| 摘要 |
<p>A shock indicator according to the present invention comprises a housing in which a hollow is formed and on the inside wall surface of which at least one of pins protrude in the directions of up and down, front and rear, and left and right, and an ink ball that hung movable on a center of the housing, which is spaced at a predetermined distance from the leading end of the respective pin; wherein when a shock is applied thereto, the ink ball collides with the pins to discharge the ink filled therewithin and thereby activating the housing as an ink color. Accordingly, the shock indicator can response to the shock applied from all direction including the direction of front and rear, and left and right, and has an advantage on indicating the shock over a predetermined value.</p> |
