5. MECHANICAL DESCRIPTIONS

5-4. Presser foot mechanism

1.Presser adjusting screw

2.Presser bar spring

3.Presser bar

4.Presser foot

1111B

1.Knee lifter

2.Knee lifter shaft

3.Knee lifter complying bar assembly

4.Knee lifter bar

5.Knee lifter lever

6.Knee lifter connecting rod

7.Presser bar lifter lever

8.Presser bar bracket

9.Presser bar

10.Presser foot

1112B

35

Z-8550A, 8560A