Automatic ball server

Details Automatic ball server Automatic ball server

1978-05-18

1980-06-17

Stouffer, Richard T.

Mechanical guns and projectors

Fluid pressure

124 41C, 124 50, F41F 104

Patent

active

042078571

ABSTRACT:
Automatic ball serving apparatus for serving, lobbing, volleying or smashing balls, such as tennis balls, for practice purposes wherein two cans or buckets are vertically stacked to form a lower generally cylindrical compressed air chamber and an upper generally cylindrical ball feed chamber, a ball firing barrel outside said lower bucket connected to both said ball feed chamber and to said compressed air chamber so that balls fed into said firing barrel will be fired therefrom by the compressed air in said lower chamber, and a stand for oscillating said apparatus while balls are being fired from said barrel so that the trajectories of different balls will lie in different directions.

REFERENCES:
patent: Re28096 (1974-08-01), Earle, Jr. et al.
patent: 3905349 (1975-09-01), Nielsen et al.
patent: 4027646 (1977-06-01), Sweeton
patent: 4046131 (1977-09-01), Clark et al.
patent: 4094294 (1978-06-01), Speer

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