Elevators & Escalators
Quality in Motion
History of the Escalator Mitsubishi Monumental Escalators Escalator Structure and Equipment Glossary
Escalators & Moving Walks
Glossary
Terms and definitions related to Mitsubishi Electric escalators and moving walks.
Note: The word “step” refers to escalators, and “pallet” to moving walks.
A B C D E F G H I L M N O R S T W
A
Terms
Explanation
Anti-Slip Floor Plate A Floor Plate with grooves to prevent slipping.
Anti-Slip Pallet A moving walk Pallet with grooves and notches to prevent slipping.
Automatic Operation Use of photoelectric posts installed on both sides of the boarding area to start the escalator (moving walk) automatically when a passenger passes between the posts.
top
B
Terms
Explanation
Balustrade The side of an escalator (moving walk) extending above the Steps (Pallets), which includes Skirt Guard, Interior Panel, Deck Board and Moving Handrails.
Barricade A barrier installed on the building's railing or other artifice immediately adjacent to the escalator (moving walk), to protect passersby and prevent objects from falling into the opening on the floors.
top
C
Terms
Explanation
Comb A section or steel plate with teeth that mesh with the step (pallet) cleats at the boarding and landing areas, to prevent fingers, feet or foreign objects from getting caught between the moving Steps and Floor Plate.
Comb Light Lighting provided at Comb level at the terminal ends of an escalator (moving walk) for increased illumination.
Comb-Step (Pallet) Safety Switch A safety device that operates to stop the escalator (moving walk) if anything has been caught between the Comb and Step (Pallet).
Curved Rail Safety Device (escalators only) A safety device to stop the escalator when a Step has been dislocated on its riser side due to an object caught between the Skirt Guard and the Step, or between the Steps, or if an abnormality has been observed in the Step motion.
top
D
Terms
Explanation
Deck Board A decorative capping member of the Balustrade of an escalator (moving walk), which continues in the direction of travel.
Drive Chain A chain that transmits the Drive Unit's power to the drive wheel (Sprocket).
Drive Chain Safety Device A safety device that operates to stop the escalator (moving walk) if the Drive Chain breaks or stretches beyond an allowable limit.
Drive Unit/Drive Machine A unit to drive the escalator (moving walk), comprised of electric motor, decelerator, electromagnetic brake, V belt, Sprocket, and other components.
top
E
Terms
Explanation
Electromagnetic Brake A safety device that operates to stop the escalator (moving walk) in case of power failure or if any safety device has been activated.
Emergency Stop Button A button to immediately stop the escalator (moving walk) in emergency situations.
top
F
Terms
Explanation
Floor Plate A board installed on the floor at the boarding and landing areas. Also referred to as an Anti-Slip Floor Plate, the surface features an anti-slip pattern originally developed by Mitsubishi Electric.
top
G
Terms
Explanation
Guard Rail A guide on which the Moving Handrail runs through its entire travel cycle.
top
H
Terms
Explanation
Handrail Broken Switch A safety device that stops the escalator (moving walk) if the Moving Handrail loosens or dislocates from the guiderail.
Handrail Entry Device A safety device at the inlet of the Moving Handrail, available in Inlet Guard and Inlet Guard Switch types.
Handrail Safety Switch A safety device that stops the escalator (moving walk) when the speed of the Moving Handrail and the Steps (Pallets) fail to synchronize.
top
I
Terms
Explanation
Inlet Guard A guard made of soft rubber, which fits over the outside of the handrail where it enters the Balustrade to keep a person’s fingers or hand, or any foreign object away from the handrail opening.
Inlet Guard Switch A safety device that stops the escalator (moving walk) when physical contact is made with the inlet.
Inner Deck A portion of the Deck Board inside the Interior Panel.
Interior Panel The major panel portion of the Balustrade located immediately below the Moving Handrails, made of glass.
top
J
K
L
Terms
Explanation
Lighting Key Switch A key switch that turns on and off the Under-Handrail Lighting, Step (Pallet) Demarcation Lighting, Comb Light, and others.
Low-Friction-Coefficient Resin on Skirt Guard Friction-reducing resin coating on the Skirt Guard to reduce the chance of passengers stumbling when shoes come into contact with the Skirt Guard.
top
M
Terms
Explanation
Moving Handrail A handhold that moves along the top of the Balustrade in synchronization with the Steps (Pallets).
top
N
Terms
Explanation
Newel Extensions of the Balustrade at each end of the escalator (moving walk) that assist passengers when boarding and landing.
top
O
Terms
Explanation
Operating Panel Switches for operating an escalator (moving walk), located at both boarding and landing areas near the Skirt Guard and Newel and operable from either area.
Outer Deck A portion of the Deck Board outside of the Interior Panel.
Operation Key for Mitsubishi Escalator
(Moving Walk)
A key that controls various switches, provided to the customer after installation of the escalator (moving walk).
Overload Protection A safety device that stops the escalator (moving walk) when it becomes overloaded in times of extraordinary congestion.
top
P
Q
R
Terms
Explanation
Riser
(escalators only)
The upright part of a Step.
top
S
Terms
Explanation
Safety Floor Net A net to seal the opening on the floor immediately adjacent to an escalator (moving walk) and catch any objects that passengers may have accidentally dropped from the escalator (moving walk), to protect anyone below.
Safety Riser Step (escalators only) When adjacent Steps level horizontally near the boarding/landing areas, the Step and Riser fit perfectly to prevent objects from becoming trapped between Steps.
Skirt Guard The lowest panel within the Balustrade, located immediately below the Inner Deck and adjacent to the Steps (Pallets) at a slight gap from the Steps (Pallets).
Skirt Guard Safety Device
(escalators only)
A safety device that stops the escalator if an object becomes trapped between the Skirt Guard and the Step.
Speed Governor A safety device that stops the escalator (moving walk) if the speed decreases to 20% or increases to 120% of the rated speed.
Sprocket Drive wheels installed at top and bottom (each end) to drive the Steps (Pallets). The top Sprocket drives the moving Steps (Pallets), while the bottom sprocket turns the Steps (Pallets).
Step (Pallet) A moving platform on which escalator (moving walk) passengers ride. As anti-slip notches are provided on the surface, it is sometimes referred to as an Anti-Slip Step (Pallet).
Step (Pallet) Chain A chain, located on both sides of an escalator (moving walk), connecting the Steps (Pallets) and driven by the Step (Pallet) Chain Sprocket.
Step Chain (Pallet-Chain) Safety Device A safety device that stops the escalator (moving walk) if the Step Chain (Pallet Chain) breaks or stretches beyond an allowable limit.
Step (Pallet) Demarcation Lighting Lighting provided to illuminate the Step (Pallet) Demarcation Line.
Step (Pallet) Demarcation Line A yellow line along both sides of a Step (Pallet) to demarcate the proper standing area, thereby preventing passengers from coming into contact with the Skirt Guard and stumbling.
Step (Pallet) Level Device A safety device that stops the escalator (moving walk) if an abnormality is detected in the Step (Pallet) motion.
Stop-Buzzer Key Switch A key switch on the Skirt Guard or Newel that sounds a warning buzzer immediately before starting or stopping the escalator (moving walk).
top
T
Terms
Explanation
Truss An assembly of structural steel to support the weight and load of an escalator (moving walkway). A controller, drive units for Steps (Pallets) and Moving Handrails are housed inside the structure.
top
U
Terms
Explanation
Under-Handrail Lighting Lighting installed under the Moving Handrails.
Up-Down Starting Key Switch A key switch on the Skirt Guard or Newel for starting the escalator (moving walk) in the desired direction.
top
V
W
Terms
Explanation
Wedge Guard Equipment installed to prevent passengers who lean over the handrail from becoming trapped between the Moving Handrail, ceiling and/or wall.
top
X
Y
Z

top