Realize the Benefits and Uses of Full Mortise Locks
Full Mortise Locks offer the most concealed appearance. Use on drawers and doors. Installation requires, a pocket to be cut in wood, to house lock mechanism. Once installed, all that is visible is a simple, brass rectangular plate, known as the selvedge. Full Mortise Locks are often desired for it's minimalist appearance .
USE ON DRAWERS, DOORS AND DESKS.
When using half mortise locks on drawers consider position of keyhole, as it is often off center. When engaged, lock-bolt shoots up into case above drawer. A strike is rarely used.
Our full mortise locks work both right-hand and left-hand cabinet doors. Please note: some full mortise locks are not available in both left and right options. When looking for door locks be sure lock is handed according to your needs.
- doors hinged on right - bolt shoots to the left.
- doors hinged on left - bolt shoots to the right.
were often used on roll top desks. These applications require a trap-door strike with the lock.
Measuring Full Mortise Locks
- Measure your lock before looking for a replacement.
- Please view diagram right, to determine relevant measurements.
Backset measurement, distance from edge of lock to pin in keyhole, is the most important measurement, it must match precisely.
- Once the backset measurement is determined you can look at your various options.
Cabinet work may be necessary if potential substitutes have different lock-body or lock-plate measurements.
FULL MORTISE INSTALLATION
Determine desired location of lock
- Adjust position to allow for location of keyhole as it is often off center in lock
- Lock should be positioned in middle of wood thickness, providing a wood edge around selvedge
- Mark location of lock-selvedge on door or drawer edge
- Hold lock-selvedge, at desired location, on wood thickness and trace outline
- Inspect outline for accuracy , straighten lines where necessary
- Mortise Selvedge
- Trace lock-body outline into selvedge-mortise at correct position
- Cut lock-body-mortise
- Mortise can be slightly off as selvedge will conceal lock-body once installed.
- Check lock with mortise, lock should sit in mortise with selvedge flush with wood surface
- Strikes are rarely use with reproduction full mortise locks. Traditionally a simple mortise was cut in the wood to accept the lock bolt.
- Measure distance from top of lock-plate to center of key pin
- Measure distance from side of lock-plate to center of key pin
- With these two measurements locate keyhole on furniture front, make sure key pin is aligned with keyhole location
- Drill small pilot hole at key pin location, hold lock in position and check to make sure hole lines up with key pin
- Drill hole larger to accommodate key barrel
- Mount lock in a mortised- pocket in wood thickness/edge
- Selvedge edge should be level with top of drawer or edge of door
- Attach with wood screws
- For a finished appearance: mount an escutcheon/keyhole plate, on furniture front.