ATM Holding Section Knob Restriction Mechanism
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Solution Overview
Problem
In ATMs, the temporary holding section's operation knob can cause banknotes to become jammed when the section is in the mounted state, leading to potential damage to the device and the banknotes during maintenance operations.
Innovation Solution
A medium processing device with a temporary holding section that includes a gear system and an operation restriction portion, which blocks the transmission of rotary operations from the operation knob when the section is mounted, preventing jamming and allowing operation when detached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the temporary holding section is mounted to the main body frame, then banknotes can be transferred between the conveyance section and the temporary holding section, but the operation knob cannot be operated to prevent banknotes from becoming jammed
Solution Approach 1:
The operation restriction portion is provided in advance to prevent the operation knob from being operated when the temporary holding section is mounted. This preliminary protective measure blocks the transmission of rotary operations from the operation knob to the gear before any jamming can occur, while still allowing maintenance operations when the section is detached.
Solution Approach 2:
The operation restriction portion acts as an intermediary between the operation knob and the gear system. It selectively transmits or blocks rotary operations based on whether the temporary holding section is mounted or detached, thereby mediating between the need for operational protection and maintenance accessibility.
2Ease of repair
If the temporary holding section can be withdrawn from the main body, then maintenance operations can be performed more efficiently, but banknotes may become jammed in the conveyance path when the section is mounted
Solution Approach 1:
The operation restriction portion is installed in advance to prevent harmful rotary operations from being transmitted to the gear system when the temporary holding section is mounted. This preliminary protection prevents banknotes from becoming jammed in the conveyance path, while maintaining the ability to perform maintenance when the section is detached.
Solution Approach 2:
The operation restriction portion serves as a protective intermediary that selectively allows or blocks operation transmission based on the mounting state. It protects the banknote conveyance system from harmful operations during mounted state while permitting maintenance operations during detached state, thus resolving the contradiction between safety and maintainability.
3Productivity
If the gear is engaged with the operation knob, then the banknote can be conveyed along the conveyance path, but the banknote may be damaged by successive jamming in the conveyance path
Solution Approach 1:
The operation restriction portion prevents harmful rotary operations from being transmitted to the gear before banknote jamming can occur. By blocking operations when the temporary holding section is mounted, it prevents successive jamming that would damage banknotes, while still allowing normal conveyance operations when properly detached for maintenance.
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
Prevents damage to the device and banknotes by ensuring the operation knob only drives the gear system when the temporary holding section is in the detached state, thereby preventing jamming and maintaining operational efficiency during maintenance.
Implementation Method 1
a gear that is provided inside the temporary holding section, and that drives a mechanism that stores the banknotes into the temporary holding section and feeds out the banknotes from inside the temporary holding section
Data Source
AI summary
A medium processing device includes holding section that temporarily retains a medium therein. A gear inside the holding section drives a mechanism that stores the medium into and feeds out from the holding section. A main body includes a mounting location at which the holding section is mounted, and transfers the medium to and from the holding section at a time at which the holding section is mounted. An operation knob transmits, to the gear, a rotary operation applied from outside the holding section. An operation restriction portion at the main body, blocks transmission of the rotary operation from the knob to the gear in a mounted state in which the holding section is mounted at the mounting location, and allows transmission of the rotary operation from the knob to the gear in a detached state in which the holding section is detached.