PRINTED CIRCUIT BOARD PROCESSING UNIT

摘要

PROBLEM TO BE SOLVED: To make insertion smooth into a keyhole for a key provided on a open/close means of a cover of a board container. SOLUTION: This invention has an overdrive correction means 31 for correcting the rotational angle deviation caused by the errors between the key 24 on the open/close means 7 of the cover of the board container 12 and the key hole 45 provided on the cover of the container 12 after closing the cover.