The sleeve now stands still, the die cuts the thread and pulls the turret along by the friction of the pin in the keyway. This causes the pin to catch in the front end of the keyway and the sleeve is again locked. Fig. 1533 represents the chuck in use for holding a piece of shafting s to cut a keyway or spline in it.
It's an input device, but you could argue that the LCD screen (on many cameras) is an output device. Yes. Digital Camera is an input and output device because its has a processor as well as a n LCD disply to show off output images or videos. I belive it is an input device.
This often manifests itself through the misconception that compact digital cameras will produce more blur for a given amount of camera shake than traditional SLRs. This can be debunked with a simple thought experiment: Consider two cameras, C1 and C2, with the same field of view, but suppose C1 has a larger sensor.