6. MECHANICAL DESCRIPTIONS
BAS-311H
52
6-6. Intermittent presser foot stroke mechanism
1. Motor
assembly
2. Upper
shaft
3. Stepping
clamp
cam
4. Stepping clamp connecting rod
5. Stepping clamp arm R
6. Stepping clamp arm F
7. Stepping clamp connecting rod A
8. Stepping clamp link
9. Stepping clamp connecting rod B
10. Presser bar clamp
11. Presser bar
12. Presser foot
3252B