What Is A Mortise Exit Device?

Mortise lock exit devices incorporate a mortise lock in the mechanism. They can be used on single doors as well as on double doors. They are often used on the active leaf of a pair of doors. Like all exit devices, mortise lock exit devices are designed to keep you safe and secure.

How does an exit device work?

The strike for a rim exit device is installed to the soffit of the strike jamb on the door frame. Most other latching hardware has a strike that is cut into the rabbet of the strike jamb. The latch will engage the strike as the door comes closed. No manual operation is required to ensure the door latches.

What is a door exit device?

An exit device – sometimes called a Panic Device or a Crash Bar – is mechanical door hardware operated from the inside of an outswing exit door through the use of a crossbar or push rail and extends at least halfway across its width.Any horizontal force on the cross bar or push rail will release the door.

What is SVR exit device?

Fire SVR exit devices are used for UL listed fire labeled pairs of doors up to 8′ x 8′ (2438mm x 2438mm) The SVR models cannot be omitted the bottom rod to use as Less Bottom Rod (LBR) devices, if LBR devices are desired.

What is a CVR exit device?

Fire rated CVR exit devices are used for UL listed fire labeled pairs of steel doors up to 8′ x 8′ (2438mm x 2438mm).The Wood Door CVR Exit Devices are furnished with two reinforced plates to strengthen both top edge and bottom edge of the wood door.

What is the difference between panic hardware and fire exit hardware?

Panic Hardware is an exit device which is tested for use on a door that is required to have panic hardware, but cannot be used on a fire door.Since fire doors require positive-latching, fire exit hardware does not incorporate mechanical dogging.

What is mortise lock set?

A mortise lockset is designed for doors using mortise locks, where a box lock is installed into a deep pocket or “mortise” in the edge of the door. Mortise lock sets are available in a variety of classic designs and include backplate, door knob, box lock and all the hardware you need.

What are the push bars on doors called?

A crash bar (also known as a panic exit device, panic bar, or push bar) is a type of door opening mechanism which allows users to open a door by pushing a bar.

What does Rim Panic mean?

Rim — A rim panic device is surface-mounted on the door, with the latch projecting from the panic device rather than the door edge. This is the simplest configuration of panic hardware and the easiest to maintain. Rim panics can be used on single doors or on pairs of doors in conjunction with a removable mullion.

How do dogs crash bars?

The most common way to “dog down” or place the exit device in the unlocked mode is by pushing the bar, inserting and turning a “dogging key” into a hole on the interior bar of the exit device. The dogging key is commonly a hexagonal or “hex” key like the picture.

What is panic hardware for doors?

Code publications define panic hardware as, “a door-latching assembly incorporating a device that releases the latch upon the application of a force in the direction of egress travel.”

Are panic bars required on exit doors?

It is usually only installed on doors that are required by law to have panic hardware. International Building Code IBC only requires this type of hardware on buildings: with specific high-traffic or high-hazard occupancy, such as educational or assembly facilities with more than 50 people.

Is panic hardware considered a latch?

Panic hardware is defined by the International Building Code (IBC) as: “A door-latching assembly incorporating a device that releases the latch upon the application of a force in the direction of egress travel.” Fire exit hardware is panic hardware that is listed for use as part of a fire door assembly.

Where do you need panic hardware?

The required locations for panic hardware vary depending on which code has been adopted, but typically, panic hardware is required for assembly, educational/daycare, and high hazard occupancies, where the calculated occupant load is 50 people or more (International Building Code (IBC) and International Fire Code (IFC

How do you unlock a mortise lock?

A mortice lock is excruiatingly hard to open without a key.

1. Insert the matching key into the mortice key hole.
2. Turn the key counter-clockwise by one half to one full turn, depending on the model, to force the bolt to slide to the left from its locked position.

Why is it called a mortise lock?

The name warded locks refers to the lock mechanism, while the name mortise lock refers to the bolt location. Warded locks contain a series of static obstructions, or wards, within the lock box; only a key with cutouts to match the obstructions will be able to turn freely in the lock and open the latch.

Why is it called a mortice lock?

One of the most readily available and secure types of lock is the mortice lock. These earned their name thanks to the pocket (or mortice) that the bolt slots into, which is cut into the internal face of the doorframe. When the bolt is in the mortice, the door is unable to move and is securely locked.

How does a push door work?

A gentle press on the door is all it takes for the Push to open piston to move the door into a position that easily lets you get your fingers behind to open it. Depending on use, the door remains in piston end position or swings open widely. The door is closed by pressing on it again.

Who invented the exit device?

Von Duprin
Without an original idea, no product would ever see the light of day. We all take exit devices for granted today, but someone, somewhere had to be the inventor of the product.

Why was the panic bar invented?

What is a panic bar?While originally created as a way to prevent crowd crushing in an emergency, panic bars are now used as the primary door opening mechanism in many commercial buildings. This simple safety mechanism has saved the millions of lives.

What is Exit trim?

Exit device trim can be added to exit devices to improve the devices’ security functions or to match the design style of a building or facility.Exit device trim can be added to exit devices to improve the devices’ security functions or to match the design style of a building or facility.