bridgetoreach
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Information about escalatorTRANSCRIPT
bridgetoreach
Do you know what am i?
I’m a machine!
I am a
mechanizedmoving stairway!
A moving stairway?
Yeah! I am an escalator!
Who invented me?....
Charles D.
Seeberger!!!
the name 'escalator' from the
word 'scala'
which is Latin for steps and the
word 'elevator', which had already been invented.
It can be found in common in places with a
lot of foot traffic or…
where a conventional staircase would be
very long and tiring to climb.
often installed in
pairs, with
an up escalator and a
down escalator
adjacent to each other
a single escalator may be changed to
go up
down according to the
direction of heavier traffic at different times of the day.
What’s
inside the escalator?
top and
bottom landing platforms
truss carries all the
straight track sections connecting the upper and lower sections.
track system is built into the truss to guide the
step chain
The steps are linked by a
continuous metal chain so they
form a closed loop with each step able to bend in relation to its neighbors
railing provides a convenient
handhold for passengers while they are riding the escalator
Did you know how to use escalator?
To move from one end of an escalator to the other, a person may simply
stand on one step until one reaches the end, or one may climb or descend the escalator like conventional stairs
The great
majority of escalators in the world are
straight
there are some
spiral models too.
Escalator generally used for their
aesthetic appeal
and
saving space
In United States...
There are an estimated
35,000 escalators.
Over 245 million riders take an escalator daily
About 210 billion riders travel on elevators or escalators each year in the
North America.
The
longest outdoor escalator covers over
800 meters in distance and
elevates over
135 meters from bottom to top located at Hong Kong
Shortest escalator vertical rise is
only 32.8 inches (83 cm) at Okadaya Mores shopping mall
earliest uses of escalators was used in the building of the Egyptian Great Pyramid at Giza
over 2 million stone cubes were laid on the
tree trunks and slowly
rolled upwards on the artificial earth bridges that surrounded the build site
That
continuous use of
rolling wheels beneath the
transported weight
became
one of the basic principles behind the today’s escalators.
It’s not moving?
Are u going up or
down?
escalators also have
moving handrails which approximately
keep pace with the movement of the steps.
staircase whose steps move up
or down on tracks which keep them
horizontal.
Escalators in the London
Underground used to have
wooden steps
Escalators now have
metal steps in a
continuous loop that move on tracks.
have
glass sides which allow their workings to be
viewed
Do you
realized?
Escalator have the capacity to
move large numbers of people
can be placed in the
same physical
space as
stairs would be.
have no waiting interval, except during very heavy traffic
can be used to guide people towards main exits or special exhibits
they may be
weather-proofed for
outdoor use
So, what does it all means?
bridgetoreach
Credits :• Content based on a encyclopedia• Source of content :http://www.encyclopedia.com/topic/
Escalator.aspxAndhttp://www.google.com.my/imghp?
hl=en&tab=wi
Presentation design by
Muhammad Izzat Khan