| 摘要 |
<P>PROBLEM TO BE SOLVED: To secure accuracy at the time of stacking trays for transporting and storing electronic components. <P>SOLUTION: In the plastic made tray 1 for electronic components, fitted with an engaging structure for stacking, the periphery rim of the lower surface of the tray is adapted to protrude as a ring-shaped protrusive body 5 with its inner circumference being of rectangular form, while, inside the periphery edge of the upper surface of the tray, a protrusive body 3 with its outer circumference being of rectangular form is provided to be fitted with the inside of the ring-shaped protrusive body when trays are stacked, and channels 6 are provided in the centers of four sides of the ring-shaped protrusive body provided on the lower surface, and furthermore, protrusive pieces 4 are provided, directed outward, in the centers of four sides of the protrusive body provided on the upper surface, the protrusive pieces being inserted for fitting into the channels at the time of engagement. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
