| 摘要 |
PROBLEM TO BE SOLVED: To obtain commodity data reader which is easy for operator to use. SOLUTION: By making only a reader 4 freely elevatable over the load reception surface 2a of a sucker base 2 independenty by providing an elevation mechanism A, even if the height of the reader 4 is varied, a display unit 5 or keyboard 6 never changes its position. Consequently, the article data reader 1 which is easy for operator to use is obtained. |
