5. MECHANICAL DESCRIPTIONS

5. MECHANICAL DESCRIPTIONS

Each mechanism operates in the order of the numbers shown in the illustration.

*<number> and [number] indicate the flow of operations that occur separately from each other.

*(number) indicates only the names of parts. (They are not part of the indication of operation flow.)

5-1. Needle bar and thread take-up mechanisms

1109B

1. Motor

2. Upper shaft

<2> Pulley

3.Thread take-up crank

4.Needle bar connecting rod shaft

5.

Needle bar connecting rod

[5] Rotary thread take-up lever

6.

Needle bar clamp

 

7.

Needle bar

 

Z-8550A, 8560A

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