Slightly off-topic: US Elevators amd interlocks?

[T.S.]

Hi,
I have an off-topic question: do landing doors in US elevators have
interlocks?

According to the European lift standard EN 81 all landing doors have to be
equipped with interlocks so that the doors could not be easily open when for
example there is no car behind them. You need a special tool to open them in
emergency. An interlock also has a contact to be put in a safety circuit.

Somehow, on american movies the doors can be so easily open. That makes me
curious if the rules are so different.

Regards,

 

[St Dom]

Hi,
I have an off-topic question: do landing doors in US elevators have
interlocks?

According to the European lift standard EN 81 all landing doors have to be
equipped with interlocks so that the doors could not be easily open when
for
example there is no car behind them. You need a special tool to open them
in
emergency. An interlock also has a contact to be put in a safety circuit.

Somehow, on american movies the doors can be so easily open. That makes me
curious if the rules are so different.

Since when are movies true to life?

How many cheesy action movies do you see a cable flapping around sparking?
It would appear that they do not have circuit breakers or fuses in the
movies neither!

 

[Andrew Gabriel]

| I have an off-topic question: do landing doors in US elevators have
| interlocks?
|
| According to the European lift standard EN 81 all landing doors have to be
| equipped with interlocks so that the doors could not be easily open when for
| example there is no car behind them. You need a special tool to open them in
| emergency. An interlock also has a contact to be put in a safety circuit.

I don't know about the rules, but every elevator I've been in has them.

The inside car gate, however, did not have any interlock on all the
elevators I saw when I was in college. It was a common school prank
to open them while the elevator was moving. And of course when that
happens the elevator stops at the next landing. But the interlock

Same here in the UK, except forcing the internal doors normally
results in instant halt of the car, whereever it is, and without
any of the normal gradual breaking. Pushing the door closed again
used to result in resumption of service after a delay in the ones
I was familiar with.

 

[daestrom]

I like all the cars that explode into flame when they go over a cliff!

*BEFORE* they reach the bottom of the ravine!!! Yeah, that's one of my
favorites too.

daestrom

 

[T.S.]

Thank you all for the answers.

That's what I thought: it's just another hollywood bull****.
They don't seem to care about details, if details do not match their vision
;-)

The only exception (as far as I remember) was "Speed" with Keanu Reeves -
film makers noticed, that a lift has safety gears ;-)

Regards,

 

[Ted Rubbeford]

Hi,
I have an off-topic question: do landing doors in US elevators have
interlocks?

According to the European lift standard EN 81 all landing doors have to be
equipped with interlocks so that the doors could not be easily open when
for
example there is no car behind them. You need a special tool to open them
in
emergency. An interlock also has a contact to be put in a safety circuit.

Somehow, on american movies the doors can be so easily open. That makes me
curious if the rules are so different.

Regards,
--
Tom

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