Sliding wing system with special locking

By relocating the gear outside the frame profile and keeping locking elements within, the sliding sash system addresses space and visibility issues, providing a secure, visually appealing, and contamination-resistant locking mechanism.

EP4407127B1Active Publication Date: 2025-06-25SOLARLUX ALUMINUM SYST
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Patent Information

Application Number
EP2024154136
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2023-01-27
Filing Date
2024-01-26
Publication Date
2025-06-25
Estimated Expiration
2044-01-26

AI Technical Summary

Technical Problem

Existing sliding sash systems face issues with large space requirements for locking components, compromising tamper-proof nature and visual aesthetics, and are prone to contamination.

Method used

The gear for actuating locking elements is relocated outside the frame profile, with locking elements remaining in the frame, allowing for a compact design that conceals locking counterparts and maintains a visually appealing 'structural glazing effect' while ensuring secure and easy operation.

Benefits of technology

The system achieves a visually appealing, tamper-proof, and contamination-resistant locking mechanism with minimal installation effort, maintaining a narrow profile and secure locking without obstructing the view.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a sliding sash system, in particular a sliding window system, with at least one sliding sash (1) arranged in a retaining frame (2). The sliding sash (1) is displaceable between an open position and a closed position of the sliding sash system relative to the retaining frame (2) in a horizontal displacement direction (V) and has a sash frame with frame profiles (3) arranged vertically on both sides. The sliding sash system also has a locking device. The locking device has locking elements (6) arranged in the frame profile (3) and locking counterparts (7) arranged in or formed in a horizontally arranged retaining profile (8) of the retaining frame (2).The locking elements (6) are designed to lock the sliding sash (1) in the closed position by means of an actuating element (17) via a gear mechanism (15) and are displaceable in opposite directions in the vertical direction (R) such that they interact with the locking counterparts (7) to block any movement of the sliding sash (1). The gear mechanism (15) is located outside the frame profile (3).
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Description

[0001] The invention relates to a sliding sash system, in particular a system with sliding window sashes, according to the preamble of claim 1.

[0002] Such sliding sash systems have at least one sliding sash arranged in a support frame, which can be displaced horizontally relative to the frame between an open and a closed position. The sliding sash has vertical frame profiles on both sides, at least one of which accommodates locking elements that, in turn, engage with locking counterparts arranged in the support profiles. The locking elements are actuated via a gear that moves them in opposite directions to block movement of the sliding sash in cooperation with the locking counterparts. Such a sliding sash system is known from DE 24 55 479 AA. The locking system shown therein requires a relatively large amount of space in the sash frame.

[0003] In practice, there are already sliding sash systems in which the sash frame, contrary to the generic state of the art, does not contain locking components. The locking elements are arranged in a separate profile that is attached to the outside of the sash frame. The locking counterparts are located in an area in front of the retaining frame. Although this design relieves the load on the frame profiles, depending on the installation situation, this can compromise the tamper-proof nature of the locking mechanism and may also be visually obtrusive. Another sliding sash system is known from US 2021 / 095503 A.

[0004] The invention is therefore based on the object of offering improvements over the prior art. This object is achieved by a sliding sash system having the features of claim 1. By relocating the gear for actuating the locking elements out of the frame profile, while the locking elements themselves remain in the frame profile as do the locking counterparts in the holding frame, a small extension of the frame profiles in the horizontal direction, i.e. in the sliding direction, can be achieved while simultaneously arranging the locking counterparts in the sash plane. The resulting small visible width of the frame profiles enables a so-called "structural glazing effect". The system is visually appealing, can be set up with little installation effort and is less susceptible to contamination, particularly in the area of ​​the locking counterparts.

[0005] The aforementioned frame profile, within the meaning of the invention, means a profile that is arranged at an end of the sliding sash lying in the sliding direction, usually accommodates one or more filling elements and is slidably mounted in a holding frame. Although the frame profile can certainly be designed in several parts, it does not include profiles arranged upstream or downstream in the visual direction that do not serve to accommodate filling elements, such as a handle strip for sliding the sash. Such upstream or downstream profiles are not part of the frame profile within the meaning of this application. The aforementioned sliding direction extends horizontally in a longitudinal center plane of the sliding sash. Sliding sashes within the meaning of the application mean sash elements that can be moved at least in the sliding direction. This does not exclude the possibility of pivoting the sliding sash. Sliding sashes therefore also include sliding and side-hung sashes.

[0006] The support frame of the sliding sash system extends around the entire system and comprises horizontal support profiles at the top and bottom. The lateral, vertical areas of the support frame can also be formed by profiles or adjacent building parts with corresponding fittings. The locking elements of a sliding sash, in particular two of them, are preferably arranged in the vertical frame profile, which is aligned with the vertical part of the support frame. Preferably, each locking element interacts with a locking counterpart. However, several locking counterparts can also be provided, e.g. if the sliding sash in question is to be locked in different positions. In a structurally simple and stable and therefore preferred manner, the gear is designed as a bascule.The locking elements are preferably arranged in such a way that they protrude from the top and bottom of the frame profile in a locking position, but disappear into the frame profile in a sliding position.

[0007] In a preferred embodiment of the invention, the locking elements are each rigidly connected to the gear mechanism by means of a connecting element. This enables the system to be highly stable and tamper-proof.

[0008] The gear mechanism and the locking elements can be housed in a common housing, a portion of which can form or at least co-form part of the frame profile. Another portion of the housing can form a handle bar.

[0009] In the sliding sash system according to the invention, the gear is accommodated in a handle bar arranged on the frame profile, particularly on the inside, on the fitting side in the viewing direction. The handle bar is a profile element that usually protrudes beyond the frame profile and serves as a handle for sliding the sash. The handle bar can be formed integrally with the frame profile, but is preferably a separate component and can be used independently of the frame profile.

[0010] The arrangement of the gear outside the frame profile can preferably be designed such that it is offset with respect to the locking elements. In particular, an offset in the viewing direction and / or in the sliding direction, preferably in both directions, can occur. An offset in the viewing direction should preferably be inwards if the sliding sash system is to be operated and locked from the inside. An offset of the gear in the sliding direction is preferably directed towards the center of the sliding sash, i.e. away from the frame profile in which the locking elements are located. With such an arrangement, it is advantageously possible for the frame profile of the sliding sash to at least partially engage with the adjacent vertical retaining profile or to be covered by it, without there being a collision with the gear or the handle bar.This means that the locking counterparts assigned to the locking elements can be located at least predominantly outside the field of vision in the holding frame and are therefore also located outside the step area, thus avoiding the risk of tripping even with narrow heels.

[0011] Since the position and arrangement of the locking counterparts in the horizontal support profile of the support frame has a significant influence on accessibility and, if applicable, barrier-free access, it is advantageous if the locking counterparts do not protrude from the support profile, but are flush with it or are arranged in a recessed manner.

[0012] The sliding sash system can be easily adapted, particularly in the case of additive tolerances, if the locking counterparts in the retaining profile are designed to be adjustable in their position, particularly in the direction of sliding.

[0013] At the transition to the building's vertical support frame, the arrangement of the locking counterparts and, in particular, the locking elements should preferably be selected such that, when the sliding sash is in the closed position, the aforementioned components are at least substantially concealed by the support profile. This ensures that they are visually inconspicuous and protected from contamination. The substantially concealed arrangement should allow at least 50% of the extent of the parts of the locking counterparts that interact with the locking elements to disappear into the support profile in the sliding direction.

[0014] Finally, an advantageous embodiment is one in which the frame profile has guide elements, which can in particular be designed with sliding surfaces. These guide elements serve to guide the locking elements and increase the service life of the device. They prevent long and slender locking elements from hitting and / or rattling in the frame profile during movement.

[0015] Further advantages and details emerge from the subclaims and the exemplary embodiments shown in the drawings, which are described below; they show: Fig. 1 a sliding sash system according to the invention in horizontal section, partly schematic, Fig. 2 an enlargement of detail II from Fig. 1 , Fig. 3a locking device made of Fig. 2 in perspective view Fig. 4 a locking device in an alternative embodiment, also in perspective view and Fig. 5 a section / top view from direction VV in Fig. 4 .

[0016] The Fig. 1 The selected illustration shows an inventive sliding sash system using the example of a four-wing system, the sliding sashes 1 of which are held displaceably in a circumferential holding frame 2 along a horizontal sliding direction V. The sliding sashes 1 each have a sash frame with frame profiles 3 arranged vertically on both sides. In the embodiment shown, the frame profiles 3 each carry triple glazing, whereby the sliding sashes 1 are designed as sliding window sashes. In the illustration of the Fig. 1 all sliding panels 1 are closed. This position can be locked or fixed using locking devices.

[0017] A locking device and its special arrangement is described in the Fig. 2 and 3 shown in more detail, where Fig. 2 a detailed enlargement of detail II from Fig. 1 shows the locking device that is in Fig. 1 is essentially not shown for the sake of clarity. The locking device includes locking elements 6, which in the embodiment of the Fig. 1 bis 3 designed as locking rods and are arranged in the vertical frame profile 3. To lock the sliding sash 1, the locking elements 6 interact with locking counterparts 7, of which the lower one in Fig. 3 can be seen. The locking counterparts 7 are arranged in horizontal holding profiles 8 of the holding frame 2. In the preferred embodiment shown, they can be moved in the holding profile 8 in the direction of displacement V, whereby their correct position can be set and readjusted during assembly or at a later time. In the embodiment shown, this is done by a fixing screw 9. The locking counterparts 7 are preferably accommodated in the holding profile 8, as shown, in such a way that they do not protrude beyond it in the viewing direction S, so that free passage is not impaired.

[0018] To lock in a locking or closed position, the locking elements 6 in the illustrated embodiment engage in recesses of the locking counterparts 7. In Fig. 3 the recess of the locking counterpart 7 itself is not visible; it is located in the direction of displacement V to the left of the fixing screw 9. In the embodiment shown, the locking rods 6 have pins 12 at their ends, which (also not shown) are chamfered at the ends in order to slide more easily into the recesses of the locking counterparts 7.

[0019] According to the invention, the locking mechanism is actuated by a counter-rotating displacement of the locking elements 6 in the direction R via a gear 15, which can be actuated via an actuating element 17, here a pivotable handle lever. The gear 15 acts on gear rods 19, which are preferably rigidly connected to the locking elements 6 by means of connecting elements 20, here in particular via connecting webs 21. As a result, a vertical movement of the gear rods 19 is also transmitted in the locking direction R to the locking elements 6.

[0020] As particularly in Fig. 2 As can be seen, the gear 15 is located outside the frame profile 3, here viewed from a viewing direction S on the inside in front of the frame profile 3. It is preferably accommodated in a handle bar 25, which is usually provided for handling and sliding the sliding sash 1. This handle bar 25 preferably does not protrude beyond the width B of the frame profile 3 in the sliding direction V and thus does not restrict the free viewing area in sliding windows, so that a desired "structural glazing effect" is maintained. The handle bar 25 can preferably and as in the illustrated embodiment of the Fig. 2 realized form a housing 27 for the gear 15, wherein the housing walls can also house the connecting elements 20 to the locking elements 6. In the illustrated embodiment, this housing 27 also encompasses the locking elements 6 themselves via a connecting profile 29, in which the connecting elements 20 extend, and thus forms the handle bar 25 on one side and a part or, in this case, a corner of the frame profile 3 on the other side.

[0021] As particularly in Fig. 2 but also in Fig. 1 As can be seen, the gear 15 is arranged offset from the locking elements 6 both in the viewing direction S and in the displacement direction V. This allows, particularly in the case of the locking devices on the holding frame side, convenient and free access via the actuating elements 17 and, at the same time, a predominantly arranged and thus protected accommodation of the locking counterparts 7 in the holding frame 2, as the dashed line H delimiting the vertical holding frame 2 in Fig. 2 clarified.

[0022] Fig. 4 and Fig. 5 show, in an alternative embodiment, a gear 15 / locking element 6 connection, in which the connecting webs 21 do not extend obliquely to the viewing direction S and sliding direction V, but in the viewing direction S. Such an alternative embodiment enables a narrow viewing profile, in particular where two sliding leaves 1 abut each other. Corresponding parts in this embodiment are therefore given the same reference numerals as in the embodiment of the Fig. 1 bis 3 , whereby the components with the connecting web 21 are also referred to as adapters in this alternative.

[0023] The sliding sash system according to the invention enables a versatile, visually appealing and technically secure construction and, in particular - if desired - narrow view widths without compromising the quality of the locking mechanism.

Claims

1. Sliding sash system, in particular sliding window system, with at least one sliding sash (1) arranged in a holding frame (2), wherein the sliding sash (1) is displaceable between an open position and a closed position of the sliding sash system relative to the holding frame (2) in a horizontal sliding direction (V) and wherein the sliding sash (1) has a casement with frame profiles (3) arranged vertically on both sides, and with a locking device, wherein the locking device has locking elements (6) arranged in the frame profile (3) and locking counterparts (7) arranged in or formed by a horizontally arranged holding profile (8) of the holding frame (2), wherein the locking elements (6) for locking the sliding sash (1) in the closed position are displaceable in opposite directions in the vertical direction (R) by means of an actuating element (17) via a gear (15) in such a way that they cooperate with the locking counterparts (7) to block a displacement of the sliding sash (1), characterized in that the gear (15) is arranged outside the frame profile (3).

2. Sliding sash system according to claim 1, characterized in that the locking elements (6) are each rigidly connected to the gear (15) by means of a connecting element (20).

3. Sliding sash system according to one of the preceding claims, characterized in that the gear (15) is arranged in a handle strip (25) connected to the frame profile (3) on the fitting side, in particular on the inside, in the viewing direction (S).

4. Sliding sash system according to claims 2 and 3, characterized in that the connecting elements (20), in particular designed as connecting bars (21), run along or in a connecting profile connecting the frame profile (3) and the handle bar (25).

5. Sliding sash system according to one of the preceding claims, characterized in that the gear (15) and the locking elements (6) are accommodated in a common housing (27), which, with a partial area, forms part of the frame profile (3).

6. Sliding sash system according to one of the preceding claims, characterized in that the gear (15) is arranged offset to the locking elements (6) in the viewing direction (S).

7. Sliding sash system according to one of the preceding claims, characterized in that the gear (15) is arranged offset to the locking elements (6) in the sliding direction (V).

8. Sliding sash system according to one of the preceding claims, characterized in that the locking counterparts (7) are arranged with their side facing the locking elements (6) flush with or recessed from the side of the horizontal holding profile (8) facing the sliding sash (1).

9. Sliding sash system according to one of the preceding claims, characterized in that the locking counterparts (7) are designed to be adjustable in their position in the sliding direction (V).

10. Sliding sash system according to one of the preceding claims, characterized by an arrangement in which the locking counterparts (7) and in particular also the locking elements (6) are at least substantially covered by the holding profile (8) in the viewing direction (S) in a closed position of the sliding sash (1).

11. Sliding sash system according to one of the preceding claims, characterized in that the frame profile (3) includes guide elements, in particular designed with sliding surfaces, for guiding the locking elements (6).

Citation Information

Patent Citations

  • Double-locking assembly for sliding glass closures

    US4142747A