Window Covering Coupling With Self-Aligning Bearing Insert
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Solution Overview
Problem
Existing window covering systems lack flexibility and modularity, often requiring new engineering and manufacturing for each application, and suffer from misalignment issues that can lead to system failure, with proprietary systems restricted to specific installations and lacking self-alignment capabilities.
Innovation Solution
A modular bracket system with a self-aligning spherical bush bearing insert and independent link insert, allowing for easy integration with various bracket types, enabling flexible and independent control of multiple window coverings, and featuring a C-shaped aperture design with a truncated circle hub for secure locking and compact size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If proprietary link systems use fixed bracket designs, then manufacturing is simplified, but adaptability to different applications is reduced
Solution Approach 1:
The patent applies universality by designing a single bracket configuration with a C-shaped aperture that can accommodate multiple types of window coverings (roller blinds, vertical blinds, horizontal blinds) and various bearing inserts. This universal bracket design eliminates the need for multiple proprietary bracket types while maintaining ease of manufacture through standardized production processes.
Solution Approach 2:
The patent applies segmentation by separating the bracket into two independent components: the C-shaped aperture bracket and the removable bearing insert. This allows the bracket to be manufactured once in a standardized configuration, while the bearing insert can be varied to suit different applications, thus maintaining manufacturing simplicity while achieving adaptability.
2Manufacturing precision
If precision metal bearings are used in link brackets, then alignment accuracy is improved, but susceptibility to misalignment and system failure increases
Solution Approach 1:
The patent applies spheroidality by replacing precision metal bearings with spherical plastic bush bearings. The spherical shape allows the bearing to self-align and accommodate misalignment in multiple directions, eliminating the rigidity that causes precision bearings to fail when misaligned. This curved geometry provides both the alignment accuracy and reliability needed.
Solution Approach 2:
The patent applies parameter changes by transitioning from metal to plastic material and from precision-cylindrical geometry to spherical geometry. This material and shape change allows the bearing to deform slightly and self-align, converting the rigid precision alignment requirement into a flexible self-aligning system that tolerates misalignment while maintaining reliability.
3Adaptability or versatility
If multiple bracket types are used to achieve flexibility, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent applies universality by designing a single C-shaped aperture bracket that can serve multiple functions across different window covering applications. This universal bracket replaces multiple specialized bracket types, achieving flexibility through one standardized component rather than through a complex family of different brackets.
Solution Approach 2:
The patent applies merging by combining the functions of multiple bracket types into a single universal bracket design. The C-shaped aperture configuration integrates the mounting, alignment, and retention functions that previously required different bracket styles, thereby reducing device complexity while maintaining adaptability.
4Ease of operation
If standard linking brackets are used, then ease of installation is improved, but self-alignment capability is lost
Solution Approach 1:
The patent applies self-service by enabling the spherical plastic bush bearing to automatically self-align within the C-shaped aperture bracket during installation. The spherical geometry allows the bearing to find its own optimal position and orientation, providing self-alignment capability without requiring complex adjustment mechanisms or specialized installation procedures, thus maintaining ease of installation.
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 system allows for rapid development of new link bracket types, provides self-alignment, reduces light gaps between blinds, ensures efficient force transfer, and supports both linked and independently controlled blinds with a single operating mechanism, enhancing flexibility, reliability, and aesthetic appeal.
Implementation Method 1
a spherical bearing having an outer curved surface adapted to slidingly engage with a corresponding surface of a coaxial spherical in section bushing to provide angular rotation of the bearing about a central point of the bearing assembly in two orthogonal directions for facilitating self alignment
Data Source
AI summary
The invention relates to coupling at least two window coverings and, provides apparatus for coupling a first and second window covering in substantially coaxial alignment comprising the combination of a bracket and a bearing insert, where: the bracket comprises at least one first portion adapted for fixing the bracket to a structure and a second portion comprising a combination of one or more generally C-shaped apertures; the bearing insert comprises a generally annular assembly with first and second side portions secured together by a hub portion, the hub portion having an outer surface configured as a truncated circle, wherein the truncated circle configuration of the hub portion is adapted to allow passage of the bearing insert into the C-shaped aperture and prevent passage out of the C-shaped aperture upon rotation of the bearing insert in the C-shaped aperture.