Safety device for a closure including a plurality of contact elements
OwnerAndre Haake, Oliver Haake +1inventors
InventorsAndre Haake, Oliver Haake, Patrick Haake
Life of this patent
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Abstract
A closing edge safety device that consists of a safety strip (1) that has an electric switching device which is made up of a plurality of contact elements (2) that are arranged next to each other in a flexible tube (3). The contact elements (2) can be magnetized, an expander chord (5) can pass through them or they can lie on top of each other as a result of their weight, whereby they are urged to abut one another. When contact between one or more of the contact elements is broken, a signal is generated.
Claims11
A closing edge safety device comprising a safety strip (1) which has an electrical switching device having a multiplicity of contact elements (2), arranged in series in a tube of said safety device, the contact elements (2) abutting one another in a position of rest at contact zones provided on the contact elements and moving apart under an effect of an external force causing with local deformation of the tube (3) and contact between the contact elements to be interrupted, characterized in that, the contact elements (2b) are part-spherical and the contact zones (6, 7) are flattened side wall surfaces (12, 14) of the contact elements.
A closing edge safety device comprising a safety strip (1) which has an electrical switching device having a multiplicity of contact elements (2), arranged in series in a tube (3) of said safety device, the contact elements (2) abutting one another in a position of rest at contact zones provided on end faces of the contact elements and moving apart under an effect of an external force, causing local deformation of the tube (3) and contact between the contact elements to be interrupted, characterized in that the contact elements (2, 2b, 2c) are magnetized which urges the contact elements to abut one another.
Dependencies are inferred from the claim text.