Pivot Jaw Clip With Cam Lock For Infant Monitor
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Solution Overview
Problem
Infant breathing monitors attached to diaper waistbands require secure yet gentle attachment and easy detachment to prevent disturbance and incorrect operation, especially in low-light conditions.
Innovation Solution
A clip design featuring a pivot jaw and lock mechanism that allows for easy opening and closing with minimal force, using a contact protuberance and detent system to secure objects to substrates, ensuring reliable attachment and detachment without disturbing the infant.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a secure attachment mechanism is used to hold the breathing monitor firmly to the diaper waistband, then the monitor remains securely in place, but the attachment and detachment require significant force that may disturb the infant
Solution Approach 1:
The lock mechanism transitions from a static locked state to a dynamic unlocking state through a cam action. When the button is pressed, the cam rotates and converts rotational motion into linear motion that pushes the pivot jaw open, dynamically changing the attachment state without requiring direct pulling force on the jaws
Solution Approach 2:
The cam acts as an intermediary mechanism between the button (user input) and the pivot jaw (attachment element). The cam translates the small button press into the larger jaw opening motion, mediating the force requirement and allowing easy operation while maintaining secure attachment
2Reliability
If a complex locking mechanism is used to ensure secure attachment, then the monitor is held firmly in place, but the mechanism becomes difficult to operate in poorly lit conditions
Solution Approach 1:
The locking mechanism is segmented into distinct functional elements: a button for input, a cam for force multiplication, a lock for positioning, and a pivot jaw for attachment. This segmentation allows each element to perform its specific function simply, with the button being particularly easy to locate and press even in low light
Solution Approach 2:
The cam mechanism provides self-service by automatically converting the button press into jaw opening motion without requiring the user to manually manipulate multiple components. The mechanism serves itself by using the cam's geometric shape to generate the necessary mechanical advantage, reducing the cognitive and manual complexity for the user
Data Source
AI summary
A clip (10) is provided with a body (12,14) that can house a device (16) such as a breathing monitor and that can attach to a garment. The body (12,14) forms a fixed jaw (18) and has a pivot jaw (24) that can pivot to grip the garment between fixed jaw(18) and pivot jaw (24). The clip (10) also has a pivoting lock (38) with a detent (42) that locks the pivot jaw (24) in a closed position, when the lock (38) is in a lock position.