Overhead Door Closers

HARDWARE IRONMONGERY
-are the most common, and they’re widely used throughout
commercial properties. For example, interior doors within
 Ironmongery originally referred the manufacture
offices, like conference doors, are typically affixed with a door
of iron goods and to the place of sale of such items for
closer that automatically closes the door
domestic rather than industrial use. In both contexts,
the term has expanded to include items made
3 COMMON TYPES
of steel, aluminium, brass, or other metals, as well
as plastics. Regular Arm - The regular arm, or standard arm, closer is a
pull-side application, meaning it is located on the exterior of the
 ironmonger - supplier of consumer goods.
door. In these applications, there are two arms, one attached to
the frame and another to a spring-loaded box on the pull-side of
 architectural ironmongery items (for example, door
the door.
handles, locks, hinges, etc.) are also manufactured
for wholesale and commercial use in offices and other
Top Jamb - Top jamb door closers, like regular arm closers,
buildings.
have arms that project out from the door perpendicularly. Yet,
the biggest difference is that the spring-loaded box is mounted
DOOR HANDLE on the face of the doorframe. These are often used for aluminum
-a small round object or a lever that is attached to a door and is or glass storefront doors, because these doors generally have
used for opening and closing it narrow top rails.

TYPES OF DOOR HANDLE Parallel Arm - With a parallel arm application, there are two
arms that sit on top of the door when it is closed. They are
Lever latch - The most common and basic type of doors handle.
attached to the door via a spring-loaded box, which sits at the
door handle on a backplate found in residential houses and
top of the push-side of the door and powers the closing action.
commercial and public buildings. Doors fitted with this handle
have a latch that keeps the door shut. The door handle has only OTHER TYPES OF DOOR CLOSER
a lever handle which operates this latch
Concealed - Concealed closers are fitted into recesses in the
Lever lock - another type of door handle which operates door and frame. Thus, they aren’t visible when the door is
similarly to the lever latch door handle. This type of handle on a closed. They are available as hydraulic or spring-loaded
backplate consists of a lever with a keyhole cut just below it. This versions, and they are typically used for interior doors that are
allows a key to be inserted into the door to control a mortice sash fairly light.
lock.
Surface-mounted - These types of door closers are fitted to the
Lever Bathroom - typically used on bathroom doors as they can door frame, with a bar along the back of the door. Typically,
be locked and unlocked easily from the inside by turning the these are fairly small in size, and they can be used to match the
snib, but in an emergency can be opened from the outside by color of the door. They are a cost-effective option for
fitting a coin or similar object into a slot and rotating it. This lock automatically closing doors.
is fitted with a mortice sash with the attached to a 5mm spindle
which passes through the door. Floor-Spring - Floor-spring closers are typically used on glass
storefront doors. They are mounted in the floor, and are
Lever Privacy - functionally similar to the Lever Bathroom in concealed. A bar within the closer is fitted into the underside of
that it is locked by turning a snib on the inside and can be the door, which controls the closing action
unlocked from the outside in emergencies. Unlike the Lever
Bathroom, there is no mortice sash; locking is achieved by LOCKS
jamming the lever in a closed position.
-is a mechanical or electronic fastening device that is released
Pull door handles – or simply Pull handles are U-shaped, and by a physical object, by supplying secret information, or by a
combination thereof or only being able to be opened from one
are used especially in the kitchen but also for drawers. Usually
side such as a door chain. A key is a device that is used to
made of stainless steel.
operate a lock

PARTS OF LOCKS
DOOR CLOSER Cylinder - is the part of the lock where the key goes. Your key
-defined as any mechanical device that closes a door in a must fit the cylinder correctly, which will permit you to open the
controlled manner, preventing it from slamming, in general lock. Even a slightly misshapen key will result in the cylinder
after someone opens it, or after it was automatically opened keeping the lock from unlocking
(when opened automatically they are commonly referred as a
door opener). Bolt/Latch - When the key fits the cylinder, the pins inside the
cylinder move, engaging the bolt – sometimes called a latch –
within the door lock. This is the part of the lock that moves in and
out and rests in the carved-out part of the door frame, known as Electronic Locks - Electronic locks are ones that don’t require
the box, when the door is locked, keeping it in place. keys to lock and unlock them. Instead, they have a keypad or
card system in which you can use a special code or key to unlock
Strike Plate - The strike plate is where the lock attaches to the the door. Most of the time, these locks lock the door
door frame to keep the door in position when you lock it. This automatically. You’ll usually find electronic locks in hotel rooms,
piece is a simple, metal part that you can screw to the door frame schools, and offices.
and is the easiest part of a lock to replace if it becomes damaged
HINGE
TYPES OF LOCKS
-a movable joint or mechanism on which a door, gate, or lid
Knob locks - are frequently installed in residential situations on swings as it opens and closes or which connects linked objects
exterior doors in addition to deadbolts, and are sometimes used
as the primary source of security for doors. First and foremost, TYPES OF HINGE
it should be said that knob locks should virtually never be used Butt Hinge - From application ranging from doors, windows,
for security on external doors. cabinets and almost all furniture these are the most commonly
used type of hinges.
Handlesets - have a handle on the external side and either a
keyed opening or twist knob on the internal side with which to Barrel Hinge - Appearing similar to a barrel, this hinge is easy
lock it. This type of lock features a deadbolt rather than spring to install as the joint is simply a hole that is drilled into the work
bolt for extra security. These serve a similar purpose as a piece.. These are generally used for gates and applications
doorknob lock but can provide a more appealing look to the having low loads on the radius
exterior of a home.
Piano Hinges - In modern times the interior designers used
Hand Levers - are an excellent choice for inside doors, like hinges to cover the length of an entire two objects that needs to
closets or basement doors. They feature a simple handle lever be joined together. It’s application ranges from toolbox, folding
on one side and a twist knob on the other. These locks don’t wall partitions, shower doors apart from the obvious piano
provide as much security as others, so they’re not an ideal option construction
for entry doors. But, they do allow you to open doors quickly with
one hand, which is useful when you’re carrying groceries or Butterfly Hinges - In the shape of a butterfly and with a finish
laundry through the home. makes butterfly hinges an interesting piece of design. It is best
used for instances where the hinge might be visible in boxes,
Deadbolts - Deadbolt locks are a separate mechanism from the cabinets of general furniture.
doorknob, which gives your entry doors an additional layer of
security. Many home and business owners choose to have both Flush Hinges - Couple of advantages of using the flush hinges
a doorknob lock and deadbolt on their entry doors to prevent the are that they do not require a corner to be cut in the door on
risk of intruders. which they are installed and don’t leave any space or gap
between frame and the door, giving a very clean consistent look
Barrel Bolt - also known as a sliding bolt, goes on the inside of
the door to keep you safe when you’re in your home with your Pivot Hinges - These hinges are designed for overlay doors,
family. This lock has two pieces: one that goes on the door frame where one part is mounted on top and the other on the bottom
and the other main locking assembly that goes on the door. of the door, resulting in a concealed hinge. These are available
for both light weight and heavy duty usages
Chain Lock - are ones you usually see on the inside of hotel
doors. These locks have a catch on the door frame and a main Barrel Hinge - It consists of components like a barrel which is a
locking assembly on the door, much like a barrel bolt, but use a hollow spherical barrel shaped section joined to a pivot for
chain to lock the door instead of the cylinder piece movement. So, basically a barrel hinge consists of two parts

Cam Locks - is a simplified version of other locks, requiring a Spring Hinge - They act as an option of door closing devices.
key to turn a cam, which locks and unlocks it. Cam locks can be To get adequate force for closing the door, we generally require
either flat or tubular, with keys of the same shape necessary to two spring hinges. These hinges use the property of a spring
open them. which gets the door back to the closing position on its own.
Spring hinges are of different types.
Simple Padlocks - are one of the simplest types of door locks.
You’ll typically see these locks on doors that don’t need high- Gate Hinge - These hinges are ideal for either light and heavy
level security, like shed and storage unit doors. These locks duty places or gates. Designers will know that these hinges are
aren’t attached to anything else but instead lock into themselves available in stainless steel, brass, bronze and other high-tech
materials
Circular Padlocks - A circular padlock, or disc padlock, is
another type of padlock that offers a bit more protection for
people who want a more secure shed or storage unit. They’re
also detached from the doors they lock but are thicker and more
challenging to break than a regular padlock