Operating handle and burglar protection device

Abstract

The invention is based on an operating handle (1) equipped with an electromechanical locking and unlocking mechanism (8), wherein a separation (21, 22) in the form of two superimposed parts (19, 20) is provided between the handle (2) and the driver (6), which is overcome in the locked state of the handle (1) in the event of excessive force being applied, so that the window mechanism remains locked and an alarm is triggered.

Description

[0001] The invention relates to an operating handle for operating a sash of a window or door. Furthermore, the invention relates to a device for burglar protection on a property that has at least one window and / or door with such an operating handle. Embodiments of the invention relate in particular to window handles with which window sashes can be operated to open, tilt, close, and lock. For the technological background, reference is made to the following literature: PCT / EP 2020 / 085378

[0002] Most burglaries occur through the French door, sliding door, or through the window, and in this case, via the locking mechanism. These attacks include over-levering the lock, attacks on the window handle directly, attacks on the gearing, or by prying the lock out of the strike plates. Often, the glass is smashed at the level of the window handle, a hand is reached through, and the window handle is turned into the open position. If the window handle is locked, it can be pried out of its locking position and opened using a lever tool. Similarly, some burglars drill a hole through the window sash at the level of the window handle and use a specially curved pry bar to pry the locked window handle into the open position.

[0003] The object of the invention is to provide an operating handle which, on the one hand, is more convenient for users to operate than before, but still offers greater security against burglars.

[0004] As PCT / EP 2020 / 085378 discloses, an actuating handle with an electronically monitored predetermined breaking point, an identification device, and a switching bridge is known. If such an actuating handle is forcibly attacked, the predetermined breaking point breaks, triggering an alarm. After that, the actuating handle no longer engages a locking mechanism or the like.

[0005] In contrast to PCT / EP 2020 / 085378, which uses a fixed and irreparable breaking point that is no longer functional once broken, the present invention proposes a recoverable "breaking point," similar to a relockable slip clutch. After a force exceeding the force of the recoverable "breaking point," the handle can be turned without interfering with the gear mechanism until the "breaking point" according to the invention is relocked. As with PCT / EP 2020 / 085378, this triggers an alarm.

[0006] To prevent so-called "false alarms" from being triggered by the operating handles according to the invention, a change in the substance is required for advanced burglary protection. Example: A burglar wants to break in without intervention. To do so, he deliberately triggers an alarm and moves to a safe distance. Without a change in the substance (detectable damage), the intervention detects nothing and assumes a false alarm. The burglar repeats this process until the system is disarmed. He can now break in without an alarm. This is not possible with the technology according to the invention due to the change in the substance. To access the handle according to the invention, which is located inside a building, the attacker must either damage the window glass and / or forcibly remove the handle from its fixation using the window drilling method and a lever.In both types of attack, the change in substance clearly indicates to the alarmed intervention that an unlawful attack has occurred, so that false alarms can be ruled out.

[0007] The invention is therefore based on the object of creating a handle for operating windows and doors that automatically relocks after an unlawful attack and after an alarm is triggered. This has been achieved with the invention described below. The operating handle according to claim 1 comprises a device for monitoring and securing a property against burglary using one or more such operating handles.

[0008] For further information, please refer to PCT / EP 2020 / 085378.

[0009] Fig. 1 shows a sectional view of the handle 1. Shown is the operating handle 1, consisting of the window handle 2, with the connection between the handle and the gear of the window 3 and the dividing line 4 in between, a type of “slip clutch” 19, 20, 21 and 22.

[0010] Between the gear (not shown) and the "slip clutch" is the driver 6, which is either blocked or released by a motor 10 and a threaded rod 9 in direction 18. The locking mechanism is controlled by an evaluation unit 11. In the living area, unlocking is enabled via a code. A magnet 13 is permanently connected to the "slip clutch" and a reed switch 14 is permanently attached opposite it. If the "slip clutch" is forcibly overcome, the magnet 13 moves away from the reed switch, triggering an alarm.

[0011] The operating handle 1 is screwed into the window's gear mechanism (also not shown) using screws (not shown) and the recesses 17.

[0012] A diode 16 shows the operator whether the operating handle is locked or unlocked.

[0013] Fig. Figure 2 shows a cross-sectional view and a top view of the "slip clutch" 19, 20, 21, and 22. Without the application of force, the spring 22 remains in the groove 21 and thus transfers the force exerted by the window handle 2 when opening or closing the window to its gear. If a force exceeding this force is applied to the window handle in the motor-locked state, the groove 21 slips out of the spring 22, the magnet 13 moves away from the reed switch 14, and an alarm is triggered.

[0014] As described in PCT / EP 2020 / 085378, the operating handle contains a switching bridge (not shown here). During an authorized opening process, reed switch 14 is bridged, preventing an alarm from being triggered. Reference symbol: 1 operating handle 2 handle 3 Connection from the operating handle to the window gear 4 Recoverable “break point” 5 housings 6 drivers 7 Guide groove 8 Motorized locking and unlocking 9 threaded rod 10 Engine 11 Evaluation unit 12 Coding 13 Magnet 14 reed switches 15 Upper stop 16 diodes 17 Device for screwing into the window gear 18 Movement of the motorized locking mechanism 19 Disc with the groove 20 disc with the spring 21 grooves 22 spring QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] EP 2020 / 085378 [0001, 0004, 0005, 0008, 0014]

Claims

[1] An operating handle (1) for operating a sash of a window or door from the inside of the object, comprising a housing (5) for fastening the operating handle (1) to the sash, a handle (2) rotatably mounted on the housing (5) for gripping by a user, a driver (6) rotatably mounted in the housing (5) between a closed position and an open position for transmitting the rotary movement of the handle to a locking mechanism of the sash, and a mechanical lock (8) by means of which the handle (2) can be locked in the closed position against rotation relative to the housing (5), characterized bythat a separation (21, 22) in the form of two superimposed, defined fixed parts (19, 20) is provided between the handle (2) and the driver (6), wherein the fixation in the locked state of the handle (1) is overcome by excessive force, that the gear of the window remains locked via the lock (8), that an alarm is triggered and that after further turning of the handle the fixation starts again. [2] Actuating handle (1) according to claim 1 characterized by that the locking mechanism (8) is electromechanical. [3] Actuating handle (1) according to one of the preceding claims, characterized by that the locking mechanism (8) engages or releases a bolt (8) which can be actuated by an actuator for positive engagement in a driver (6) connected to the handle (2). [4] Actuating handle (1) according to one of the preceding claims, characterized bythat the locking device (8) is designed to be controlled by a monitoring center and / or by an alarm system and / or by means of a time recording system. [5] Actuating handle (1) according to one of the preceding claims, characterized by that a condition monitoring device is provided for monitoring the condition of the locking device (8) and for supplying the information about the condition to a monitoring unit. [6] Actuating handle (1) according to one of the preceding claims, characterized by that the condition monitoring device has a second switching unit or a second sensor for detecting the position of the lock (8) or the position of the handle (2). [7] Device according to one of the preceding claims, characterized bythat an electronic monitoring unit is armed or disarmed via the automatic or signal-controlled locking mechanism (8), or that each individual actuating handle (1) located in the object independently carries out an armed or disarmed switching by means of the automatic or signal-controlled locking mechanism (8), directly or via an external connection.

Images