| 摘要 |
Element ( 1 ) for opening and/or closing doors, gates or windows, comprising a first part ( 2 ) designed to operate a closing mechanism by rotation, a second rotary part ( 3 ) designed to transfer a rotary motion to the first part ( 2 ), the rotary knob ( 1 ) being provided with one or several push buttons ( 4 ), so that when at least one push button ( 4 ) is pushed, the rotary motion of the second part ( 3 ) is transferred to the first part ( 2 ). With this element ( 1 ), two operations have to be performed, namely pushing a push button and performing a rotary motion of the element ( 1 ) in order to open a door and suchlike, because of which it will become practically impossible for children to open a door by accident. |
