Patent ID: 9737782
Date: 2017-08-22
CPC Classifications: A63B

Claim:
1. A racket-free tennis training device, comprising a maneuverable platform, wherein the maneuverable platform comprises an elevation mechanism mounted thereon and a ball receiving and shooting mechanism is mounted on the elevation mechanism; the ball receiving and shooting mechanism comprising a ball receiving mechanism, a ball management mechanism, and a ball shooting mechanism; the ball receiving mechanism comprising a ball receptacle; the ball management mechanism comprising a ball collection barrel and an advancing mechanism; the ball shooting mechanism comprising a dual-disc shooting mechanism, which comprises a first disc, a second disc, a first shooting motor coupled to the first disc, and a second shooting motor coupled to the second disc, wherein the first disc and the second disc are rotatable in opposite directions and are spaced from each other by a predetermined distance, the spacing distance between the first disc and the second disc being slightly less than a diameter of a tennis ball; wherein the maneuverable platform comprises a chassis, the chassis comprising direction wheels mounted thereto, the direction wheels being coupled to drive motors, the chassis also comprising an obstacle sensor mechanism mounted thereto.