Safety locks

Details Safety locks Safety locks

E - Fixed Constructions

05

B

70/3

E05B 47/00 (2006.01) E05B 49/00 (2006.01)

Patent

CA 1230234

PATENT APPLICATION entitled IMPROVEMENTS IN OR TO SAFETY LOCKS in the names of Jacques LEWINER Claude HENNION ABSTRACT OF THE DISCLOSURE The opening order of this safety lock causes the following operations to occur successively : application, to the key, of a coded sequence of angular sollicitations in both directions, then the free rotation of this key in a given direction. The decoding is ensured electrically by comparing, with a previously memorised reference sequence, the train of electrical pulses generated by two electro- mechanical transducers actuated, according to the sequence applied to the key, by a cam itself driven by this key.

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