Door Handle Movable Piece Adapts to Profile Thickness
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing door and window handles are limited to specific European profiles and opening typologies, often resulting in uncomfortable operation and high production costs due to complex mechanisms and material inefficiencies, with a focus on minimalist aesthetics being compromised.
Innovation Solution
A handle design with a movable piece and lever assembly that allows adaptation to various profile thicknesses and opening types, featuring a square bar for rotational movement conversion, independent transmission mechanisms, and elastic means for gap correction, enabling assembly in a wider range of profiles and typologies without compromising aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the base of the handle is arranged inside the profile, then minimalist aesthetics and comfortable operation are improved, but the handle becomes limited to specific European profiles with fixed distances between channel center and profile wing
Solution Approach 1:
The movable piece is introduced to dynamically adjust the distance between the transmission mechanism and the profile wing, allowing the handle to adapt to different profile thicknesses. The movable piece can shift position along the actuating shaft direction, enabling the same handle design to fit various European channel profiles without redesigning the entire mechanism.
Solution Approach 2:
The handle is divided into separable components: a fixed transmission mechanism housed inside the profile, and a movable piece that can be independently adjusted. This segmentation allows the transmission mechanism to remain simple and profile-independent, while the movable piece handles the adaptation to different profile dimensions.
2Ease of manufacture
If standard transmission mechanisms are used, then production costs and manufacturing complexity are reduced, but the handle cannot be adapted to different profile thicknesses and opening typologies
Solution Approach 1:
The movable piece serves multiple functions: it adapts the handle to different profile thicknesses, adjusts the coupling position between the lever assembly and transmission mechanism, and enables compatibility with various opening typologies (interior/exterior opening, different profile types). This single component provides universal adaptability while allowing the use of standard transmission mechanisms.
3Adaptability or versatility
If the base is placed outside the profile, then profile adaptability is improved, but user comfort and minimalist aesthetics are compromised due to contact with the base during operation
Solution Approach 1:
The transmission mechanism is nested inside the profile channel, with the movable piece positioned between the profile wing and the transmission mechanism. This nesting arrangement keeps all mechanical components hidden within the profile structure, maintaining minimalist aesthetics while allowing the movable piece to provide the necessary adaptation functionality without being visible or accessible to the user during operation.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a handle for doors and windows and can be included in the technical sector of the manufacture of windows or doors and hardware thereof. More specifically, the object of the invention is a handle which comprises a series of relative improvements which allow the front coupling of a movable piece together with a lever assembly, which allows the use of said handle in a wide array of profiles and opening typologies, without penalising the operation or minimalist aesthetics of the handle.