5. MECHANICAL DESCRIPTIONS
5-8. Tension release mechanism
1120B
1. Lifting lever | <1> Knee lifter connecting rod |
| (Press the knee switch.) |
2.Presser bar lifter lever
3.Tension release plate
4.Tension release stud
5.Tension release pin
(Press the tension disc presser.)
6.Tension disc presser
7.Rotary disc
(1) Tension release pin
43 |