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Elevator door interlock mechanism.
A residential electro mechanical door interlock is mounted on the frame of the hoistway door and ensures the door to the elevator is safely closed before the elevator can be operated.
Type n interlock drill templates.
Swing and slide door installations typical mounting arrangements pdf 257 72 kb download.
The notice from the new york city buildings department states in part.
The interlock holds the door in place and prevents it from being opened in potentially unsafe conditions e g.
Modern elevator mechanism have a sliding door on the elevator car and a separate sliding door on the hatch at each floor landing and the hatch door is provided with an interlock.
They also ensure that the inner and outer doors are closed before the elevator is allowed to move.
As per asme a17 3 of 2002 as modified by chapter k3 of appendix k section 3 10 12 of the new york city building code all automatic passenger and freight elevators must provide a system to monitor and prevent automatic operation with faulty door contact.
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Hoistway door interlock the hoistway door interlock mechanically locks the door to prevent it from being opened unless the car is present and completes an electrical circuit to allow the elevator to move.
The hoistway door shut and actuate the door interlock mechanism.
Swing doors flush mounted door jamb drilling and reinforcements pdf 192 62 kb download.
Its locking mechanism is pre engineered to lock and unlock without further adjustments eliminating costly entrapment calls and failed elevator inspections.
Combination electrical mechanical contact switch for vertical rise single slide doors vertical bi parting doors horizontal single slide door single swing door hg 1 hg 2 cv 1 cv 2 l 1 lr hr 1 sr right hand left hand interlocks amp.
The elevator lift car is not present at the door.
An interlock is primarily intended for swing door applications.
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It s designed to work for life.
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Car door interlock switch is open disconnecting driving means.
Door interlocks is an elevator device that prevents the door from being opened unless the car is present and completes an electrical circuit.
Featuring honeywell micro switch switches as an internal solenoid control mechanism the relialign series of door interlocks may reduce complexity of the host controller reduce.
Combination electrical mechanical contact switch for vertical bi parting doors interlocks for horizontal.
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The interlock also prevents the door from being opened when it is not safe to do so.
Door interlocks are comes in mechanical and electrical but most elevators nowadays are using mixed door interlocks both mechanical and electrical would.
137 52 this invention relates to an improved mechanism for operating an elevator hatch door and interlock.
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