Tennis practice and teaching rebounder

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

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Details

273 26A, A63B 6100

Patent

active

040822710

ABSTRACT:
A tennis practice and teaching rebounder having a net wall for time delay in rebound, tension adjustment for controlling velocity of rebound, vertical angle adjustment for providing high or low bounce on return, and orientable for providing backhand or forehand return. Tube structural members define a rectangular base mounting fixed, angled, centered supports holding an upper standard along which the upper edge of the net wall resiliently attaches. A similarly attached lower standard draws down the lower edge of the net wall under tension determined by turnbuckle-and-chain connection with the ends of the base through fore-and-aft slip-and-lock closed channels affording the vertical-angle adjustment. Tension members at the ends of the standards stretch the net horizontally. A plastic apron affixed at regulation net height covers the base and wheels and skids support the base. Slip connectors and special brackets provide quick knock-down and set-up.

REFERENCES:
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patent: 2021106 (1935-11-01), Johnson
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patent: 3180643 (1965-04-01), Kallai
patent: 3205772 (1965-09-01), Guske
patent: 3328033 (1967-06-01), Hendry
patent: 3427026 (1969-02-01), Mahoney
patent: 3563544 (1971-02-01), Hedrick
patent: 3836144 (1974-09-01), Mahoney
patent: 3918717 (1975-11-01), Zak

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