Analyzing surface null of the direction regulation device of the inspection direction for inspected ones and the foreign material survey instrument and the foreign material survey instrument which include

摘要

PURPOSE:To securely inspect foreign matter in liquid by fitting a cam follower to a sector gear and forming properly a guide which engages the cam follower. CONSTITUTION:The sector gear 29 is supported pivotally on the reverse surface of a turntable 30 by a shaft 30 and a step part 29a for preventing each sector gear 29 contacting adjacent sector gear 29 is formed on the sector gear 29. The sector gear 29 is fitted with the cam follower 31, which is engaged with the guide 33 formed on the top surface of a cam plate 32 which is fixed on the side of an inspection device main body and does not rotate. The shape of the guide 33 is altered to obtain the desired period and speed of the swinging of the sector gear 29.