Sliding Bus Driver Barrier Panel
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Solution Overview
Problem
Conventional barriers for bus drivers obstruct passenger movement and vision when attempting to protect against projectiles from outside or inside the bus, as they typically swing around a central axis, compromising safety and visibility.
Innovation Solution
A vertically-oriented panel system that slides or rolls between forward and rearward positions within a bus, guided by a track system, ensuring the panel remains on the driver's side and does not obstruct passenger traffic or the driver's view, with an upper edge above the driver's seat and a lower edge below, and featuring a notch to maintain visibility of exterior mirrors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional barrier system swings around a central axis to protect the driver, then the driver is protected from projectiles, but passenger movement is obstructed
Solution Approach 1:
The barrier panel is made dynamically movable between a retracted position (allowing passenger access) and a deployed protective position (blocking projectiles). The panel slides along tracks mounted to the vehicle frame, transitioning from a static obstacle to a dynamic protective element that only activates when needed.
Solution Approach 2:
The barrier system is segmented into a movable panel component and a fixed track mounting structure. This segmentation allows the panel to independently move between positions without affecting the overall vehicle structure, enabling passenger flow when retracted and providing protection when deployed.
2Reliability
If a conventional barrier system swings around a central axis to protect the driver, then the driver is protected from projectiles, but the driver's vision is obstructed
Solution Approach 1:
The barrier panel incorporates localized transparent or translucent sections at strategic positions (such as the upper portion or specific viewing areas) while maintaining opaque protective sections elsewhere. This local quality differentiation allows the driver to see through specific areas of the panel when deployed, preserving vision while maintaining protection in other areas.
3Ease of operation
If a vertically-oriented panel is positioned between the driver's seat and passenger entryway, then passenger movement is not obstructed, but the driver's vision of exterior mirrors may be blocked
Solution Approach 1:
The barrier panel is designed with an asymmetric configuration, including a cutout or notch specifically positioned to align with the driver's line of sight to exterior mirrors. This asymmetric feature allows mirror visibility while maintaining the panel's vertical orientation and protective function, unlike a symmetric full-panel design that would block all views.
Data Source
AI summary
A barrier apparatus for protecting a bus driver including a vertically-oriented panel selectively moveable along a set of tracks between a forward position and a rearward position within a bus, the forward position including the panel positioned between a driver's seat and a passenger entryway of the bus. The panel is arranged so that, when in the forward position or the rearward position or moved between the forward position and the rearward position, the panel remains on a driver's side of the bus thus ensuring that the panel does not obstruct passenger traffic into and out of the bus during any phase of operation of the barrier system.