| 摘要 |
1,200,137. Silk screen printing apparatus. A. SVANTESSON. 21 May, 1968 [23 May, 1967], No. 24097/68. Heading B6C. Squeegee carrier d, which may carry a blade and an ink container, so as to spread ink over a silk screen, has on it a permanent magnet e and magnetically actuated switches a, b, located on a rail c parallel to the direction of reciprocating movement of the carrier, indicate when it reaches the limits of its travel. The switches a, b are adjustable along rail c to vary their spacing and the travel of the carrier. They may be reed switches or relays. |
