| 摘要 |
A prank apparatus includes a base unit, a driving device and a decorative unit. The base unit includes a housing, a support rack, a sounder, a sensor, a power supply, and a control board. The driving includes a mounting seat a drive wheel, a drive motor, a driven wheel, a support bar, and two torsion springs. The decorative unit includes an extension shank having a first end connected with the support bar and a second end provided with a guide slot, a movable pin movably mounted in the guide slot, a first link having a first end pivotally connected with the movable pin, a decorative body connected with a second end of the first link, and a second link having a first end pivotally connected with the support rack and a second end pivotally connected with the first link. |
