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