Apparatus for conveying tennis balls to a ball-throwing machine

Details Apparatus for conveying tennis balls to a ball-throwing machine Apparatus for conveying tennis balls to a ball-throwing machine

1980-07-14

1981-09-08

Pinkham, Richard C.

Amusement devices: games

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

Target

12451A, 406 81, 406154, A63B 6100

Patent

active

042880742

ABSTRACT:
The apparatus comprises a wall (7) from which tennis balls (13) fall into a chute (8) fitted with lateral ramp sections (15, 16). The balls are carried along the chute by an endless conveyor (14) fitted with ball-entrainment (14). The balls are guided down a sloping section (18) at an end of the chute (14) by guides (19) and are then sucked along a flexible tube (11) to a rigid conduit (26). The conduit (26) has an end (21) of enlarged section fitted with a hinged closure flap (22) and an underpressure generating device (23).

REFERENCES:
patent: 1364404 (1921-01-01), Nygreen
patent: 3306613 (1967-02-01), Mainers
patent: 3911888 (1975-10-01), Horvet
patent: 3989246 (1976-11-01), Brown
patent: 4002334 (1977-01-01), Beaver
patent: 4021037 (1977-05-01), Torbet
patent: 4027646 (1977-08-01), Sweeton
patent: 4074905 (1978-02-01), High
patent: 4077386 (1978-03-01), Berliner
patent: 4207857 (1980-06-01), Balka, Jr.
patent: 4243288 (1980-11-01), Albrecht

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