| 2.
Construction of a Mortise Lock
Main parts of the lock:
| 1
- |
Forend |
| 2
- |
Follower
spring |
| 3
- |
Latch
bolt |
| 4
- |
Latch
spring |
| 5
- |
Follower |
| 6
- |
Bolt
mechanism |
| 7
- |
Connecting
piece |
| 8
- |
Dead
bolt |
| 9
- |
Case |
Main dimensions of
a lock:
| A
- |
Length
of lock case front/forend |
| B
- |
Case
height |
| C
- |
Centres
- Distance from centre of keyhole or cylinder to centre
of the follower |
| D
- |
Backset
- Distance from centre of keyhole to case front (plug
dimensions) |
| E
- |
Case
depth |
|
