Recessed Lamp Fitting Ring With Movable Retaining Element

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing built-in rings for installation lamps in ceilings or walls are complex to produce and handle due to multiple individual parts, leading to difficulties in assembly and risk of unintentional detachment during installation.

Innovation Solution

A simplified design featuring a movable holding element that can be manually changed in shape to separate from the base element, with a guided arrangement using guide pins and surfaces, and a reversibly releasable locking mechanism, reducing the number of parts and enhancing secure hold in the installation opening.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the retaining element is made detachable from the base element, then the assembly and replacement of parts becomes easier, but the risk of unintentional detachment increases

Engineering Contradiction:
Improveassembly and replacement of partsVSAvoidrisk of unintentional detachment
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The retaining element is designed as a flexible, unitary component that can be elastically deformed during assembly to engage with the base element, then returns to its original shape to maintain a secure, non-detachable connection. This flexibility allows easy assembly while preventing unintentional detachment during use.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The retaining element and base element are combined into a single integrated assembly through the flexible connection mechanism. While they can be separated during assembly/disassembly, during normal operation they function as one unified structure, eliminating the risk of unintentional separation while maintaining ease of replacement when needed.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If multiple individual parts are used in the mounting ring, then the functionality can be enhanced, but the manufacturing and handling complexity increases

Engineering Contradiction:
ImprovefunctionalityVSAvoidmanufacturing and handling complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Multiple functional components (retaining element, guiding elements, spring element) are merged into a single unitary retaining element structure. This integration maintains all necessary functionalities while dramatically reducing manufacturing steps, assembly operations, and handling complexity compared to using separate individual parts.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The unitary retaining element is designed with distinct functional zones and movable segments within the single piece structure. The element contains guiding portions, retaining portions, and elastic elements as separate functional segments that work together, achieving multi-functionality without requiring multiple discrete parts.

Inventive Principle:
Principle #1Segmentation

3Stability of the object's composition

If the retaining element is firmly fixed to the base element, then the structural stability is improved, but the ease of assembly and replacement of defective parts is reduced

Engineering Contradiction:
Improvestructural stabilityVSAvoidassembly and replacement of defective parts
Core Design Contradiction:
Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The retaining element uses elastic deformation capability to achieve a firm, stable connection with the base element during normal operation. The flexible material allows the element to be temporarily deformed for easy assembly and replacement, then maintains strong structural stability when engaged, combining both firm fixation and ease of assembly.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The connection between the retaining element and base element is designed to be dynamic rather than static. The retaining element can be easily inserted and removed through simple deformations, but once assembled, it maintains stable structural connection through elastic retention forces, allowing both easy assembly and structural stability.

Inventive Principle:
Principle #15Dynamics

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 design simplifies production and handling, reduces the risk of unintentional detachment, and facilitates easy assembly and replacement of parts, while ensuring a secure hold in the installation opening.

Implementation Method 1

The retaining element is held to the base element by means of a spring

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

The retaining element can be completely and reversibly separated from the base element by a deformation of the base element and/or the at least one retaining element

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP2893248B1Fitting ring for fitting a recessed lamp and a recessed lamp with fitting ring
Publication Date: 2020.04.29 ZUMTOBEL LIGHTING GMBH
  • EP2893248B1 patent drawingFigure 1
  • EP2893248B1 patent drawingFigure 2
  • EP2893248B1 patent drawingFigure 3

AI summary

The invention relates to a fitting ring (1) for fitting a recessed lamp in a fitting opening made in a ceiling or wall element, which ring has an annular base element (3) with a flange area for fitting against the ceiling or wall element. The fitting ring further comprises at least one retaining element (5) for retaining the base element (3) in the fitting opening. The at least one retaining element (5) is arranged so as to be moveable with respect to the base element (3) in such a manner that it can be moved backwards and forwards between a fitting position and a retaining position, wherein the fitting ring (1) can be moved into the fitting opening, when the at least one retaining element (5) is in the fitting position and wherein the fitting ring (1) is retained in the fitting opening when the base element (3) is located and positioned in the fitting opening as intended and the at least one retaining element (5) is located in the retaining position. The fitting ring (1) is designed in such a manner that the at least one retaining element (5) is arranged so as to be moveable on the base element (3) in such a manner that it cannot be separated from the base element (3) without a change in shape of the base element (3) and/or of the at least one retaining element (5). This makes it possible to reduce the risk that the at least one retaining element (5) inadvertently becomes detached from the base element (3) while giving a simpler design option overall. The use of the fitting ring (1) is thereby simplified.