Air Gap
|
The distance between the sash and the frame (Also: Cavity/Rebate). |
Ball Bearing/Ball Race Hinges
|
Hinges which use ball bearings between sections of the hinge knuckle to reduce friction. |
Bead
|
The section of a window designed to secure the double glazed unit in place. |
Butt Hinge
|
A hinge of two matching leafs, one recessed into the door and the other into the frame. |
Casement Window
|
An outward opening window. |
Cavity
|
The distance between the sash and the frame. |
Counter Bore
|
The three stage process of hole punching Nico undertake to ensure accurate hole tolerances. |
Dummy Sashes
|
Windows that don’t open but look the same as those that do, resulting in the sight lines for all windows appearing equal. |
Duty
|
The weight and frequency (amount) of use a hinge can be expected to take. |
Easy Clean Friction Hinge
|
A friction hinge which when opened allows the outside of the window to be cleaned from the inside. |
Eccentric Mushroom Cams
|
A mushroom cam which can be rotated off centre to provide compression adjustment within strikers. |
Egress Friction Hinge
|
A Friction Hinge which allows a window to be used as a means of exiting a dwelling. |
Espagnolette (Espag)
|
A fastening device which is fitted to the sash of a window and is operated by a handle. It moves mushroom cams into keeps. |
Eurogroove
|
The groove on a window profile in which the hardware is often fitted. |
Face Bar/Face Plate
|
The rigid metal strip part of a locking mechanism. |
Fixed Light
|
A window which doesn’t open. |
Flush Hinges
|
Hinges where both leafs/flaps are screwed directly onto the door and frame and not recessed. |
Friction Hinge
|
A variable geometry hinge which allows the sash of a window to swing into the open position. |
Friction Hinge Channel
|
The part of the friction stay fixed to the window outer frame. |
Friction Screw
|
The screw housed in the friction slide which allows the friction of a hinge to be adjusted. |
Friction Slide
|
The moveable plastic slide sitting in a friction hinge channel and housing the friction screw. |
Friction Stay Reach
|
The suitability of Egress friction hinges for profiles with different hinge fitting positions. |
Gasket
|
The weather seal on a window. |
Guage
|
The material thickness. |
Head
|
The top of a window or door. |
Hinge Knuckle
|
The hollow circular part of a hinge which acts as the joint and revolves around the pin. |
Hinge Leaf
|
The flaps/plates of a hinge which extend from the knuckle and are fixed to the door and frame. |
Hinge Pin
|
The metal rod which sits in the knuckle and holds the two leafs of the hinge together. |
Hinge Protector
|
A two piece device used to provide additional security on a window. Fitted next to a friction hinge one part is fixed to the sash and one part to the frame. The two parts engage in the event of an attack on the window. |
Hinge Roll
|
The outline form of the hinge. |
Hinge Tip
|
The head of the hinge pin. |
Inset Locker Doors
|
Doors which sit flush within the frame/carcass of a locker body. |
Jamb
|
The vertical part of a frame. |
Keep (Striker)
|
A fitting (generally on the frame) which receives the fastening components of locking hardware. |
Low Friction Bearings
|
A method of minimising friction between hinge knuckles. |
Mullion
|
The vertical sections of a window between glazed areas. |
Mushroom Cam
|
The mushroom shaped projecting part of a locking device designed to make sliding contact with a keep/striker. |
Night Vent Position
|
A position in which a window is fastened slightly ajar. |
Nose Bar
|
The bar on a friction hinge which is secured to the sash. |
Nose Cap
|
The cap on the friction stay channel which accepts the nose bar and provides a sealing action. |
Offset Leaf
|
Door hinges where the hinge door and frame leafs are not a mirror image. |
Over Rebate
|
The section of the sash which overlaps the frame. |
Plain Bearing Hinges
|
Hinges which have metal to metal contact between each section of the hinge knuckle. |
Plant On Locker Doors
|
Doors which are surface mounted onto a locker frame/carcass. |
Profile
|
The window frame itself, the outer material (aluminium, PVC, timber, metal). |
Rebate
|
The distance between the sash and the frame. |
Restrictor Device
|
A device to initially limit the opening of a window (to less than 100mm). |
Run Up Block
|
A device fitted within the frame rebate and designed to aid the positioning of the sash and act as an anti lift block to assist security. |
Sash
|
The opening section of a window. |
Shootbolt Espagnolette
|
An espagnolette with retractable shootbolts which engage when locked. |
Stormproof Hinges
|
Hinges designed to suit windows with an over rebate. |
Striker (Keep)
|
A fitting which accepts the fastening components of locking hardware. |
Symmetrical Leaf Hinges
|
Door hinges where the hinge door and frame leafs are a mirror image. |
Vent
|
The opening section of a window. |
Weather Seal
|
The component that provides a watertight seal between sash and frame. |
