Vertical Locking Device for Narrow Windows
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Solution Overview
Problem
Conventional locking devices for windows and doors are not suitable for narrow constructions as they protrude into the opening area and cannot effectively limit the sash opening width, making them unsuitable for use with patio doors or continuous floors.
Innovation Solution
A locking device with first and second bearing elements designed for attachment to the hinge-side vertical bars of the sash and frame, allowing three rotational degrees of freedom, utilizing ball joints and snap-in connections to ensure secure attachment and automatic release, and adjustable braking units for customizable locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional locking devices are used with narrow windows, then the locking function is provided, but the locking arm protrudes into the opening area and cannot be used with patio doors or continuous floors
Solution Approach 1:
The locking device transitions from horizontal mounting to vertical mounting on the hinge-side spars. By changing the orientation from horizontal (conventional) to vertical (invention), the locking arm operates in a different spatial dimension that eliminates protrusion into the opening area while maintaining the locking function for narrow windows and patio doors.
Solution Approach 2:
The invention inverts the conventional mounting approach by attaching the locking device to the vertical spars rather than horizontal bars, and by positioning the bearing elements vertically aligned on the hinge side. This inversion allows the locking arm to function without protruding into the opening area.
2Adaptability or versatility
If locking devices are designed for horizontal mounting on window bars, then the locking arm can be positioned, but it cannot be used with very narrow windows or doors
Solution Approach 1:
The locking device is designed with universal applicability by mounting vertically on the hinge-side spars rather than horizontally on bars. This configuration allows the same device to be used across different window and door types including narrow windows, patio doors, and continuous floor applications, eliminating the need for different mounting configurations.
3Reliability
If the locking arm is positioned to lock the sash, then it protrudes into the opening area between the sash and frame, but this is disruptive for patio doors with thresholds or continuous floors
Solution Approach 1:
The invention extracts the locking arm from the horizontal plane and repositions it vertically on the hinge side. By removing the horizontal protrusion component and relocating the locking mechanism to the vertical spar area, the device maintains reliable sash locking while eliminating the disruptive positioning in the opening area.
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 secure locking and safe operation of narrow windows and doors without protrusion into the opening area, allowing for automatic release of forces and preventing damage, suitable for various applications including patio doors and continuous floors.
Implementation Method 1
the first and the second bearing element each have three rotational degrees of freedom. In contrast to the known locking devices, in which the locking arms can usually only be pivoted about one axis, the locking arm according to the invention can therefore be rotated both relative to the window frame and relative to the sash about all three possible axes of rotation that are perpendicular to one another and span the room.
Implementation Method 2
at least one of the ball heads is held in the ball socket by a snap-in connection, which can in particular be released automatically. This ensures that when a force is applied to the sash that is in its maximum open position, the latching connection is automatically released when a predetermined force is exceeded, so that no loads act on load-bearing components of the window or door and, for example, breakage of a bearing is prevented.
Data Source
AI summary
The device (6) has two bearing elements (11, 15) for pivotable supporting of a locking arm (7) on a blind frame (3) and a wing (1), respectively. The bearing elements are fastened at hinge side rails (4, 5) of the wing and the blind frame, respectively. The bearing elements comprise a ball joint (12) with ball heads (8, 9) that are rotatably supported in a ball socket. A limiting element limits displacement of the bearing elements. The bearing elements are movable against the wing or the blind frame.