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7. MECHANICAL DESCRIPTIONS
S-7200C
63
７-６. Thread trimming mechanism
７-６-１. Thread trimming mechanism operation sequence
The illustration below shows the mechanism with the high-speed rotary hook removed.
1） When thread rimming signal is input
2） Rocking of movable knife holder
1. Solenoid plunger
2. Solenoid lever
3. Thread trimmer cam lever shaft
4. Roller (Moves to above (1))
(1) Thread trimmer cam
4345M
4346M
1. Thread trimmer cam
2. Roller
3. Slide block
4. Forked shaft
5. Thread trimmer lever
6. Thread trimmer connecting rod
7. Movable knife holder
8. Movable knife