Lip-Projection Mounting Set for Frame Centering

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Solution Overview

Problem

The conventional method of mounting a frame to a building framework is labor-intensive and time-consuming, requiring exposed fixing screws and lacking efficient centering and expansion compensation.

Innovation Solution

A mounting set with two interacting elements, where one has a projecting lip and the other has incrementally spaced projections, allowing for quick and secure attachment without visible screws, with automatic centering and elastic compensation for frame and framework shrinkage/expansion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional screw fixing method is used, then secure attachment is achieved, but mounting process becomes labor-intensive and time-consuming

Engineering Contradiction:
Improvemounting speedVSAvoidmounting complexity
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The mounting system is divided into two separate mounting elements: one fixed to the frame and another to the framework. These elements interact through a lip-projection mechanism that enables quick connection without complex screw operations, thereby improving mounting speed and ease of operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The conventional screw-fixing mechanical system is replaced with a click-in mechanism where a lip on one mounting element engages with projections on the other mounting element. This substitution eliminates the need for screwdrivers and multiple fastening operations, significantly reducing mounting time and labor intensity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Ease of manufacture

If conventional mounting method is used, then secure attachment is achieved, but fixing screws are exposed to view

Engineering Contradiction:
Improveaesthetic finishVSAvoidmounting structure
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The visible screw heads are extracted from the final assembled appearance. The mounting elements use hidden connection points where the lip engages with projections internally, eliminating exposed fasteners from the external view while maintaining secure attachment.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The mounting elements are designed to nest together with the lip fitting into the projection structure. This nested arrangement allows the fastening mechanism to be concealed within the joint between the frame and framework, providing a clean aesthetic finish without increasing overall structural complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Adaptability or versatility

If rigid fixed mounting is used, then stable positioning is achieved, but shrinkage and expansion cannot be compensated

Engineering Contradiction:
Improveexpansion compensationVSAvoidmounting stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The mounting connection is designed with elastic flexibility, allowing the lip to bend and the projection engagement to accommodate dimensional changes. This dynamic connection maintains stable positioning while adapting to thermal expansion and shrinkage of the frame and framework materials.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting system allows for parameter changes in the connection geometry through elastic deformation of the lip. As temperature changes cause expansion or shrinkage, the lip can elastically bend to maintain engagement with the projections, compensating for dimensional changes while preserving mounting stability.

Inventive Principle:
Principle #35Parameter changes

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

Enables fast, labor-efficient frame mounting with automatic centering and hidden fastening, suitable for temporary structures like holiday cottages, using easily manufactured bent plates for the mounting elements.

Implementation Method 1

Shrinkage and expansion of the frame and/or the building framework is compensated by the lip that elastically bent catches on one of the projections.

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP2351901B1Mounting set for fixing a frame
Publication Date: 2016.05.18 SMITS GEMERT
  • EP2351901B1 patent drawingFigure 1~3

AI summary

A mounting set 5 for securing a frame 1 to a setting frame 3 comprises two interacting mounting elements 7 and 9. A bent-over end of the first mounting element 7 forms a projecting lip 23. The second mounting element 9 comprises a row of projections 35 positioned one behind the other. During the mounting activity the lip 23 of the first mounting element 7 catches on one of the projections 35 of the second mounting element 9. Before the frame 1 is secured to the setting frame 3, mounting elements are first attached while distributed over the periphery of the frame and the setting frame. Subsequently, the frame 1 can be simply clicked into the setting frame 3 as a result of which quick mounting is made possible.