Cradle Pusher and Locker Mechanism for Secure Terminal Extraction
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Solution Overview
Problem
Existing cradle devices do not effectively prevent terminal devices from falling when removed by a user, lacking a mechanism to securely hold the device during the removal process.
Innovation Solution
A cradle device with a third recess, a pusher, and a locker mechanism that engages with a second recess on the terminal device, preventing it from falling by pushing it up and holding it in place using a projection part that interacts with the device's recesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple cradle structure is used, then device complexity is reduced, but the terminal device cannot be securely held during removal
Solution Approach 1:
The cradle device is divided into distinct functional components: a pusher mechanism for upward motion and a locker mechanism with projection parts for lateral engagement. This segmentation allows each component to perform its specific function efficiently while keeping the overall structure relatively simple.
Solution Approach 2:
The locker mechanism is pre-configured with projection parts that engage with the terminal device before removal begins. When the pusher moves upward, it triggers the locker to engage with the terminal device's recesses in advance, ensuring security is established before the removal action completes.
2Reliability
If a locking mechanism is added to prevent falling, then terminal device holding security is improved, but device complexity increases
Solution Approach 1:
The pusher and locker mechanisms are merged into a single integrated assembly. The pusher's upward motion directly actuates the locker's projection parts, combining two functions (pushing and locking) into one coordinated mechanism rather than using separate independent systems.
Solution Approach 2:
The locker mechanism automatically engages with the terminal device through the motion of the pusher itself. The projection parts are designed to snap into the terminal device's recesses through elastic deformation and geometric constraint, without requiring additional actuators or complex control systems.
3Ease of operation
If the terminal device is pushed up for easy removal, then ease of operation is improved, but the terminal device may fall during the process
Solution Approach 1:
The locker mechanism is pre-configured with projection parts that engage with the terminal device before removal begins. When the pusher moves upward, it triggers the locker to engage with the terminal device's recesses in advance, ensuring security is established before the removal action completes.
Solution Approach 2:
The locker mechanism transitions from a static structure to a dynamic engagement system. The projection parts can deform elastically and snap into place during the pusher's upward motion, adapting to the terminal device's position and ensuring secure engagement throughout the removal process.
Data Source
AI summary
A cradle device is configured to removably store a terminal device provided with a first recess having a second recess on its inner side face, the second recess being dented in a direction intersecting a removable direction. This cradle device includes a third recess, a pusher, and a locker. The third recess is capable of storing at least a part of the terminal device, the part including the first recess. The pusher is brought into contact with the first recess of the terminal device stored in the third recess, thereby pushing up the terminal device from the third recess. The locker is disposed in combination with the pusher and has a projection part formed to be engageable with the second recess. The locker holds the terminal device in such a manner that the projection part is engaged with the second recess of the terminal device pushed up by the pusher.