Rotatable Window Console Member for Aesthetic and Transport Optimization

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Solution Overview

Problem

Existing window operating and locking assemblies face challenges during manufacture, transportation, and use due to design limitations, including aesthetic issues and increased complexity in part cooperation, which affect manufacturing efficiency and require special precautions during transportation.

Innovation Solution

The assembly is improved by dividing the console member function into an outer console member carrying the handle bar and an inner console member, allowing the outer console member to rotate relative to the inner console member, and incorporating a locking element for transportation positioning, enabling easier assembly and reduced protrusion during use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the handle bar is designed to conceal the console members in the most common view angle, then aesthetic appearance is improved, but the handle bar protrudes from the planes of the frame and sash, requiring special precautions during transportation and complicating manufacturing

Engineering Contradiction:
Improveaesthetic appearanceVSAvoidmanufacturing and transportation complexity
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The console member is designed to be rotatable relative to the mounting base member, allowing it to change position dynamically. During transportation, it can be rotated to a retracted position flush with the sash plane, and during use, it can be rotated to the aesthetic position where it conceals the mounting base member.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The solution moves the console member from a fixed two-dimensional plane to a three-dimensional rotatable joint, allowing it to occupy different spatial positions. This rotational degree of freedom enables the member to alternate between protruding (aesthetic) and retracted (transportation-friendly) positions.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of manufacture

If the console member is designed as a single integrated part, then manufacturing is simpler, but the assembly and operation become more complex and less efficient

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidassembly efficiency
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The console member is divided into two separate components: the mounting base member (fixed to the sash) and the console member proper (rotatably connected). This segmentation allows each part to be manufactured independently with simpler geometry, while the rotational joint enables efficient assembly and operation.

Inventive Principle:
Principle #1Segmentation

3Shape

If the console member protrudes from the sash plane for aesthetic reasons, then visual appearance is improved, but transportation requires special precautions and increases risk of damage

Engineering Contradiction:
Improveaesthetic appearanceVSAvoidtransportation safety
Core Design Contradiction:
ShapeVSReliability

Solution Approach 1:

The rotatable joint enables the console member to be dynamically repositioned. For transportation, it is rotated to lie flush with the sash plane, eliminating protrusion and reducing damage risk. For use, it is rotated to the aesthetic position where it conceals the mounting base member.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2992155B1An operating and locking assembly, and a method of providing a condition of use of a window with such an operating and locking assembly
Publication Date: 2017.06.21 VKR HOLDING AS
  • EP2992155B1 patent drawingFigure 1
  • EP2992155B1 patent drawingFigure 2~3
  • EP2992155B1 patent drawingFigure 4~6

AI summary

The operating and locking assembly for opening, closing and locking a sash (2) relative to a frame (1) of a window, comprises a striking plate (40) on the frame (1), a lock mechanism (10) including a latch member, a roller member, a link member, at least one console member, a mounting base member (100) mounted on the sash (2), and a handle bar (120) connected to the at least one console member (80, 90). The operating and locking assembly is able to assume at least a locked position and an open position, and each console member comprises an inner console member (80) and an outer console member (90) pivotably connected to the inner console member (80), the handle bar (120) being connected to the outer console member (90).