Ergonomic handle scraper
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Solution Overview
Problem
Existing handheld consumer products often feature handles that are either too long and cumbersome, or lack ergonomic design, leading to reduced precision, comfort, and versatility, particularly in tasks requiring close hand control and dexterity, and may be inconvenient for portable use.
Innovation Solution
A compact, ergonomic handle device with a convex and concave design, adaptable to various tasks and materials, allowing for multiple gripping options and compatibility with diverse tools and surfaces, constructed from flexible materials for enhanced portability and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a long handle is used, then the user can wrap multiple digits around the handle for support, but the handle creates distance between the user's hand and the working surface, reducing precision and control
Solution Approach 1:
The handle is designed with a curved, ergonomic shape that contours to the natural grip of the hand. This curvature allows the user's digits to wrap around and contact multiple surfaces of the handle simultaneously, providing support while keeping the hand close to the working surface for precision control.
2Measurement precision
If a short, compact handle is used, then the user's hand is closer to the working surface for greater precision, but the handle may lack sufficient surface area for comfortable gripping and manipulation
Solution Approach 1:
The handle utilizes three-dimensional curvature with multiple surfaces (convex and concave areas) that extend in different directions. This dimensional complexity provides ample gripping surface area within a compact length, allowing comfortable digit placement while maintaining proximity to the working surface.
3Device complexity
If traditional cylindrical handles are used, then the design is simple and familiar, but they lack ergonomic qualities and may be awkward and uncomfortable for extended use
Solution Approach 1:
The handle features an asymmetric design with varying cross-sectional shapes along its length, including convex and concave surfaces. This asymmetry creates ergonomic contact points that match the natural contours of the hand, distributing pressure evenly and reducing fatigue during extended use.
4Reliability
If handles are designed for specific tasks, then they optimize performance for that task, but they lack versatility for other tasks requiring different gripping styles or configurations
Solution Approach 1:
The handle is designed with multiple ergonomic zones including convex portions, concave portions, and varied surface textures that can accommodate different gripping styles. This multi-functional design allows the same handle to be effectively used for various tasks requiring different hand positions and grip types.
Data Source
AI summary
The Ergonomic Handle Scraper includes an ergonomic handle device that may be adapted to perform a wide variety of tasks such as scrubbing, scraping, scooping, cutting, brushing, painting, sanding, grating, shaving, etc. The device may be produced in a wide variety of shapes and sizes and may be constructed from a wide variety of materials and manufacturing processes. The Ergonomic Handle Scraper provides a user with a compact, ergonomic handle which may be used in conjunction with other adjoining and complementary shapes, materials, surfaces, textures or tools. More specifically, the ergonomic handle is the basic component that enables other components to be combined with or extended from the handle.