Spring-Action Mounting Bracket for Venetian Blind Top Rails
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Solution Overview
Problem
Existing mounting systems for top rails in venetian blinds and similar products face challenges such as limited access and visibility during assembly, as well as difficulty in lifting and positioning the weighty top rail, making horizontal positioning and final fixing cumbersome.
Innovation Solution
A reversibly expandable mounting bracket with spring-action support legs and inwardly directed retaining webs allows partial weight support and easy horizontal displacement of the top rail, enabling final fixation without the need for screws or additional fasteners, and includes features like catches, lever elements, and guide elements for improved handling and cable management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the top rail is mounted using conventional support legs, then the structure is simple, but the fitter must lift the entire weight of the top rail and blind, making horizontal positioning difficult
Solution Approach 1:
The mounting bracket incorporates a spring element that acts as a counterweight mechanism, providing upward force to compensate for the weight of the top rail. The spring is arranged to engage with the top rail and support its weight during positioning, reducing the effort required by the fitter to hold and move the rail horizontally.
Solution Approach 2:
The mounting bracket transitions from a static rigid structure to a dynamic system with spring elements that can compress and extend. This allows the bracket to adapt to the weight of the top rail and provide continuous support during the positioning process, while still maintaining structural integrity for final fixation.
2Manufacturing precision
If the top rail is held in position overhead during assembly, then positioning can be achieved, but the fitter has limited access and no direct view of the assembly
Solution Approach 1:
The mounting bracket is pre-assembled with the spring element and positioning features before the top rail is installed. This preliminary preparation allows the bracket to immediately provide support and guidance when the top rail is placed, eliminating the need for the fitter to manually hold and position the rail overhead while maintaining alignment accuracy.
3Reliability
If additional fasteners like screws are used for fixation, then secure mounting is achieved, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The mounting bracket employs a self-fixing mechanism where the spring element automatically engages with the top rail and locking features to secure the assembly. The spring's elastic force maintains constant pressure to ensure reliable fixation without requiring additional fasteners, while the self-locking geometry prevents accidental disengagement.
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
Facilitates simpler and more efficient assembly by allowing partial weight support during positioning, reducing the effort required for horizontal displacement and ensuring secure fixation without additional fasteners, while also optimizing cable routing and preventing unintended displacement.
Implementation Method 1
the first and second bracket legs have a spring action
Implementation Method 2
the mounting bracket is spread. The upper rail is pressed against the holding web by the spring action of the support legs
Data Source
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AI summary
The invention relates to a mounting support (10) for mounting upper rails for blinds, comprising a support base (11), a first support limb (12), and a second support limb (13) which are arranged in a U-shaped manner. The first support limb (12) and the second support limb (13) are arranged parallel to each other and perpendicularly to the support base (11), and the mounting support (10) can be spread in a reversible manner, wherein the first and second support limb (12, 13) have a spring effect. The first support limb (12) has a first retaining web (16a) which is oriented inwards on the end region facing away from the support base (11), and the second support limb (13) has a second retaining web (16b) which is oriented inwards on the end region facing away from the support base (11). The invention is characterized in that a first latch (15a) which comprises a latch surface (151a) facing away from the support base (11) and which protrudes inwards is provided at least on the first support limb (12).