A-Pillar Side Mirror Mounting for Removable Door Vehicles
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Solution Overview
Problem
Off-road vehicles designed for easy door removal often result in the loss of side view mirrors, as they are typically mounted to removable doors, leaving a gap in visibility and functionality during open-air driving experiences.
Innovation Solution
A side view mirror assembly that includes a base frame coupled to a bracket attached to the vehicle's static structure, utilizing a guide and pocket interface, along with a seal assembly and locator pins for secure mounting, ensuring the mirrors remain attached even when doors are removed, and allowing for adjustable positioning and additional features like lights and motors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If side view mirrors are mounted to removable doors for easy door removal, then door accessibility is improved, but mirror retention is worsened (mirrors are lost when doors are removed)
Solution Approach 1:
The mounting system is divided into separate components: a bracket that attaches to the vehicle's static structure (A-pillar) and a mirror assembly that attaches to the bracket. This segmentation allows the mirror to remain on the vehicle when doors are removed, while doors can still be easily removed independently.
Solution Approach 2:
A bracket serves as an intermediary component between the vehicle's static structure and the side view mirror. The bracket is permanently mounted to the A-pillar and provides a mounting interface for the mirror assembly, acting as a mediator that allows the mirror to be retained on the vehicle even when doors are removed.
2Reliability
If mirrors are permanently mounted to the vehicle body for secure retention, then mirror retention is improved, but door accessibility is worsened (complicates door removal)
Solution Approach 1:
The mounting system is divided into separate components: a bracket that attaches to the vehicle's static structure (A-pillar) and a mirror assembly that attaches to the bracket. This segmentation allows the mirror to remain on the vehicle when doors are removed, while doors can still be easily removed independently.
Solution Approach 2:
The mounting bracket is specifically positioned at the A-pillar (static structure) rather than on the door itself, creating a localized permanent mounting point that does not interfere with door removal operations elsewhere on the vehicle.
3Reliability
If a complex mounting system is used to secure mirrors to static structure, then mirror retention is improved, but device complexity is worsened
Solution Approach 1:
A bracket serves as an intermediary component between the vehicle's static structure and the side view mirror. The bracket is permanently mounted to the A-pillar and provides a mounting interface for the mirror assembly, acting as a mediator that allows the mirror to be retained on the vehicle even when doors are removed.
Solution Approach 2:
The mounting interface uses standard fastening methods (bolts, nuts, or clips) that are consistent with typical automotive mounting practices, making the system relatively simple and familiar to workers while still achieving secure permanent mounting.
4Ease of operation
If doors are removed for open-air driving, then ease of operation is improved, but visibility is worsened (loss of side view mirrors)
Solution Approach 1:
A bracket serves as an intermediary component between the vehicle's static structure and the side view mirror. The bracket is permanently mounted to the A-pillar and provides a mounting interface for the mirror assembly, acting as a mediator that allows the mirror to be retained on the vehicle even when doors are removed.
Solution Approach 2:
The mounting system transitions from a static door-mounted configuration to a dynamic A-pillar-mounted configuration that adapts to different operating conditions (doors attached or removed), ensuring mirror visibility is maintained regardless of door status.
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
The solution provides a secure, adjustable, and feature-rich side view mirror assembly that remains attached to the vehicle's static structure, maintaining visibility and functionality even when doors are removed, while allowing for easy installation and maintenance, and enabling the integration of additional accessories.
Implementation Method 1
heating the seal assembly to expand a sealing material within the space between the vehicle static structure and the flange of the bracket
Data Source
AI summary
A side view mirror assembly includes a base frame configured to couple to a bracket that is connected to a vehicle static structure. The base frame interfacing with the bracket through a guide that is at least partially received within a pocket when the base frame is coupled to the bracket. A mirror housing assembly is adjustably supported by the base frame.