B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 13/26 (2006.01)
Patent
CA 2741033
There is provided an elevator safety device that can prevent a light beam from being looked into. The elevator safety device according to the present invention includes light emitting means for emitting a light beam crossing an entrance; light receiving means for detecting the light beam emitted from the light emitting means; foreign matter detection means for generating a foreign matter detection signal when detection of the light beam by the light receiving means is interrupted; and control means. The control means causes the light emitting means to stop an emission in a fully opened state of car doors, and causes the light emitting means to start the emission at a start of or during a closing operation of the car doors.
Linvention concerne un dispositif de sécurité dascenseur permettant dempêcher quun faisceau lumineux ne pénètre dans les yeux des passagers. Le dispositif de sécurité dascenseur comprend un moyen de projection de lumière qui projette un faisceau lumineux traversant lembrasure de porte; un moyen de réception de lumière qui détecte le faisceau lumineux projeté par le moyen de projection de lumière; un moyen de détection de corps étranger qui génère un signal de détection de corps étranger lorsque la détection du faisceau lumineux par le moyen de réception de lumière est interrompue; ainsi quun moyen de commande. Le moyen de commande provoque larrêt de lopération de projection du moyen de projection de lumière, lorsque les deux portes de la cabine sont complètement ouvertes, et provoque le démarrage de lopération de projection du moyen de projection de lumière lorsque les deux portes de la cabine commencent à se fermer ou pendant la fermeture des deux portes de la cabine.
Fujii Takuya
Hirohata Keishiro
Kashiwakura Hiroshi
Fujitec Co. Ltd.
Riches Mckenzie & Herbert Llp
LandOfFree
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