Clamping Elements for Undercut Groove Fitting Mounting
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Solution Overview
Problem
Existing systems for fastening fittings in profiles with undercut longitudinal grooves are difficult to assemble due to the need for threading and precise positioning of anchoring plates, making the process complex and labor-intensive.
Innovation Solution
A system featuring two pivoting clamping elements with adjustable positions, allowing for simple insertion into the groove and secure fastening by stretching and indentation of longitudinal ribs, with optional locking and release mechanisms for adjustability and ease of assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an anchoring plate with threaded holes is used to fasten a fitting part in a profile groove, then the fastening can be securely anchored, but the assembly process becomes complex and labor-intensive due to threading and precise positioning requirements
Solution Approach 1:
The mounting assembly is divided into two separate clamping elements instead of a single integrated anchoring plate. Each clamping element can be independently inserted and positioned into the profile groove, allowing for simpler assembly while maintaining secure fastening through the combined action of both elements
Solution Approach 2:
Instead of threading the anchoring plate into the groove from the open end, the clamping elements are designed to be inserted directly into the groove and then stretched to engage with the longitudinal ribs. This inverted approach eliminates the threading step and simplifies the assembly process while maintaining reliable fastening
2Reliability
If an anchoring plate is threaded into the groove and positioned for fastening screws, then secure fastening is achieved, but the device complexity increases due to multiple components and assembly steps
Solution Approach 1:
The two clamping elements are connected to each other and to the fastening part, combining their functions into a single integrated mounting assembly. This merging reduces the number of separate components and simplifies the overall device structure while maintaining secure fastening capability
Solution Approach 2:
The clamping elements are designed to automatically engage with the longitudinal ribs of the profile groove when stretched into position. The stretching action itself creates the locking engagement, eliminating the need for separate positioning or locking steps and reducing assembly complexity
Data Source
Figure 1
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AI summary
The system (100,200) comprises a door leaf profile (1,101) with an undercut longitudinal groove (4,104), whose opening (5,105) is formed of two longitudinal ribs (6,7,106,107) that are arranged on opposite sides of the longitudinal groove. A mounting assembly (12) is provided, which has two clamping elements with clamping grooves. The clamping elements are displaceable between a primary position and a secondary position, where the clamping elements are guided into the opening of the longitudinal groove. An independent claim is also included for a door with a door leaf, a door frame and a system for mounting a fitting.