Ball throwing machine

Details Ball throwing machine Ball throwing machine

2007-07-03

2007-07-03

Ricci, John A. (Department: 3711)

Mechanical guns and projectors

Projectile impelled by coacting wheels

Reexamination Certificate

active

10550391

ABSTRACT:
The formation of a ball throwing machine is facilitated and the accuracy of the direction in which balls are thrown by the ball throwing machine is improved. The ball throwing machine (1) comprises a support body (4) mountable on the ground (3), a pair of rotary shafts (6, 6) supported by the support body (4) so that they are rotatable around their own parallel axes (5), and a pair of rotary wheels (7, 7) fixed on the rotary shafts (6) concentrically with the latter. A ball (2) fed between the outer peripheral surfaces (10, 10) of the two rotary wheels (7, 7) rotating in opposite directions (C, D) is nipped between the outer peripheral surfaces (10, 10) and accelerated and thrown outward. The support body comprises a support body main body (15) mountable on the ground (3), and a support pipe (16) supported by the support body main body (15) to linearly extend so as to support the rotary shafts (6) in a state in which the rotary shafts (6) extend through the support pipe (16) in a direction orthogonal to the longitudinal direction of the support pipe (16).

REFERENCES:
patent: 1204468 (1916-11-01), Marty
patent: 4423717 (1984-01-01), Kahelin
patent: 6152126 (2000-11-01), Smith et al.
patent: 6443140 (2002-09-01), Crews et al.
patent: 55-70173 (1980-05-01), None
patent: 60-25670 (1985-02-01), None
patent: 5-91755 (1993-12-01), None
patent: 2001-218883 (2001-08-01), None
International Search Report English Language Abstracts of the Above Japanese References.

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