- Backset
The measurement used on nightlatches and mortice locks.
- Bathroom Lock
A mortice lock which is used with thumbturn handles to allow the occupant of the bathroom to lock the door from the inside.
- BS7950
The British Standard that relates to the enchanced security of windows.
- BS EN 1303
This
standard classifies cylinders using a 7 digit coding system. Each
digit refers to a particular feature of the product measured against the
standard's performance requirements. The standard includes tests on
durability, fire and corrosion resistance.
- CE Marking
CE
Marking on a product is a manufacturer's declaration that the product
complies with the essential requirements of the relevant European
health, safety and environmental protection legislations, in practice by
many of the so-called Product Directives.
- BS EN 1935
This
standard provides details on product types, classification by use, test
cycles, door mass, corrosion resistance, as well as definitions,
product performance requirements, test apparatus, test methods and
marking of products. In addition, the published standard includes
annexes with details for special applications.
- BS6375, Pt 2
The British Standard that relates to the effectiveness of “child safe” restrictor hinges.
- BS7412
The British Standard that relates to the overall performance of PVCu windows.
- BS3621
This
British Standard applies to Mortice Locks and Nightlatches. All locks
that carry the BS3621 kitemark meet the standards set by insurance
companies and the police
- Deadbolt
On a
mulit-pojnt lock, the deadbolt is located at the centre of the lock to
add increased security. Normally of rectangular shape but can also be in
the shape of a hook.
- Deadlock
A mortice deadlock does not have a latch, but a bolt only which is operated by key.
Some nightlatches have a deadlocked function that adds extra security
to the locking mechanism after the key has been rotated for a second
time.
- Door Chain
Also
called Door Limiter. A fitment that restricts the door to being
partially opened in order to identify callers prior to opening the door
for access. Can be either an integral part of the lock mechanism or
surface mounted on the inner face of the door.
- Door Limiter
Also named Door Chain. A
fitment that restricts the door to being partially opened in order to
identify callers prior to opening the door for access. Can be either an
integral part of the lock mechanism or surface mounted on the inner face
of the door.
- Electric Strike
An electrical device that permits releasing of the lock in the door from a remote control.
- Euro Profile Cylinder
A
cylinder barrel with a specific shape that can be fitted and used in
many types of locks including mortice locks and multi-point locks.
- Hookbolts
Hook
shaped bolts used on a multi-point lock, designed to assist door
compression and a high level of security against forced attack.
- Keep/Receiver/Striker
A metal plate or box which is pierced or recessed to receive the bolt or latch when projected
- Kitemark
A
BSI Kitemark is a trusted mark/symbol of product quality recognized by
consumers and specifiers. Kitemarked products have passed a rigorous
certification process and can be repeatedly manufactured and supplied to
the same standard and purpose for which they were designed.
In addition to this, the products and quality management systems of
Kitemark licensees are audited periodically to maintain product quality
under ISO 9001: 2000
- Latchbolt
Most
mortice sashlocks have an easily reversible latchbolt for securing the
door so that it can still be operated by handle from either side.
- Levers
Levers
are used in some mortice locks and padlocks. The higher the number of
levers a lock contains, the higher the level of security it offers.
- Locking Point
The point where the multi-point lock enters the outer frame of the door, using either a hook or a rectangular shaped bar.
- Master Key
One
key that operates a number of locks where the individual locks each
have their own, different key. For further information, contact your
locksmith.
- Mortice Lock
The
lock fits into a mortice that has been ‘cut out’ of a timber door edge.
The locking action is achieved by a bolt that shoots out of the lock
into the striker plate when the key is turned.
The vertical member of a sash, window or door frame between openings in a multiple opening frame.
- Multi-Point Lock
Describes
a type of lock mechanism that has more than one locking point. It
usually has a minimum of three locking points (plus latch) spread
strategically over the length of the door. Multi-point locks are
typically used on PVCu or composite doors.
- Night Latch
A
lock which is mounted onto the surface of the door as opposed to being
morticed into the edge of the door. A nightlatch holds the door shut on
a latch which can often be deadlocked into position.
Nightlatches are still sometimes referred to by their traditional
name of 'rimlock' although a rimlock usually now refers to a basic
security lock for use on internal doors, gates or outbuildings.
- Pivot Window Hinges/Stays
The
pivot hinge is for use on high performance horizontal or vertical pivot
timber windows and offers a high weight capacity for large glazed areas.
Poly Vinyl Chlorate Unplasticised is the material used to manufacture a wide range of products including windows and doors
- Rim Lock
Nightlatches
are still sometimes referred to by their traditional name of 'rimlock'
although a rimlock usually now refers to a basic security lock for use
on internal doors, gates or outbuildings
- Snib
A
button or slider on a nightlatch that enables the latch to be “held
back”, preventing the door from accidentally slamming shut.
- Spindle
The
spindle is a square metal bar which connects the door handles on either
side of your door together through the follower. When the levers of
your door handles are pressed, the spindle rotates and operates the
latch inside the door, allowing the door to open.
- Tempered Glass
A type safety glass that has
undergone a heat treatment process in order to increase its strength.
Also known as toughened glass.
- Thumbturn Cylinder
A knob fitted to one end of a cylinder which allows the door to be unlocked without a key from one side only
- Tilt & Turn Window Hinges/Stays
The
tilt & turn window are typically used where it would not be possible
or advisable to open windows outwards, e.g. pathway or street, or where
external shutters are fitted.
- Top Hung Window Hinges/Stays
For
outward opening sashes in situations where glass may be easily cleaned
from the outside of the building. The unobtrusive flush fitting hinges
allow the sash to be disengaged and removed when it’s opened to the
horizontal position.
Cisa Locks
