Staple Refill Positioning Projections for Vibration Stability
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Solution Overview
Problem
Existing staple-refills for electric stapling machines are prone to damage during transportation due to vibration, and there is a need for a stable posture during storage and use to ensure efficient operation and easy replacement.
Innovation Solution
A staple-refill design featuring a casing with a staple discharge port, first and second positioning projections, and a cover member that allows for stable mounting in cartridges or packages, preventing staple fall-out and facilitating easy handling and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the staple-refill is made detachable and consumable for easy replacement, then the ease of operation is improved, but the stability during transportation deteriorates due to vibration damage
Solution Approach 1:
The staple-refill is divided into a detachable refill unit and a cartridge body. The refill unit can be easily removed and replaced when staples are consumed, while the cartridge body remains in the stapling machine. This segmentation enables easy replacement while the packaged refill units maintain stability during transportation.
Solution Approach 2:
The staple-refill is nested within a package that provides protective positioning structures. The package acts as a container that shields the refill during transportation, preventing vibration damage while allowing easy detachment when needed for replacement.
2Stability of the object's composition
If the staple-refill is positioned with positioning projections for stable mounting, then the stability is improved, but the device complexity increases
Solution Approach 1:
Positioning projections are provided only on specific surfaces of the staple-refill (front surface and rear surface) rather than all surfaces. This asymmetric placement provides sufficient positioning functionality while minimizing structural complexity. The projections engage with corresponding positioning recesses in the cartridge to ensure stable mounting.
Solution Approach 2:
The positioning projections serve multiple functions: they guide the refill into proper alignment during installation, prevent dislocation during operation, and ensure consistent positioning across multiple refills. This multi-functionality reduces the need for additional complex positioning mechanisms.
3Reliability
If the staple-refill is packaged to prevent vibration damage, then the reliability is improved, but the ease of operation deteriorates due to difficult removal
Solution Approach 1:
The refill is segmented from the packaging in a way that allows easy separation. The package is designed with features that enable simple detachment of the refill unit from the packaging, maintaining protection during transportation while facilitating easy removal when needed for replacement.
Solution Approach 2:
The package is pre-designed with built-in release mechanisms or separation features that allow easy removal of the refill without requiring additional tools or complex actions. This preliminary design consideration ensures that the protective packaging does not hinder easy operation during replacement.
Data Source
AI summary
A staple-refill 11 is provided with: a casing 12 in which a connected staple 10 is accommodated; a staple discharge port 16; a first positioning projection 17d on a surface 12a of the casing 12 on which the staple discharge portion 16 is formed; and a second positioning projection 19 on a surface 12d of the casing 12 which is opposite to the surface 12a on which the staple discharge portion 16 is formed.