203917 Rev. D
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SWING DOOR TERMINOLOGY
Active Door
Bi-Swinging Pair
Breakout
Butt Hung
Center Pivot
Concealed Application
Door Arm
Double Egress
“In” Door Application
Left Hand Operator
Offset Pivot
“Out” Door Application
Reveal
Right Hand Operator
Side Clearance
Swing Clear
Visible Application
The door that includes the locking mechanism.
A simultaneous pair of swinging doors.
The ability to allow emergency egress through the door in a manner different
from its normal operation – an IN door swinging out.
Swinging door on butt hinges.
Condition of pivoting a swing door about a point on the centerline of the door
panel, 3 ¾” from the pivot jamb. Required for breakout.
Operator and casing contained within framing system.
Member which mechanically links operator output spindle to door. May be
single piece located in the rail of the door (concealed application), or complex
device utilizing connecting rods and slides (visible application).
A pair of swinging doors swinging simultaneously in opposite directions.
Door swings toward ingress of building.
As the user approaches the door from the push side, the door swings to the
left.
Condition of pivoting a swinging door off of the centerline of the door panel.
Door swings toward egress of building.
Dimension from surface upon which operator will be mounted to face of door
being automated. Often applying to visible, swinging applications.
Opposite to left hand (see Left Hand Operator)
Distance from the face of the door in the full open 90-degree position to
the outer most point on the operator linkage.
Butt hinge that allows the swinging panel to swing clear of the jamb allowing
more clear door opening.
Operator contained in a case, surface-mounted to the door frame.
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