitations of traditional pads.
Implementation Method 1
The damping component absorbs a portion of an impact force that is distributed across the damping component by the impact shell
Data Source
AI summary
Embodiments of the present invention relate to a protective pad that is comprised of an impact shell and a damping component. The damping component may be formed by a plurality of connecting members that are separated from the impact shell by a plurality of extension members that extend between the damping lattice and the impact shell. The damping component may also be formed by a sheet-like form that is separated from the impact shell by a plurality of extension members that extend between the damping sheet and the impact shell. The damping component is formed from an elastomer that aids in absorbing a portion of an impact force that is distributed across the damping component by the impact shell. The dampening component may be affixed to the impact shell by way of a coupling frame that is incorporated into the impact shell.