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− | '''Deadman control''' or '''Deadman Switches''' are spring mounted handles that reset to the STOP position when released, therefore stopping the elevator car. |
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+ | '''Deadman control''' or '''Deadman Switches''' can either be buttons (also known as Constant pressure control) or a car switch (spring loaded crank). |
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==How it works== |
==How it works== |
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+ | For deadmans control with buttons, the buttons has to be held at all time, if the button is not being pressed the elevator will stop, the call buttons work the same way. For the crank elevators the crank has to be turned to a direction to go up or down , if the crank gets let go the crank will return to the default position and the elevator will stop, when the call buttons are pressed it does not really call the elevator,what is does is make a light (or something else) on a panel inside the elevator letting the elevator operator to go to the floor where the elevator has been called. |
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− | Operating the Deadman Switch is easy, you will have to pull on the crank towards you, then turn left for up or right for down. The elevator car keeps moving when you hold the crank in place. When you release the crank, it pops back into the stop position and the car stops. |
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==Gallery== |
==Gallery== |
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− | <gallery> |
+ | <gallery orientation="landscape"> |
Chwd.jpg|Wiring diagram for a "Deadman" operated elevator. |
Chwd.jpg|Wiring diagram for a "Deadman" operated elevator. |
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+ | 6809414792_96939d38db_z.jpg|An Otis deadman switch in Starks Building, Kentucky, Louisville, United States. |
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+ | Old_Otis_Manually_controlled_Traction_elevator_Robert_E_Lee_Building_Lexington_VA.jpg|Otis deadman control in Robert E Lee Building, Lexington, VA. |
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+ | cs18.jpg |
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+ | 291852870.jpg |
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+ | Antique OTIS Manual Control Lever.jpg|A disabled Otis deadman controller in The Strands Arcade, Sydney, Australia. |
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+ | Disabled Johns & Waygood Manual Control Handle.jpg|Disabled Johns & Waygood deadman controller in David Jones Store, Melbourne, AU. The current elevator is ThyssenKrupp. |
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+ | 50.jpg |
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+ | 5010333971_1824a59b0e_z.jpg |
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+ | cs31.jpg |
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+ | OtisControl.jpg|Vintage Otis car switch (Credit to Wikipedia user Drgitlow) |
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+ | elevator-1.jpg|Otis deadman control in Smith Tower, Seattle, United States. |
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+ | Deadman.jpg|Old deadman control manufactured by [http://www.cjanderson.com/classiccarstation-ropepattern-mediumantique.aspx CJ Anderson]. |
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+ | peec-before-103.jpg|An old deadman control manufactured by Peeco. |
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+ | Button manual.jpg|Schindler deadman controller (before 1950s). |
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</gallery> |
</gallery> |
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+ | {{Template:Elevator}} |
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− | ==Maufacturers== |
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− | These companies used to Make "deadman" switch controlled lifts |
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− | *[[Otis]] (freight) |
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Latest revision as of 04:10, 20 February 2018
Deadman control or Deadman Switches can either be buttons (also known as Constant pressure control) or a car switch (spring loaded crank).
How it works
For deadmans control with buttons, the buttons has to be held at all time, if the button is not being pressed the elevator will stop, the call buttons work the same way. For the crank elevators the crank has to be turned to a direction to go up or down , if the crank gets let go the crank will return to the default position and the elevator will stop, when the call buttons are pressed it does not really call the elevator,what is does is make a light (or something else) on a panel inside the elevator letting the elevator operator to go to the floor where the elevator has been called.