Nail Clipper Segmented Post Design for Clipping Collection
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Solution Overview
Problem
Prior nail clipping devices are inefficient in collecting clippings due to design impediments that hinder the movement of clippings, particularly because they often have a center post extending from the bottom plate with a lever engaged to it, which does not allow for free passage of clippings into an interior space.
Innovation Solution
A nail clipping device with a lever extending between a pair of first posts from a bottom plate, a center plate made of spring steel, and a panel that can be selectively engaged to create an interior space for collecting clippings, where the lever severs the nail by contacting the upper and lower blades, and flaps retain the clippings before they enter the collection space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a center post extending from the bottom plate with a lever engaged to it is used, then the device structure is simplified, but the movement of clippings is hindered and collection efficiency deteriorates
Solution Approach 1:
The patent divides the support structure into multiple separate posts (first post and second post) rather than using a single center post. This segmentation allows clippings to pass freely between the posts into the collection container, resolving the contradiction by maintaining structural support while eliminating clipping movement impediments.
2Strength
If a closed side design is used, then structural integrity is improved, but clipping movement and collection are impeded
Solution Approach 1:
The closed side design is segmented to include openings or gaps where clippings can pass through. The side walls are divided into sections that maintain structural integrity while creating pathways for clipping movement, allowing both strength and collection efficiency to coexist.
3Productivity
If apertures are added to the bottom plate, then clipping collection is improved, but device complexity increases
Solution Approach 1:
Instead of adding apertures to the bottom plate, the patent extracts the collection function to a separate container positioned beneath the clippings path. The bottom plate maintains its structural integrity while the container receives clippings that fall through the open space created by the segmented post design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively collects nail clippings by allowing them to enter an interior space, preventing them from becoming projectiles and facilitating easy disposal, improving upon the inefficiencies of prior designs.
Implementation Method 1
The center plate comprises spring steel
Data Source
AI summary
A trimmings collecting nail clipping device for hygienic nail trimming includes a lower blade extending from a first end of a bottom plate. Pairs of first and second posts extend from the bottom plate proximate to the lower blade and a second end of the bottom plate, respectively. A first terminus of a center plate is engaged to the second posts distal from the bottom plate. The center plate extends between and past the first posts. An upper blade, which is engaged to the center plate, and the lower blade define a gap. A lever is hingedly engaged to the first posts distal from the bottom plate. Upon levering of the lever, a nail positioned in the gap is severed. A panel is engageable to the bottom plate to define an interior space that receives a clipping generated upon severing of the nail.