| Serial No. |
Subfunctions |
Means 1 |
Means 2 |
Means 3 |
Means 4 |
Means 5 |
| 1 |
Movement of hands |
stepper motor
|
Motion depemdent working gears
|
Rotating gears with vertical racks
|
Rotary-to-Reciprocating Motion
|
Stepper motor with driver L293d
|
| 2 |
Display |
Digital LCD/OLED/7-Segment
|
Simple dial clock
|
Sliding numbered racks
|
Mechanical 7-Segment Display
|
Skeleton dial with the gear train
|
| 3 |
Attenuate |
Smooth gear-driven rotary motion
|
Nylon gears with bushings and bearings
|
Nylon gears and casing
|
Gear Train Speed Reduction
|
GT 2 Timing belt with flanged bearing
|
| 4 |
Operating mechanism |
spur gear reduction mechanism
|
Simple gear mechanism
|
Gear train with rack and pinion mechanism
|
Cam and Follower mechanism
|
Sun and planetary gear mechanism
|
| 5 |
Support rotation |
shaft
|
Bushing
|
Ball bearing
|
Bearing housing
|
Axle
|