Number | Name | Origin | Weight | Material | MT | Function
|
1
| circular wedge | latch | -- | Aluminum | stamped | access a wedge to keep latch assembled in place inside door
|
2
| pop rivot | latch | -- | brass | molded | holds latch case
|
3
| turning shaft | outer doorknob | -- | steel | molded | functions key lock
|
4
| screws x2 | outer doorknob | -- | brass plated | cold heading, thread wooling | locks inner and outer doorknobs in place
|
5
| latch plate | latch | -- | brass | stamped | attaches to door jam (on door side)
|
6
| strike plate | latch | -- | brass | stamped and bent | attaches to door jam, allows latch to fit in hole
|
7
| spring | inner doorknob | -- | harden steel, nickel based alloy | wound, prehardened or hardened during fabrication | guides the lock by creating resistance in a locking shaft and keeping it aligned in a locking or unlocking position
|
8
| lock shaft | inner doorknob | -- | plastic and brass | two molded parts, press fitted | turns shaft into lock/unlock positions
|
9
| ring | inner doorknob | -- | aluminum | stamped | serves as a buffer between knob spring and spring housing
|
10
| inner doorknob torsional spring | inner doorknob | -- | steel | molded and wrapped | creates resistance when turning doorknob, prevents free spinning
|
11
| spring housing | inner doorknob | -- | brass | stamped and bent | houses and secures torsional spring
|
12
| outer plate locking mechanism | latch | -- | brass | stamped | attaches to door, similar to strike plate
|
13
| inner plate locking mechanism | latch | -- | brass | stamped | wedges between #12 and the door
|
14
| latch | latch | -- | steel | molded | latches door to door jam
|
15
| lock attachment | latch | -- | steel | molded | attaches to latch, does not slide when locked
|
16
| face for outer doorknob | outer doorknob | -- | brass | stamped | aesthetically pleasing
|
17
| hook | latch | -- | brass | stamped | hooks to latch or lock attachment
|
18
| large hooks x2 | latch | -- | steel | stamped | pulls back latch
|
19
| hook mechanism plate | latch | -- | plastic | molded/injection molding | hooks #18 to latch
|
20
| small hook from lock | latch | -- | brass | molded | (unknown use)
|
21
| pin | latch | -- | brass | stamped and bent | adjusts locking mechanism between two different lengths
|
22
| black plastic | inner doorknob | -- | plastic | molded | (unknown use)
|
23
| locking mechanism housing | latch | -- | brass | molded and hole punched | houses small pieces in latch
|
24
| short pin | latch | -- | brass | molded | slides back and forth when size is adjusted
|
25
| plastic hooks | latch | -- | plastic | molded | slides back and forth when size is adjusted, may pull back when hook is tilted to latch
|
26
| latch housing | latch | -- | brass | molded and hole punched | houses mechanism controlling hooks for latch
|
27
| sliding plate | latch | -- | brass | molded and hole punched | slides back and forth, may align holes to those in the door or second housing piece
|
28
| two lock springs | latch | -- | steel/nickel alloy | wound | impacts latch mechanism
|
29
| inner doorknob ring | inner doorknob | -- | aluminum | stamped and molded | locks doorknob into rose, locks doorknob's cylindrical connector
|
30
| inner doorknob rose plate | inner doorknob | -- | brass | stamped and bent | attaches doorknob to door, acts as faceplate
|
31
| inner doorknob rose | inner doorknob | -- | brass | stamped and bent | connects door to doorknob, attaches and connects inner and outer doorknobs
|
32
| inner doorknob | inner doorknob | -- | brass | molded/pressed/clamped | it is gripped by the user to engage latch from inside the door
|
33
| spring housing | outer doorknob | -- | brass | stamped and bent | houses spring mechanism on the outer doorknob
|
34
| bottom spring plate | outer doorknob | -- | steel | stamped | spring pushes against it to create torque
|
35
| top spring plate | outer doorknob | -- | steel | stamped | spring pushes against it to create torque
|
36
| outer knob torsional spring | outer doorknob | -- | steel | molded/wrapped | creates resistance when turning doorknob to prevent free spinning of the knob
|
37
| outer doorknob rose plate | outer doorknob | -- | brass | stamped and bent | attaches doorknob to door, acts as a faceplate
|
38
| outer doorknob rose | outer doorknob | -- | steel | molded and tapped | houses screws and connects inner doorknob to outer doorknob
|
39
| outer doorknob ring | outer doorknob | -- | aluminum | stamped and molded | secures doorknob connector into rose
|
40
| cylindrical connector | inner doorknob | -- | steel | molded | connects doorknob to rose and secured with ring
|
41
| spindle | outer doorknob | -- | brass plated steel | molded | semi-cylinder that wraps around the turning shaft
|
42
| outer doorknob | outer doorknob | -- | brass | molded/pressed/clamped | is gripped by user to engage latch from outside the door
|
43
| cone-shaped connector | outer doorknob | -- | steel | molded | secures outer doorknob to rose and houses locking mechanism, spindle, and locking shaft
|
44
| lock mechanism | outer doorknob | -- | steel/aluminum/other | stamped/sealed/molded/assorted | mechanism engages lock
|