Nail Printer Slanted Wall Finger Support
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Solution Overview
Problem
Conventional nail printers require users to keep their fingers tightly bent to prevent printed nails from being rubbed off, resulting in a significant physical burden.
Innovation Solution
A nail printer design featuring a housing with slanted wall portions on either side of the opening, inclined downward from the front to the back, allowing users to lightly extend their fingers along these walls without risking contact with the printer components, thereby reducing the need for constant bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the user keeps fingers tightly bent to prevent contact with the housing, then the printed nails are protected from being rubbed off, but the user experiences significant physical burden
Solution Approach 1:
The patent introduces slanted wall portions that extend in a direction oblique to the finger insertion direction, creating a new spatial dimension for protection. Instead of requiring vertical bending protection, the slanted walls provide diagonal protection, allowing fingers to be lightly extended while still preventing contact between printed nails and the housing front face.
Solution Approach 2:
The slanted wall portions act as intermediary protective elements between the printed nails and the housing front face. These walls physically block contact between the nails and housing surface, eliminating the need for users to maintain bent finger positions while still protecting the printed nails from being rubbed off.
2Device complexity
If the housing is designed with traditional vertical walls, then the structure is simple, but users must bend fingers tightly causing physical burden
Solution Approach 1:
The housing structure incorporates slanted wall portions that extend obliquely relative to the finger insertion direction, adding a dimensional element that simplifies user operation. This slanted configuration naturally guides fingers away from the front face, reducing the need for tight bending while maintaining structural integrity.
Solution Approach 2:
The patent changes the geometric parameters of the housing walls from vertical to slanted orientations. This parameter modification alters the interaction between user fingers and housing, enabling a more comfortable finger position during operation while maintaining protection functionality.
Data Source
AI summary
A nail printer is a nail printer for printing on a nail of a finger. The nail printer includes a housing and a printer component. The housing includes a front face and a back face. The housing has an opening on the front face for inserting the finger in a specific direction and a pair of slanted wall portions that are disposed on both sides of the opening. The slanted wall portions are inclined downward with respect to the specific direction from the front face to the back face. The printer component is disposed inside the housing. The printer component performs printing on the nail of the finger disposed inside the housing through the opening.