Crochet Yarn Guide Structure for Users With Hand Deficiencies
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Solution Overview
Problem
Existing technologies do not provide assistance for individuals with yarn hand deficiencies in crocheting, limiting their ability to perform this activity due to illness, injury, or other maladies, and there is a need for an apparatus that supports structure, support, and guidance for yarn manipulation.
Innovation Solution
A crochet assistance apparatus with movable elongated projections and panels that provide support and positioning for flexible filaments, mimicking the functions of a user's yarn hand, allowing for the generation of crocheted stitches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heavy structure with a fastened crochet needle is used for needle hand deficiencies, then the needle can be held stably, but the device complexity increases and the ease of operation decreases
Solution Approach 1:
The invention extracts the function of holding and manipulating the yarn from the human hand and transfers it to a device. The yarn hand device includes a support structure with a clamp for holding the yarn bundle, freeing the user's hand from the complex task of yarn management while maintaining control over the yarn supply to the needle
Solution Approach 2:
The invention introduces an intermediary device (yarn hand device) that mediates between the yarn bundle and the crochet needle. This device includes components such as a support structure, clamp, and guide elements that facilitate yarn manipulation without requiring the user's hand to perform complex movements
2Manufacturing precision
If the yarn hand performs multiple simultaneous tasks (holding structure, supporting yarn, guiding yarn), then crocheting can be done with precision, but the difficulty of operation increases for individuals with hand deficiencies
Solution Approach 1:
The invention segments the complex function of the yarn hand into separate components: a support structure for holding the yarn bundle, a clamp for securing the yarn, and guide elements for directing yarn flow. Each component performs a specific function, making the overall system easier to operate while maintaining precision
Solution Approach 2:
The yarn hand device is designed to automatically perform yarn manipulation tasks. The clamp and guide elements work together to self-regulate yarn tension and direction, reducing the need for active user intervention while maintaining consistent yarn supply to the needle
Data Source
AI summary
A crochet assistance apparatus for supporting a flexible filament may include a first plurality of elongated projections and a second plurality of elongated projections, and may be movable between a first position and a second position. Each elongated projection of the first plurality of elongated projections may be proximate to the second plurality of elongated projections when the apparatus is in the first position, and one or more elongated projections of the first plurality of elongated projections may be moved out of being proximate to the second plurality of elongated projections when the apparatus is in the second position. The first plurality of elongated projections may be coupled to a first panel, and the second plurality of elongated projections may be coupled to a second panel. The panels may be relatively closer to each other in the first position and relatively farther from each other in the second position.