Window Handle Corner Cap Integration for Narrow Profiles
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Solution Overview
Problem
Existing handle arrangements for windows and doors with narrow frame profiles or those that can be opened outwardly are unsuitable due to space constraints and visual disturbances, as they require more space and are not aesthetically pleasing.
Innovation Solution
A handle arrangement with a cover designed as a corner cap that integrates into the frame profile's cross-sectional profile, eliminating the need for a cover rosette, featuring a pivoting handle with a radial lever and coupling piece for non-rotatable connection to the gear mechanism, allowing for compact and flush installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a conventional handle arrangement with cover rosette is used, then the handle can be securely mounted and operated, but it requires significant space and is visually disturbing on narrow frame profiles
Solution Approach 1:
The handle arrangement is segmented into distinct functional components: a base body for mounting, a cover element for aesthetic completion, and a handle for operation. This segmentation allows each component to be optimized independently - the base body can be compact for narrow profiles while the cover element provides the necessary structural enclosure.
Solution Approach 2:
The design transitions from a two-dimensional cover rosette mounted on the front surface to a three-dimensional corner cap that utilizes the corner region of the frame profile. By occupying the corner space vertically and laterally, the handle arrangement achieves compact integration without protruding significantly from the frame surface.
2Ease of operation
If the handle arrangement protrudes outward for easy operation, then manual handling is easier, but it becomes visually disturbing and occupies more space
Solution Approach 1:
The handle is designed to protrude locally from the corner cap only to the extent necessary for manual grasping and operation. The majority of the handle mechanism remains recessed within the corner cap, providing ease of operation where needed while maintaining a flush, aesthetically pleasing appearance at the visible frame surface.
Solution Approach 2:
The handle mechanism is nested within the corner cap structure, with only the essential operating portion extending outward. This nested arrangement allows the handle to be easily operable while the bulk of the mechanism remains concealed within the cap, preserving the clean lines of the narrow frame profile.
3Shape
If a cover rosette is used to cover screw heads, then the appearance is improved, but the overall space requirement and visual disturbance increase
Solution Approach 1:
The cover element is merged with the base body to form an integrated corner cap structure that serves multiple functions simultaneously: it covers the screw heads for aesthetic purposes, provides structural support for the handle mechanism, and maintains a compact profile suitable for narrow frames. This eliminates the need for a separate cover rosette.
Solution Approach 2:
The corner cap serves multiple functions: it acts as a cover element for aesthetic completion, provides structural housing for the handle mechanism, and maintains the structural integrity of the frame corner. This multi-functionality reduces the overall space requirement compared to conventional separate components.
Data Source
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AI summary
The invention relates to a handle arrangement (3) for a window, door, or the like, comprising at least one frame profile (2) with a front surface (7) and a side surface (8), and provided with glazing (15), wherein the side surface (8) adjoins the glazing (15) at an angle, with a manually operable handle (23) which performs a gripping movement when handled, and with a cover (24). It is provided that the cover (24) is designed as a corner cap (60) with a top surface (47) parallel to, and in particular flush with, the front surface (7) and an end face (48) parallel to, and in particular flush with, the side surface (8), and that a recess (58) allowing the gripping movement is provided on the end face (48) of the corner cap (60).