| 摘要 |
An apparatus for simultaneous entertainment and physical exercise of a pet animal such as a dog or cat. An impeller rotates about a vertical axis between an upper hopper and a lower base. The hopper is configured to receive and hold a collection of projectiles, such as balls, which move by gravity from the hopper to be serially dispensed into an open-ended channel in the rotating impeller. The rotary motion of the impeller causes the balls to be ejected from either of the two open ends of the ejection channel, and generally horizontally away from the apparatus. Ejection of the balls occurs at random trajectories relative to the apparatus. The pet is entertained by chasing and possibly retrieving the serially ejected balls. Means and mechanisms are disclosed for powering the rotation of the impeller and for regulating the movement of the balls through the apparatus for ejection.
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