Window Assembly Snap-On Handle Retraction for Transport
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Solution Overview
Problem
Existing window assemblies with projecting handles face challenges in packaging and transportation due to the risk of damage, as the handles protrude beyond the frame outline, necessitating specialized packaging or handling to avoid collisions and damage during transit and storage.
Innovation Solution
A window assembly design where the ventilation flap is initially positioned during transport to not protrude from the frame outline, allowing for safe packaging and transport, and is only connected to the lock at the installation site, with a snap-action engagement mechanism for the handle and main body, and a resilient support for the link member to dampen vibrations and facilitate smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handle projects outwards from the frame to allow firm grip for manipulating the flap, then the ease of operation is improved, but the risk of damage during transport and packaging increases
Solution Approach 1:
The handle is designed to be movable relative to the flap, allowing it to change position between a retracted state during transport and an extended state during operation. This dynamic configuration enables the handle to adapt to different functional requirements: protected during transit and accessible during use.
Solution Approach 2:
The handle assembly is divided into separate components that can move independently. The handle can be detached or repositioned relative to the flap, allowing the problematic projecting portion to be separated from the main structure during transport while being available when needed for operation.
2Ease of operation
If the ventilation flap is positioned to protrude from the frame outline, then the ease of operation is improved, but the packaging complexity and transportation difficulty increase
Solution Approach 1:
The ventilation flap is designed with dynamic positioning capability, allowing it to be retracted into the frame outline during packaging and to extend outward during operation. This dynamic reconfiguration simplifies packaging while maintaining operational accessibility.
Solution Approach 2:
The flap is pre-positioned in a retracted state during manufacturing and packaging, eliminating the need for specialized packaging accommodations. The extension to the operational position occurs only when needed, after the product has been packaged and transported.
3Ease of operation
If the handle projects beyond the frame outline, then the ease of operation is improved, but the risk of damage to adjacent assemblies during storage increases
Solution Approach 1:
The handle is designed to dynamically adjust its position, remaining retracted during storage and transport to avoid interfering with adjacent assemblies, and extending only when needed for operation. This eliminates the persistent harm caused by fixed projecting handles.
Solution Approach 2:
The handle is pre-positioned in a retracted state that prevents potential damage to adjacent assemblies during storage and transport. This preliminary positioning counteracts the potential harmful effect before it can occur, allowing the handle to be extended only when the risk of damage is no longer present.
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 enhances the safety and efficiency of transporting and packaging window assemblies by preventing handle damage and allowing for easy installation, while ensuring secure locking and smooth operation of the ventilation flap.
Implementation Method 1
a resilient support for support of the link member. This structure is of particular advantage in that the resilient support may dampen or limit vibrations of the link member.
Implementation Method 2
a resilient support for support of the link member. This structure is of particular advantage in that the resilient support may dampen or limit vibrations of the link member.
Implementation Method 3
with a snap-action engagement mechanism for the handle and main body
Data Source
Figure 1~2
Figure 3a
Figure 3b~3c
AI summary
A window assembly (1) for mounting in a building structure, said assembly (1) including: - a window sash (20) pivotally mounted to a window frame (10), - a ventilation opening (9) suitable for air ventilation of said building structure, - a ventilation opening flap (30) connected with said sash (20) or said frame (10) and being pivotally movable between a closed position wherein said flap (30) blocks said ventilation opening (9) and an open position wherein said ventilation opening (9) is unblocked, - said flap (30) including a structural part (38), such as a handle, projecting outwards from said frame (10) in said open and closed positions, said flap (30) connected with said sash (20) or said frame (10) being movable to said open or closed position from a first position wherein said structural part (38) projects less from said frame (10).