جهاز تقييد الباب
(Door Restrictive Device)
Safety device preventing hoistway door opening unless the car is within the floor unlocking zone.
A door restrictive device prevents opening of hoistway doors from the landing side except when the car is within the unlocking zone. These critical safety components prevent accidental entry into an empty hoistway and must be tested at code-specified intervals.
التخصصات
safety
الكلمات الدالة
#door
#restrictive
#device
المصادر
Industry standards
مصطلحات ذات صلة
قفل باب مجرى المصعد
Electromechanical device preventing operation unless all hoistway doors are closed and locked.
شهادة التفتيش
Legal document confirming elevator code compliance, displayed in the car or machine room.
فجوة العتبة
Horizontal clearance between car sill and landing sill, minimized for safety.