Pivoting Armature Backlite Articulation Mechanism
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Solution Overview
Problem
Existing vehicle rear window mechanisms, such as retractable backlites, face challenges in integration with convertible systems, particularly with rigid windows, as they can be damaged during opening and closing, and sliding mechanisms occupy valuable space, restrict functionality, and affect structural integrity.
Innovation Solution
The use of a pivoting armature assembly with a driveshaft and lever system allows the backlite to articulate between open and closed positions, eliminating the need for sliding mechanisms and providing a compact, flexible solution that integrates with various vehicle architectures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sliding mechanism is used to retract the backlite, then the backlite can be moved between positions, but it occupies valuable space and restricts functionality
Solution Approach 1:
The backlite assembly is segmented into the backlite pane, a movable support structure, and a pivoting armature system. This segmentation allows the backlite to be articulated through a compact pivoting mechanism rather than requiring extensive sliding space, thereby reducing the volume occupied by the moving components while maintaining reliable retraction functionality.
Solution Approach 2:
The invention transitions from a linear sliding mechanism to a pivoting armature system that operates in a rotational dimension. The backlite support pivots about an axis, enabling the backlite to move between retracted and extended positions through angular displacement rather than linear translation, significantly reducing the space required for the mechanism.
2Reliability
If a sliding mechanism is used to retract the backlite, then the backlite can be moved, but it affects structural integrity
Solution Approach 1:
By segmenting the backlite assembly into a pane and a separately pivoting support structure, the invention isolates the moving components from the vehicle's main structural framework. The pivoting armature is contained within a housing that mounts to the vehicle body, preventing structural compromise while enabling reliable backlite retraction.
Solution Approach 2:
The pivoting armature assembly acts as an intermediary mechanism between the backlite pane and the vehicle body. This intermediate structure provides a compact pivoting mechanism that eliminates the need for large sliding components, thereby preserving structural integrity while maintaining reliable backlite movement functionality.
3Strength
If a rigid backlite is used, then the rear window provides structural support, but it can be damaged during opening and closing of the top
Solution Approach 1:
The pivoting armature mechanism is designed to provide controlled movement and positioning of the rigid backlite pane. The mechanism includes features that cushion and control the motion during opening and closing operations, preventing sudden impacts or misalignments that could damage the rigid backlite or surrounding structures.
Solution Approach 2:
The invention introduces dynamic control through the pivoting armature mechanism, which allows the rigid backlite to move smoothly between positions. The mechanism controls the motion trajectory and speed, adapting to the operational requirements during top opening and closing, thereby protecting the rigid backlite from damage while maintaining its structural support function.
4Ease of operation
If a complex mechanism is used to articulate the backlite, then precise movement control is achieved, but device complexity increases
Solution Approach 1:
The invention merges the functions of movement control, positioning, and structural support into a single integrated pivoting armature assembly. This consolidation eliminates the need for separate complex mechanisms for each function, achieving precise backlite control while reducing overall device complexity compared to systems that separately handle positioning, support, and movement.
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
This solution enables a movable backlite that reduces space constraints within the vehicle, enhances structural integrity, and simplifies maintenance, while allowing greater flexibility in vehicle design and reducing the risk of damage during operation.
Implementation Method 1
Rotation of the driveshaft in response to the motive force causes movement of the at least one lever assembly and articulation of the backlite pane
Data Source
AI summary
Assemblies and methods to articulate a movable surface such as a window covering an opening of a vehicle from closed to open positions using a pivoting armature are provided. An assembly includes a backlite pane pivotably attached about an axis fixed with respect to the vehicle; at least one lever assembly pivotably connected to the backlite pane to permit articulating movement of the backlite pane; and a motive force connected to a driveshaft connected to the at least one lever assembly such that rotation of the driveshaft in response to the motive force causes movement of the at least one lever assembly and articulation of the backlite pane.