Change or rekey · German Mills
Vintage Mortise Lock Service in German Mills
The old skeleton key still fits the keyhole, but it now needs a jiggle, a lean on the door and a little luck before the bolt moves.
In plain words
The trim on the door face is the other half of the lock. The knobs ride on a square spindle that passes through the hub of the case, held by small set screws, and the escutcheons cover the spindle and keyholes. Slack in a knob, a knob that pulls off in your hand, or a thumb-turn that spins without moving the bolt usually traces to a worn spindle, a stripped set screw or a hub whose square has rounded. The service replaces spindle and screws, matches a hub or lever from stock or makes one, and fits everything so there is no free play before the latch starts to move.
How the visit goesSomeone painted the door years ago without removing the hardware. The faceplate, the strike and the little thumb-turn are all under several coats, the deadbolt scrapes when it moves, and the knob is stiff enough to leave marks on your hand.
Vintage Mortise Lock Service
How the visit goes
How the knob and key actually behave
A short conversation with the hardware comes next. The knob is turned and released: does it return smartly, sag back, or not return at all? Is there free play before the latch moves? The key is tried in the deadbolt with the door open: does the bolt throw fully, catch part way, or ignore the key while the key turns? The thumb-turn gets the same test. Each answer points somewhere different inside the case, a latch spring, a hub spring, a worn hub square, a deadbolt lever, a cylinder cam, and the locksmith is building a short list of likely parts before the cover ever comes off.
Cutting a bit key to the lock
For a bit-key lock, keys are made to the case rather than copied from a pattern. A blank with the right bow, shank and bit size is chosen, then the bit is filed by hand to clear the wards inside the case and to lift each lever to the correct height. The key is tried, marked, filed again and tried again until it turns the bolt cleanly from both sides. A second key is made to match while the first is fresh. Where a working original exists, it is used as a guide and the new key is cut to it, and a worn original can itself be gently restored if the customer wants to keep using it.
The interior doors in step
Where a set of interior mortise latches was serviced together, you leave with bedroom and bathroom doors that close and stay closed, privacy turns that actually lock, and, if you wanted it, a single bit key that operates every interior lock the way the builder intended. A note of which key fits which door goes into the house file. Interior cases need almost no care beyond a drop of oil every couple of years and a check that a turn button has not been painted over. A child who locks a bathroom and cannot reopen it is released from outside with the bit key, so keep it somewhere the adults can reach.
Vintage Mortise Lock Service
In the van
Light lock oil
Mortise cylinder and cam
Reproduction mortise case
Latch and hub springs
Warding files
Vintage Mortise Lock Service
What affects the quote
Paint and seized parts
Hardware buried under decades of paint takes time to free and clean without damage. A faceplate, strike and thumb-turn that have to be stripped back add to the visit and are noted in the quote.
Strike and hinge work
Where the door has dropped or swelled, adjusting or moving the strike and tightening or packing hinges is part of the fix. It is small work but it is listed, so you see what was done to the door.
Travel and access
Distance to the property and how easy it is to work at the door, on a busy entry or a third-floor walk-up, are part of any call-out and are stated when the visit is booked.
What to have ready
- How many doors need attention, and are any of them interior doors?
- Is the trouble worse with the door closed than with it open?
- How many keys would you like to have afterwards?
Vintage Mortise Lock Service: questions
QuestionsWhat information helps before you come out?
Whether the door takes a skeleton-style bit key or a flat key in a round cylinder, roughly when the house was built, what the knob and bolt are doing, and whether the trouble is worse with the door closed. A photo of the faceplate in the door edge and one of the keyhole side is worth a great deal. Mention how many doors are involved and how many keys you would like afterwards.
Can you make a key for a lock that has none?
Yes. A bit key is cut to the lock rather than copied from another key: the locksmith chooses a blank of the right size and files the bit until it clears the wards and lifts the levers inside your case, testing as they go. A pin-tumbler cylinder on a later lock is decoded or rekeyed and keys cut to it. Bring any loose keys that came with the house, since one may be close enough to serve as a starting pattern.
Can my interior doors be serviced too, and can one key work all of them?
Usually yes to the first, and to the second once the locksmith checks the locks. Interior mortise latches with privacy turn buttons are lighter versions of the entry lock and respond to the same clean and re-spring. Interior locks in a house were sometimes supplied to one bit key, and where the key sections, warding and levers actually match, the locksmith can restore that arrangement so a single key opens several bedroom and bathroom doors. It is a practical thing to have when a child locks a bathroom from inside.
