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AssigneeWincor Nixdorf International GmbH
InventorsMathias Kulik, Peter Golueke, Alexander Nentwig, Michael Nolte
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The invention relates to a device (2) for detecting manipulation on an object comprising an actuating switch (22) which has a snap-action disk (220) which can be switched between a first position and a second position, and an actuating element (21) which has a body (210) and an actuating stud (211), projecting from the body of the actuating element (21), for acting on the snap-action disk (220), wherein the actuating stud (211) has a first stiffness. According to the invention a contact element (213), arranged on the actuating stud (211), acts on the snap-action disk (220), wherein the contact element (213) has a second stiffness which is greater than the first stiffness.
A device (2) for detecting manipulation of an object, having
The device (2) as claimed in one of the preceding claims, characterized in that the bearing element (213) is arranged in a receptacle opening (212) which is formed on the actuating stud (211).
The device (2) as claimed in one of the preceding claims, characterized in that the bearing element (213) is fabricated from metal.
The device (2) as claimed in one of the preceding claims, characterized in that the snap-action disk (220) has a stable state which corresponds to the first position and a meta-stable state which corresponds to the second position.
The device (2) as claimed in one of the preceding claims, characterized in that in a normal position of use of the device the bearing element (213) acts on the snap-action disk (220) and holds the snap-action disk (220) in the second position.
The device (2) as claimed in one of the preceding claims, characterized in that manipulation can be detected on the basis of the snapping of the snap-action disk (220) into the first position.
The device (2) as claimed in one of the preceding claims, characterized by an evaluation device (23) which is designed to generate an electrical signal on the basis of the position of the snap-action disk (220) and/or of a switching process of the snap-action disk (220) between the first position and the second position.
An arrangement (4) having a housing (1) and a device (2) for performing manipulation as claimed in one of the preceding claims, characterized in that the actuating element (21) of the device (2) is arranged on a first housing part (10) of the housing (1), and the actuating switch (22) is arranged on a second housing part (11) of the housing (1).
Dependencies are inferred from the claim text.