| 摘要 |
PROBLEM TO BE SOLVED: To make parts in common, reduce the number of drawings, shorten a design period and reduce the work cost of parts and the number of assembling processes in a misinsertion preventing structure for a printed board. SOLUTION: Guides 1 with cutouts 1a are mounted at two places on a mother board 5 corresponding to a printed board 6 with the cutouts at given angles. On the printed board 6, guides 2 engaged with the guides 1 are inserted in holes in a block 3 fixed to the printed board and fixed with fixing screws 4. Each guide 2 has one end provided with a groove to put a driver 14 therein and the other end provided with a cutout 2a matching the cutout 1a of the guide 1 with free turn by the driver 14. |
