Transcript Hinges
IRON MONGERY
Definition
manufacture of iron goods, refers to the range of
mechanical and moving items which enable a door to
be opened, closed and locked.
The essential items of iron mongery for external door
are hinges to hang the door and a lock mechanism.
Many external door will require a latches to enable
the door to be closed.
Main Components of iron mongery
Hinges
Door closers & Checks
Locks & Latches
Knob, Lever & Pull handles
Bolts
Types of Hinges
Hinges – a joint that holds two parts together so that one
can swing relative to other.
•Back Flap Hinge
•Butt Hinge
•Counter Flap Hinge
•Garnet Hinge
•Nar-Madi Hinge
•Parliamentary
Hinge
•Pin Hinge
•Rising Butt Hinge
•Strap Hinge
•Spring Hinge
Back Flap Hinge
This hinges are used where the shutters are thin
These are fixed to the back side of the shutters
and the frame.
Used for heavy cabinet work, steel base material,
with screws included.
Butt Hinge
These types of hinges are commonly used for fixing doors
& window shutters to the frame.
The flanges of hinge are made of cast iron, mallcable iron
or steel, with counter sunk holes.
Flange or hinge is screwed to the rebate of the frame.
Normally used for door in the places where the doors
should look elegant and make you feel welcome.
Counter Flap Finge
This hinge is formed in 3 parts & has 2 centres.
Hence the 2 leaves can be folded back to back.
Parliamentary Hinge
Is used to enable door to fold back.
It projects from the face of this frame.
Garnet Hinge
Also known as T-shutter
Has a long arm which is screwed to the shutter.
Also has a short arm or plate which is screwed to the door
frame.
The hinge is used for ledged & battened doors, ledged &
braced door, etc.
Nar-Madi Hinge
Used for heavy doors
The flange or strap the hinge is fixed to the door
shutter while the pin on which the strap rotates is
fixed to the frame.
Pin Hinge
Also used for heavy door-shutters
The centre pin of the hinge can be removed.
The 2 leaves or straps of the hinge can be fixed
separately to the frame & the shutter.
Rising Butt Hinge
Such a hinge is provided with helical nickel joints, due to
which the shutter is raised by 10mm on being opened.
The door is closed automatically.
Such hinges are used for doors of rooms having carpets,
etc.
They are used in place of ordinary butt hinges.
Strap Hinge
Substitute of a garnet or T-hinge
Also used for ledged & braced doors.
For heavy doors such as garages, gates, etc.
Spring Hinges
Single acting or double acting spring hinges are used for
swinging doors.
Single acting hinge is used when the shutter opens only in
one direction.
Double acting hinge is used when the shutter swing in
both directions.
The door closed automatically due to spring action.
Other examples of hinge: Concealed hinge
Continuous or Piano Hinge
Flush hinge
Concealed hinge
Friction hinge
Barrel hinge
Barrel hinge
Piano hinge
Friction hinge
Flush hinge
Door Closers & Checks
Door Closers & Checks
The closing action of doors can be controlled by the fixing
of checks mechanisms on the top of the face to the door &
the door frame head.
This type of closer is adjustable to balance the weight of the
door & is much less expensive than the pivot floor spring
control.
Available in double & single action patterns, handed and
reversible.
LOCK AND LATCHES
Locks – spring-loaded door locked that can only be
opened from the outside with the key.
Types of lock commonly used:-
Mortise lock
Rim lock
Cup board lock
Lever handle lock
Pad lock
Lever handle lock
Rim lock
Cup board lock
Mortise lock
Pad lock
Latch
The most simplest way to hold the doors in the
closed position.
It has held in the extended position by a spring
which only can be drawn by handle or knob only.
Tubular latches
Night latches
Rim latches
Tubular latches
Night latches
Rim latches
KNOB, LEVER & PULL HINGE
KNOB
Available in a wide range of shape & finishes.
Provide a neat & strong specification
Available in bronze & aluminium.
Mortice knobs
Rim knobs
Glass door knobs
Crystal door knobs
Centre door knobs
Porcelain knobs
LEVER & PULL HANDLE
Much easier to operate & some have an end turned
into the face to further assist the grip.
Must be well designed & strongly constructed since
the lever arm produce considerable strain on the lock
or latch mechanism.
Pull Handle
Classic pull handle
Designer pull handle
Stainless steel pull handle
Aluminium pull handle
Door Handle
Round rose
Square Rose
Backplate
Classic Door Handles
Stainless Steel Door Handles
Porcelain Door Handle
Aluminium Door Handle
Bolts
Bolts – the part of lock that is engaged or
withdrawn without a key.
Examples:-
Roller bolts
Rack bolts
Bathroom bolts
Door bolts