5
ELEVATOR TERMINOLOGY
TERMINOLOGY DESCRIPTION
Cab This is the compartment of the elevator in which people ride.
Also, called the car.
Cable Hydraulic This is the type of drive system used on the Horizon. It
involves a hydraulic jack, wire cable and pulley system to raise
and lower the cab compartment.
Car See cab.
Cab Gate/Door This is a door or gate connected to the cab. Interior gate.
Control System This is the entire electrical control system, usually identified as
the “motor control system” (mounted at the pump unit) and the
“signal control system” (mounted on the cab).
Cylinder This is the outside tubular casing of the jack.
D.B.G. This is the Distance Between Guides (Rails) or the critical
measurement between the face of the left rail and the face of
the right rail.
Electro-Mechanical Interlock This is the electrically and mechanically controlled door or gate
lock that prevents the door/gate from opening when the
elevator is not present at the landing and prevents the elevator
from running, unless all doors/gates are closed and locked.
Guide Yoke/Sheave This is a cable guide arrangement consisting of a sheave,
guide shoes, roller bearings and adjustable cable guards. The
sheave is furnished with rounded grooves to fit the cables and
is mechanically attached to the end of the hydraulic plunger to
provide the 1:2 mechanical advantage.
Hoistway/Runway This is the elevator shaft totally enclosing the elevator.
Hoistway Door This is a door connected to the hoistway at a landing.
Jack Unit This is the hydraulic piston/plunger and cylinder used to drive
the elevator cab up and down.
L.E.D. This is a Light Emitting Diode.
Landing This is any floor level or access level where passengers will
enter and/or exit the elevator cab.
Lift This is another word for elevator.
Load (Rated) This is the maximum amount of allowable weight that the
elevator is rated to carry (in persons or lbs. or kgs.).
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