Thread take up lever

The duty which lets out upper thread is carried out with the parts which are visible to the direction of an on [ the front of a sewing machine ].
Since it is mainly an object for industry, the thing of a house hold is differed from a little.

Needle bar driving lever

Since it has separated to the double, although this part is called "double crank", it may change greatly with the differences, the portions used in each sewing-machine maker company in fact to our company.
For example, it is only a "crank" or is "needle crank ".

Feed bar

When sewing cloth by the sewing machine, if a pedal is stepped on, cloth will be feed  in front automatically.
It is the duty of the feed bar.

Rod

The role of a Rod is mainly changing rotational movement into reciprocating movement, or changing reciprocating movement into rotational movement conversely united with a crank.  Like a photograph, there are all kinds of size is chosen by power transfer into a near portion, or power transfer into a portion far from.

Looper

The meaning of man" which makes "ring with a LOOPER.
A looper makes a loop with thread as the name.
The loop makes the special seams (elastic that etc.) different from ordinary straight-line sewing constitute.
If you see a right sketch, although it will think whether you can understand, the position relation of a looper and a needle is quite severe.
In wonderful rotation 5000-10000rpm, since it is the parts which is carrying out the precise motion.