Hydro pneumatic batting practice device and method

Details Hydro pneumatic batting practice device and method Hydro pneumatic batting practice device and method

1978-04-24

1980-01-29

Pinkham, Richard C.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

A63B 6940

Patent

active

041858212

ABSTRACT:
A batting practice device is disclosed which is a tubular elastomeric cylinder closed at both ends and having a mounting tube down the center with a bore capable of receiving a rope or other tension suspension member. A valve is provided for filling the interior portion of the closed end cylinder to a depth of 30% to 70% of the volume with a fluid such as water. The method contemplates providing a batter with such a structure, and repetitively swinging a bat against the subject device to simulate the resistance rebound effect of striking a ball.

REFERENCES:
patent: 291015 (1883-12-01), Rumsey
patent: 318766 (1885-05-01), Longden
patent: 565747 (1896-08-01), Hawthorne et al.
patent: 1708638 (1929-04-01), Smith
patent: 1817364 (1931-08-01), Goldsmith
patent: 2381394 (1945-08-01), Beach, Jr.
patent: 2561016 (1951-07-01), Ford et al.
patent: 2937872 (1960-05-01), Gilman
patent: 3266068 (1966-08-01), High
patent: 3386733 (1968-06-01), Russo et al.
patent: 3703285 (1972-11-01), Perry

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