Tilting Operation Panel With Hidden Maintenance Button Access
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Solution Overview
Problem
Existing operation devices in image forming apparatuses expose maintenance buttons to general users, leading to potential erroneous operations due to accidental activation.
Innovation Solution
An operation device with a rotatable operation portion that can be tilted or erected, featuring a cover mechanism to conceal the maintenance button during normal use and reveal it during maintenance, using mechanical components for angle retention and cover movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the maintenance button is always exposed for easy access, then the ease of operation is improved, but the reliability deteriorates due to inadvertent pressing by general users
Solution Approach 1:
The operation portion is designed to be rotatable between a tilted attitude (normal use) and an erected attitude (maintenance mode). The maintenance button's accessibility dynamically changes based on the rotation angle: covered during normal use to prevent erroneous operation, and exposed during maintenance when needed. This dynamic reconfiguration resolves the contradiction between ease of operation and reliability.
2Reliability
If the maintenance button is covered during normal use, then the reliability is improved by preventing inadvertent pressing, but the ease of operation worsens due to reduced accessibility
Solution Approach 1:
The system dynamically switches between two states: in the tilted attitude, the maintenance button is covered for reliability; in the erected attitude, the maintenance button is exposed for ease of operation. This dynamic approach ensures that the button is only inaccessible when accessibility is actually needed, resolving the contradiction between protection and accessibility.
3Device complexity
If the operation portion is fixed in one position, then the device complexity is reduced, but the adaptability worsens as it cannot accommodate different usage scenarios
Solution Approach 1:
The operation portion is designed with rotational capability, allowing it to switch between tilted and erected attitudes. This dynamic reconfiguration provides adaptability for different usage scenarios (normal use vs. maintenance) while maintaining relatively simple mechanical implementation through a tilt mechanism, resolving the contradiction between complexity and versatility.
Solution Approach 2:
The operation portion serves multiple functions through its two attitudes: in the tilted position, it provides normal user interface functionality; in the erected position, it provides maintenance access. This multi-functionality allows a single structure to accommodate both normal operation and maintenance requirements, resolving the contradiction between simplicity and adaptability.
Data Source
AI summary
An operation device operated by a person includes an operation portion, an attachment portion, and an opening/closing portion. The operation portion includes a normal input portion on a front surface thereof and a special input portion on a back surface or side surface thereof. The attachment portion supports the operation portion such that an angle of the operation portion can be changed between a tilted angle at which the operation portion is set in a tilted attitude and an erected angle at which the operation portion is set in an erected attitude. The opening/closing portion covers up the special input portion when the operation portion is set at the tilted angle and exposes the special input portion when the operation portion is set at the erected angle.