Transfer apparatus

1. A transfer apparatus comprising:

a first rod-shaped member comprising a magnetic material;

a first terminal member configured to allow insertion of a first end portion of the first rod-shaped member;

a second terminal member configured to allow insertion of a second end portion of the first rod-shaped member;

a second rod-shaped member comprising a magnetic material;

a third terminal member configured to allow insertion of a first end portion of the second rod-shaped member;

a fourth terminal member configured to allow insertion of a second end portion of the second rod-shaped member;

a coupling member configured to couple the second terminal member and the third terminal member; and

an opposite member facing a part of side surfaces of the first and second rod-shaped members and comprising a magnetic material,

wherein the first rod-shaped member and the first terminal member are not fixed, the first rod-shaped member and the second terminal member are fixed to each other, and when the first and second rod-shaped members rotate, the opposite member moves along central axes of the first and second rod-shaped members.

2. The transfer apparatus according to claim 1 ,

wherein a concave portion configured to allow insertion of the first end portion of the first rod-shaped member is provided in the first terminal member, and

an insertion depth of the first end portion of the first rod-shaped member is smaller than a depth of the concave portion of the first terminal member, so that an end surface surrounding the concave portion of the first terminal member does not make contact with the first rod-shaped member.

3. The transfer apparatus according to claim 1 ,

wherein the first rod-shaped member and the second terminal member are fixed to each other by welding.

4. The transfer apparatus according to claim 1 ,

wherein the first rod-shaped member and the second terminal member are fixed to each other by a fastening pin.

5. The transfer apparatus according to claim 1 ,

wherein the first rod-shaped member makes contact with the first terminal member via a key.

6. The transfer apparatus according to claim 1 , further comprising:

a first cover configured to cover the first rod-shaped member, the first cover being formed of a nonmagnetic material;

wherein the first cover and the first terminal member are fixed to each other, and the first cover and the second terminal member are fixed to each other.

7. The transfer apparatus according to claim 6 , wherein the first cover and the first terminal member are fixed to each other by welding, and the first cover and the second terminal member are fixed to each other by welding.

8. The transfer apparatus according to claim 1 ,

wherein the first terminal member and the second terminal member are made of a nonmagnetic material.

9. The transfer apparatus according to claim 1 , wherein the second rod-shaped member and the third terminal member are fixed to each other, and the second rod-shaped member and the fourth terminal member are not fixed to each other.

10. The transfer apparatus according to claim 9 ,

wherein a concave portion configured to allow insertion of the second end portion of the second rod-shaped member is provided in the fourth terminal member, and

an insertion depth of the second end portion of the second rod-shaped member is smaller than a depth of the concave portion of the fourth terminal member, so that an end surface surrounding the concave portion of the fourth terminal member does not make contact with the second rod-shaped member.

11. The transfer apparatus according to claim 9 ,

wherein the second rod-shaped member and the third terminal member are fixed to each other by welding.

12. The transfer apparatus according to claim 9 ,

wherein the second rod-shaped member and the third terminal member are fixed to each other by a fastening pin.

13. The transfer apparatus according to claim 9 ,

wherein the second rod-shaped member makes contact with the fourth terminal member via a key.

14. The transfer apparatus according to claim 9 , further comprising:

a second cover configured to cover the second rod-shaped member, the second cover being formed of a nonmagnetic material;

wherein the second cover and the third terminal member are fixed to each other, and the second cover and the fourth terminal member are fixed to each other.

15. The transfer apparatus according to claim 14 , wherein the second cover and the third terminal member are fixed to each other by welding, and the second cover and the fourth terminal member are fixed to each other by welding.

16. The transfer apparatus according to claim 9 ,

wherein the third terminal member and the fourth terminal member are made of a nonmagnetic material.

17. The transfer apparatus according to claim 1 , wherein the first rod-shaped member is stored in a furnace.

18. The transfer apparatus according to claim 1 , wherein the first and second rod-shaped members are stored in a furnace.

19. The transfer apparatus according to claim 1 , further comprising a driving device connected to the first terminal member, the driving device being configured to rotate the first and second rod-shaped members about the central axes of the first and second rod-shaped members.

20. The transfer apparatus according to claim 1 , further comprising a driving device connected to the fourth terminal member, the driving device being configured to rotate the first and second rod-shaped members about the central axes of the first and second rod-shaped members.