Stitching Mechanism
AssemblyThe reciprocating needle bar and rotating looper that form single-thread chainstitches (ISO type 101) through the button holes, timed by the main shaft. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Stitching Mechanism
7 top-level lines as of r20569| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Needle Bar | button-attaching-machine-needle-bar | 1× | 1 | · | part |
| 2 | Needle | button-attaching-machine-needle | 1× | 1 | · | part |
| 3 | Looper | button-attaching-machine-looper | 1× | 1 | · | part |
| 4 | Looper Cam | button-attaching-machine-looper-cam | 1× | 1 | · | part |
| 5 | Needle Crank | button-attaching-machine-needle-crank | 1× | 1 | · | part |
| 6 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 7 | Oil Seal | oil-seal | 2× | 2 | · | part |