|
(11) | EP 2 620 571 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||
(54) | Magnetic blocade for window or wing |
(57) The subject of the invention is magnetic blockade for plastic window sash which has
permanent magnets (11) placed in rotating arms (5) and (6). The permanent magnets
are moving over plates (12), (13) and (16). which are placed on both sides of those
permanent magnets. In addition it has slider (19) and steel strip (17). The slider
(19) can rotate over pin (9). The slider (19) with magnets (20) is surrounded by plastic
cover (18). The steel strip (17) is attached to the grove of plastic window or plastic
balcony door using screws(21).
|