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(11) | EP 1 712 722 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Window opening and closing device |
| (57) Window activating device for opening and closing windows made up of a multitude of
revolving modules or panels around a longitudinal and horizontal axis that includes
a means of activation with a handle that has a reducer mechanism, a means of synchronisation
and a means of transferring the movement from the handle to both modules or panels
that are arranged on at least one side of the window to carry out the synchronised
revolving of all of the modules or panels.
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