Spring-Actuated Earring Removal Tool for Friction Backers
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Solution Overview
Problem
Existing devices for removing pierced earrings, particularly those with friction or locking backers, are difficult to use and can be painful due to high initial separation force, small size of the backer, and limited leverage, making it challenging for individuals to remove earrings without causing discomfort or irritation.
Innovation Solution
A device with tips that easily interface with the earring and backer, featuring a spring characteristic that allows for controlled separation with a squeezing motion, enabling single-handed operation and maintaining grip on the backer after removal, thus avoiding dropping and providing a controlled and comfortable removal process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If friction-style backers with larger diameter posts and backers are used to provide more holding force, then the holding force is improved, but the removal force required increases making it difficult to remove
Solution Approach 1:
The device segments the removal action into two distinct phases: a high-force initial separation phase that overcomes static friction and locking engagement, followed by a low-force extraction phase. The spring mechanism provides the concentrated force needed for initial separation, while the user applies only minimal force for the remainder of the removal process.
Solution Approach 2:
The spring mechanism performs the difficult preliminary action of overcoming static friction and breaking the locking engagement before the user needs to apply any force. The spring is pre-loaded to store energy that is released during the initial separation, eliminating the need for the user to generate high removal forces.
2Strength
If locking backers are used to provide strong gripping force, then the holding force is improved, but the initial separation force becomes extremely high requiring significant pulling force
Solution Approach 1:
The spring mechanism performs the preliminary action of breaking the locking engagement between the backer and post groove. The pre-loaded spring stores sufficient energy to overcome the high static friction and snapping force required to disengage the locking mechanism, which would otherwise require excessive manual pulling force.
Solution Approach 2:
The spring acts as an intermediary that mediates between the user's minimal input force and the high force required to break the locking engagement. The user simply triggers the spring release, and the spring provides the concentrated force needed to overcome the locking mechanism without requiring the user to directly apply high force.
3Object-affected harmful factors
If the backer size is kept small for comfort, then the comfort is improved, but the gripping difficulty increases making it hard to hold and remove
Solution Approach 1:
The device segments the gripping function into two parts: the spring mechanism automatically grips the small backer without requiring user finger dexterity, while the user only needs to hold the larger earring front. This segmentation eliminates the need for users to directly grip the small, difficult-to-hold backer.
Solution Approach 2:
The spring mechanism performs the self-service function of automatically gripping and holding the small backer during the removal process. The elastic arms naturally conform to and secure the backer, eliminating the need for user fingers to manually grip and manipulate the small component.
4Ease of operation
If manual pulling is used to overcome static friction, then the removal is achieved, but the earlobe is squeezed causing discomfort or pain
Solution Approach 1:
The spring mechanism acts as an intermediary that applies the high separation force directly between the backer and post, bypassing the earlobe entirely. The user holds only the earring front while the spring mechanism handles all force application for backer separation, eliminating the need to squeeze or pull on the sensitive earlobe tissue.
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 facilitates safe, soft, and gentle removal of various earrings, including those with butterfly-style backers, allowing for fast, simple, and comfortable separation without applying load on the ear, suitable for both children and adults, and can be manufactured using economical methods for wide accessibility.
Implementation Method 1
a structure that couples the first tip to the second tip, said structure comprising a spring characteristic; wherein (i) the spring characteristic is biased to cause the first and second tips to be separated from each other in a neutral position
Data Source
AI summary
An earring removal device is provided to remove a stud type earring. The removal device includes tips that easily interface with the earring post and backer to facilitate removal. The tips are coupled to an arcuate structure with a spring characteristic. Simple squeezing of the arcuate structure actuates the tips to separate the backer from the post. The spring characteristic is biased to keep the tips spaced apart, or open, in the absence of a squeezing force.