360-Degree Mirror Assembly With Detent-Locked View Adjustment
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Solution Overview
Problem
Existing mirror assemblies on vehicles, particularly for marine vessels, lack sufficient positional adjustment flexibility, especially for watersports activities, where operators need to see behind the vessel without obstructing their forward view.
Innovation Solution
A 360-degree adjustable mirror assembly with a pivot arm and mirror adjustment mechanism allowing full 360-degree rotation and discrete or infinite positioning, secured to a windshield via clamping or suction, featuring a detent assembly for secure locking and varying friction levels for easy one-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mirror assembly is made adjustable to multiple positions, then the operational flexibility and safety are improved, but the device complexity increases
Solution Approach 1:
The mirror assembly is divided into multiple independently adjustable components: the mirror head can rotate horizontally, the entire assembly can pivot vertically on a ball joint, and the mounting position can be adjusted along the windshield. This segmentation allows each component to provide adjustment in its own dimension, achieving comprehensive positioning flexibility without requiring a single complex mechanism
Solution Approach 2:
The mirror assembly employs dynamic adjustment mechanisms including a ball joint for vertical pivoting and a horizontal rotation mechanism with detent positions. These dynamic elements allow the mirror to be positioned at multiple discrete orientations (including 360-degree horizontal rotation) while maintaining stability at each position, resolving the contradiction between adjustability and structural simplicity
2Adaptability or versatility
If the mirror assembly allows full 360 degree rotation, then the viewing coverage is improved, but the stability and control become difficult to maintain
Solution Approach 1:
The horizontal adjustment mechanism incorporates detent positions that provide periodic stable states during 360-degree rotation. These detents create discrete, reliably stable positions (such as straight ahead, left, right, and rearward views) while still allowing full rotational coverage. The periodic engagement of detents ensures the mirror remains stable at each viewing position without compromising the ability to rotate through all angles
Solution Approach 2:
The friction characteristics of the adjustment mechanisms are specifically tuned to allow easy movement between positions while maintaining stability at each position. The ball joint and horizontal rotation mechanism use controlled friction levels that enable one-handed operation but prevent unintended movement once positioned, thus maintaining reliability across the full range of motion
3Ease of operation
If the mirror assembly is made easy to adjust with one hand, then the ease of operation is improved, but the locking reliability may deteriorate
Solution Approach 1:
The mirror assembly features self-locking detent mechanisms that automatically engage when the mirror reaches specific positions during rotation. The spring-loaded detents automatically snap into place without requiring additional locking actions, providing reliable positioning while maintaining ease of operation. The operator simply rotates the mirror to the desired position and the detent system self-secures it
Solution Approach 2:
The friction characteristics of the adjustment mechanisms are specifically tuned to allow easy movement between positions while maintaining stability at each position. The ball joint and horizontal rotation mechanism use controlled friction levels that enable one-handed operation but prevent unintended movement once positioned, thus maintaining reliability across the full range of motion
Data Source
AI summary
An apparatus (100), including: a base assembly (302) configured to be secured to a windshield assembly; a mirror assembly (200); and a pivot arm (304) secured to the base assembly by a first pivot joint (306) and secured to the mirror assembly by a second pivot joint (202). The first pivot joint is configured to enable the pivot arm to rotate 360 degrees around a first pivot axis (310).