| 摘要 |
PURPOSE:To enhance the stability of an optical cutting operation in the operation of a movable light guiding path part by securely pinching the respective magnetic pole pieces of a yoke by the leg pieces of a base plate. CONSTITUTION:This relay has a stationary light guiding path part 2, the movable light guiding path part 7, a driving means 11 and the base plate 15 to mount these parts. The yoke 12 which is the constituting section of the driving means 11 is formed to an approximately E shape consisting of the central magnetic pole piece 12a and the opposite magnetic pole pieces 12b, 12c facing each other via two pieces of approximately an equidistant gaps on both sides thereof. Four pieces of the leg pieces 15c to 15f positioned in the two gaps and on the outer side of the opposite magnetic pole pieces 12b, 12c are provided on the base plate 15 and the magnetic pole pieces of the yoke 12 are pinched by 4 pieces of the leg pieces 15c to 15f of the base plate 15. The respective magnetic pole pieces 12b, 12c of the yoke 12 are securely pinched by the leg pieces 15c to 15f of the base plate 15 in such a manner, by which the magnetic pole pieces 12a to 12c are hardly deformed and the stroke of the driving member is stabilized. The stability of the optical cutting operation in the operation of the movable light guiding path part is enhanced. |
