| 摘要 |
The subject of the invention relates to the technical field of closure means. The lock according to the invention comprises a toothed member 5 housed inside a U-shaped element 6 acting as a spring, the said member 5 having peripheral arrangements shaped for interacting, in the slide bolt 2 opening and closing positions, with the vertical arms of the said element 6 in order angularly to lock the said member 5 in position and move it, in a circular manner, only when the handle 3 is made to pivot. <IMAGE>
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