Power conserving door holder

Details Power conserving door holder Power conserving door holder

E - Fixed Constructions

05

C

E05C 17/08 (2006.01) E05C 17/28 (2006.01) E05B 43/00 (2006.01) E05B 47/00 (2006.01) E05F 3/22 (2006.01)

Patent

CA 2091180

A door hold-open device which unlatches a held door based upon the occurrence of an unlatch condition includes a door latching mechanism (30) and a signal processing circuit that provides power to the latching mechanism The device conserves energy providing by withholding power from the signal processing circuit until an unlatch condition occurs. The device further prevents a door from being latched in an open position if (a) the power to the system falls below a predetermined threshold, or (b) a battery access member (21) is moved to permit disconnection of a battery (100).

Un dispositif de maintien de porte ouverte débloquant une porte maintenue lorsque survient un état de déblocage comprend un mécanisme de blocage de porte (30) ainsi qu'un circuit de traitement de signaux fournissant de la puissance au mécanisme de blocage. Le dispositif conserve l'énergie en retenant la puissance du circuit de traitement de signaux jusqu'à ce qu'un état de déblocage survienne. Le dispositif empêche également le blocage d'une porte en position ouverte si (a) la puissance fournit au système tombe au-dessous d'un seuil prédéterminé, ou (b) un élément d'accès à la batterie (21) est déplacé afin de permettre la déconnexion de cette dernière (100).

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