Tilt detector for roll-up door

Details Tilt detector for roll-up door Tilt detector for roll-up door

E - Fixed Constructions

06

B

E06B 7/00 (2006.01) G08B 13/08 (2006.01)

Patent

CA 2173022

The device is based on a tilt-sensing switch of the mercury-bridges-gap type. The device measures the tilt angle of the bottom slat of a roll-down door. If the slat becomes tilted, due for example to one end of the slat becoming snagged in the guideway at the side of the door, the sensor detects the tilt, and arrests the downwards movement of the door, before the slats can spill out and escape from the guideway.

Dispositif utilisant un commutateur sensible à l'inclinaison, du type à colonne de mercure. Le dispositif mesure l'angle d'inclinaison de la lame inférieure d'une porte à dérouleur. Si la lame s'incline, par exemple si une de ses extrémités reste prise dans le guide sur le côté de la porte, le capteur détecte l'inclinaison et arrête la descente de la porte avant que les lames ne sortent du guide.

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