6.3 Suspended Ceiling Design Process - Bilkent University

surfaces. One rail is installed on each side of the hoistway to guide the
car, which has upper and lower guide wheels attached to its supporting
frame.
The elevator pit is the portion of a hoistway extending from the
threshold level of the lowest landing floor to the floor at the bottom of
the hoistway. The pit usually houses buffers and other safety devices. A
buffer is a device designed to stop a descending car beyond its normal
limit of travel by absorbing and dissipating its kinetic energy.
An elevator car consists of a platform and light metal walls and roof, in
which passenger and goods are transported. The platform and
enclosure are supported on a structural steel frame. A safety gear
which is fixed to the structural frame is often provided if the car is for
passenger use.
The car doors may be swinging or sliding, and manually or power
operated. They are equipped with safety devices to prevent them from
opening while the car is in motion or outside the landing zone. An
operating station that includes push buttons, lift position and direction
indicators is normally provided within an elevator car. Handrails and
mirrors can also be used. Various types of finishes can be applied to
the interior of the car according to the style and use of the building. In
addition, the interior of the car should be adequately illuminated and an
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