Anti-theft device for spectacle frames

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 73/00 (2006.01)

Patent

CA 2313410

Anti-theft device for spectacle frames comprising a housing (10) forming an opening (18) to receive therein one bow (34) of the spectacle frame. By clamping means (26) in the housing this can be fastened to the bow. The clamping means has a rotatable operating member, which is accessible in a socket (14) provided on the housing, and can be actuated only by using a special tool. The housing is dimensioned to allow, when fastened to the bow, that the spectacle frame is tried on and that the bow is folded. It is divided into two parts in a plane through the socket. A washer (23) provided with an alarm element for affecting a magnetic, acoustic or electro-magnetic field, is pushed onto the socket receiving said socket in an opening in the washer for keeping the two parts of the housing together, and is locked against withdrawal from the socket.

Cet antivol pour monture de lunettes comprend un carter (10) présentant une ouverture (18) permettant d'accueillir une branche (34) de lunettes. Un organe de serrage (26) situé dans le carter permet d'assujettir l'antivol à la branche. L'organe de serrage comporte un élément de mise en oeuvre rotatif accessible dans une douille (14) équipant le carter. Cet élément ne peut être actionné qu'en utilisant un outil spécial. Les dimensions du carter sont prévues pour que, lorsque l'antivol est assujetti à la branche, il soit possible d'essayer la monture et de plier la branche. L'antivol est constitué de deux pièces réunies selon un plan traversant la douille. Une rondelle (23) pourvue d'un élément d'alarme générant un champ magnétique, acoustique ou électromagnétique est forcée sur la douille de façon que la douille arrive dans un orifice de la rondelle afin de maintenir solidaires les deux pièces du carter et de verrouiller la douille contre tout retrait de la rondelle.

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