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 discomfort, reduced precision, and increased cost due to unnecessary bulk and material usage, while also limiting versatility and portability.
Innovation Solution
A compact, ergonomic handle device with a convex and concave design that allows for versatile grip options, adaptable to various tasks and surfaces, constructed from multiple materials for rigidity and flexibility, enabling efficient use without absorbent materials that retain moisture.
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 stability, but the handle becomes bulky and reduces precision control
Solution Approach 1:
The handle is designed with a curved surface that conforms to the natural shape of the hand, allowing multiple digits to wrap around for stable gripping. The curvature enables ergonomic contact across the palm and fingers while maintaining a compact form factor that does not compromise precision control.
Solution Approach 2:
The handle transitions from a traditional long cylindrical form to a compact three-dimensional shape with varied surface contours. This dimensional transformation allows the handle to provide multiple gripping surfaces and contact points within a shorter length, achieving both stability and precision.
2Force
If a short knob-like handle is used, then the user can exert greater force with the palm, but the handle lacks versatility for different grip types
Solution Approach 1:
Different regions of the handle are designed with distinct surface characteristics and geometries. The main body provides a curved surface for palm contact to exert force, while additional contours and ridges create varied contact points that accommodate different finger placements and grip types, enhancing versatility.
Solution Approach 2:
The handle is designed as a multi-functional gripping surface that can accommodate various hand positions and grip styles. The integrated curvature and surface variations allow the same handle structure to support both forceful palm gripping and more precise finger-based manipulation across different tasks.
3Ease of manufacture
If traditional cylindrical handles are used, then manufacturing is simple, but the design lacks ergonomic appeal and comfort
Solution Approach 1:
The handle employs curved and contoured surfaces that follow the natural anatomy of the hand. These ergonomic curves are integrated into the overall handle geometry, providing enhanced comfort and grip stability while remaining compatible with conventional manufacturing processes for molded or formed handles.
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.