Monitor Mounting Apparatus With Sliding Pivot Hinge
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Solution Overview
Problem
Existing monitor mounting systems for passenger vehicles, such as aircraft and buses, often use single pivot tilt mechanisms that limit tilt range and cause monitor instability due to shaking, making it difficult for taller passengers to view the screen and compromising comfort.
Innovation Solution
A monitor mounting apparatus with a sliding pivot hinge mechanism that allows the monitor to move downward and outward while tilting, maintaining visibility of the top screen and reducing vibrations, featuring a central frame with wing portions and pivot linkages that adjust to create a greater tilt angle without encroaching on space behind the monitor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single pivot tilt mechanism is used to mount the monitor, then the installation is simple, but the tilt angle is limited and the monitor shakes during use
Solution Approach 1:
The single pivot mechanism is segmented into two independent pivot points: a first pivot for tilting and a second pivot for lowering. This segmentation allows each pivot to perform its specific function independently, achieving both simple installation and enhanced tilt capability without mechanical interference
Solution Approach 2:
The mechanism transitions from a single-degree-of-freedom pivot to a two-degree-of-freedom system by adding the lowering dimension. The monitor can now move in two independent directions (tilt and lower), expanding the viewing angle range while maintaining installation simplicity through standardized pivot connections
2Device complexity
If a single pivot tilt mechanism is used, then the structure is compact, but the monitor stability is poor and shaking occurs
Solution Approach 1:
The stabilization function is segmented from the tilting function by introducing a separate lowering pivot. This segmentation allows the first pivot to provide stable tilting while the second pivot independently controls the lowering motion, preventing the shaking that occurs in single-pivot designs where these functions are coupled
Solution Approach 2:
The second pivot acts as an intermediary mechanism between the monitor and the seatback, providing an additional degree of freedom that decouples the tilting and positioning functions. This intermediary pivot stabilizes the monitor by allowing independent adjustment of tilt and height, preventing vibration transmission
3Adaptability or versatility
If the monitor is lowered to be visible to taller passengers, then visibility is improved, but the top of the monitor encroaches on space behind it
Solution Approach 1:
The mechanism adds a lowering dimension to the traditional tilting motion. By introducing the second pivot that enables vertical lowering independent of tilting, the monitor can be positioned lower without compromising tilt angle, thereby improving visibility for taller passengers while maintaining adequate clearance behind the monitor
4Adaptability or versatility
If a greater tilt angle is achieved, then visibility for taller passengers is improved, but the mechanism complexity increases
Solution Approach 1:
The complex motion required for greater tilt angles is segmented into two independent, simple pivot operations. Rather than designing a single complex mechanism, the solution uses two simple pivots that can each be manufactured and installed independently, achieving greater tilt capability without proportionally increasing overall mechanism complexity
Data Source
AI summary
A monitor mounting apparatus for use in connection with passenger vehicles such as aircraft, trains, and buses. The unique pivoting mechanism of the mounting apparatus permits lowering of the monitor in a manner that permits the top of the monitor screen to be visible even to the tallest of passengers.