Window Metalwork Mode Conversion via Eccentric Coupling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing window metalwork systems, such as turn tilt and tilt turn types, require replacement when switching between operation modes, which is costly and labor-intensive due to complex adjustable parts and time-consuming coupling processes.
Innovation Solution
A metalwork system with a rotating arm and eccentric gudgeon mechanism that allows easy conversion between turn tilt and tilt turn types, combined with a snap-in coupling system for the angle drive, enabling quick and non-craftsman-assisted transformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional turn tilt or tilt turn metalwork systems are used, then the window can operate in a specific mode, but switching between modes requires complete replacement of the metalwork system which is costly and labor-intensive
Solution Approach 1:
The metalwork system is divided into separable components: a first part fixed to the window frame and a second part fixed to the window leaf, connected through a coupling device. This segmentation allows the coupling device to be independently adjusted or replaced without replacing the entire metalwork system, enabling mode switching while reducing complexity.
Solution Approach 2:
The coupling device incorporates adjustable elements that can dynamically change the operational mode between turn tilt and tilt turn. The adjustable part allows the metalwork to adapt its configuration, transforming from one operational type to another without requiring complete system replacement.
2Adaptability or versatility
If adjustable parts are provided to enable transformation between metalwork types, then mode switching becomes possible, but the adjustable parts become relatively complex and require removal and turning operations
Solution Approach 1:
The adjustable elements are extracted as separate, removable components from the main metalwork structure. This allows the adjustable part to be independently manipulated, removed, and repositioned without affecting the stability of the fixed metalwork parts, simplifying the transformation process.
Solution Approach 2:
A coupling device acts as an intermediary between the first and second metalwork parts, providing a standardized interface that simplifies adjustment operations. The coupling device mediates the transformation process, making it easier to switch between modes compared to direct adjustment of the main metalwork components.
3Adaptability or versatility
If complex adjustable parts are used for mode transformation, then versatility is improved, but labor costs and installation time increase
Solution Approach 1:
The adjustable elements are pre-configured with standardized features (such as threaded connections or quick-release mechanisms) that prepare them for rapid adjustment. This preliminary design enables faster transformation operations, reducing the time and labor required to switch between metalwork types.
Solution Approach 2:
The coupling device uses standardized, repeatable adjustment mechanisms that can be manufactured as identical copies. This standardization allows for quick replacement and adjustment without requiring custom fabrication or complex procedures, significantly reducing transformation time.
4Adaptability or versatility
If the entire metalwork system is replaced to switch modes, then operational requirements are met, but cost price and labor costs increase significantly
Solution Approach 1:
The metalwork system is designed with universal components that can serve multiple operational modes. The first and second parts can remain in place while the coupling device is adjusted to achieve different modes, making the system multi-functional without requiring complete replacement for each mode change.
Solution Approach 2:
Instead of discarding the entire metalwork system when switching modes, only the adjustable coupling elements are modified or repositioned. The fixed metalwork parts are recovered and retained, significantly reducing material costs and waste associated with complete system replacement.
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 rapid and cost-effective conversion between window operation modes without replacing the entire metalwork system, reducing labor costs and simplifying the mounting and dismounting process.
Implementation Method 1
a rotating arm on which is provided an eccentric gudgeon which can work in conjunction with a complementary female coupling element on the slide lath, which arm can rotate half a turn on the main arm between two positions that can be locked
Implementation Method 2
a coupling piece in the shape of a snap-in system at its far ends to connect other of the above-mentioned slide laths or other elements of the metalwork to
Implementation Method 3
an elastic, flexible lath, which lath is coupled to the above-mentioned slide laths at its far ends
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Metalwork of a window with a fixed frame (2) and a leaf (3) as well as a control of the metalwork to open and close the leaf (3) which can turn round a vertical axis (X-X') or which can tilt round a horizontal axis (Y-Y') depending on the position of the control (15), whereby a scissor mechanism (29) is provided with a main arm (30) which can freely rotate in relation to the leaf (3) in order to make the window (1) tilt and which can be locked in relation to the leaf (3) in order to make the window (1) turn by means of a locking device with two coupling elements, a coupling element (38) is provided on the leaf (3) on a slide lath (28) which can shift over an outer perimeter (8) of the leaf (3) by means of the control (15) and a coupling element (37) on the main arm (30) is made as a rotating arm (39) on which has been provided an eccentric gudgeon (37) which can work in conjunction with a complementary female coupling element (38) on the slide lath (28), which arm (39) has been provided on the main arm (30) in such a way that it can turn half a turn between two positions that can be locked, corresponding to a turn tilt or a tilt turn type of metalwork (6) respectively.