Finger-Mounted Writing Holder With Adjustable Armature
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Solution Overview
Problem
Individuals with physical limitations, such as those recovering from strokes or heart attacks, face challenges in gripping and using writing instruments due to reduced dexterity, necessitating a solution that allows writing with one finger.
Innovation Solution
A writing implement holder featuring a bent armature with an adjustable angle, a fingertip sleeve, and a finger retainer, which secures the writing instrument to the user's finger, enabling one-finger operation by accommodating the user's finger and providing a stable grip for writing or drawing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional writing instrument is used, then writing function is achieved, but it requires two-handed grip and finger dexterity that individuals with physical limitations lack
Solution Approach 1:
The patent introduces a finger-mounted holder as an intermediary device between the finger and the writing instrument. This holder provides a stable mounting platform that compensates for the user's reduced dexterity, allowing individuals with physical limitations to write reliably using only one finger without requiring traditional two-handed grip control
Solution Approach 2:
The writing system is segmented into separate functional components: the finger-mounted holder that provides stable positioning and the writing instrument that performs the writing function. This segmentation allows the holder to compensate for grip weaknesses while the instrument maintains its writing capability, resolving the contradiction between ease of operation and grip stability
2Manufacturing precision
If the bent armature angle is fixed at thirty-eight degrees, then optimal writing geometry is achieved, but adaptability to different user preferences is reduced
Solution Approach 1:
The armature angle is made dynamically adjustable rather than fixed. Users can modify the angle between the arms to suit their personal writing preferences and comfort requirements, while the device maintains the precise geometric relationship needed for effective writing. This dynamic adjustment capability resolves the contradiction between manufacturing precision and user adaptability
3Ease of operation
If the writing instrument is held in a traditional manner, then full finger contact is achieved, but individuals with reduced dexterity cannot maintain proper grip
Solution Approach 1:
The finger-mounted holder serves as a mediator that provides stable instrument retention without requiring the user to directly grip the writing instrument with their finger. This intermediary structure compensates for reduced dexterity while maintaining reliable grip consistency, enabling individuals with physical limitations to write with control using only one finger
Data Source
AI summary
The writing implement holder may be a device that is adapted to hold a writing implement on a user's finger such that movement of the user's finger may move a tip of the writing implement against a surface. As non-limiting examples, the writing implement holder may be adapted to be worn on an index finger, the writing implement may be a pen, a pencil, a marker, or a stylus, and the surface may be a sheet of paper, a tablet computer, or a smartphone. The writing implement holder may hold the writing implement to compensate for a lack of dexterity after an injury or illness, to avoid direct contact with the surface, or both. As non-limiting examples, injuries and illnesses that may reduce dexterity may include a heart attack, a stroke, arthritis, multiple sclerosis, or any combination thereof.