Mechanical guns and projectors – Centrifugal – Mechanical
Reexamination Certificate
2005-03-08
2005-03-08
Ricci, John A. (Department: 3714)
Mechanical guns and projectors
Centrifugal
Mechanical
Reexamination Certificate
active
06863059
ABSTRACT:
A three-axis adjustment ball pitching machine includes an azimuth adjustment device, an elevation adjustment device, a strut, an angle adjustment device and a pitching assembly. The azimuth adjustment device includes a base on which the elevation adjustment device is rotatably mounted. The elevation adjustment device includes a body rotatably mounted on the base and an elevation adjustment assembly. The elevation adjustment assembly includes a pivot seat pivotally mounted in the body, a transitional cylinder movably mounted in the pivot seat to pivot the pivot seat, and a threaded leading rod rotatably mounted in the body and held in the transitional cylinder. The strut is attached to pivot seat. The angle adjustment device includes a mounting housing rotatably mounted on the strut. The pitching assembly is attached to the mounting housing of the angle adjustment device. Consequently, the pitching machine can throw balls in various desired trajectories.
REFERENCES:
patent: 3774584 (1973-11-01), Paulson
patent: 4325351 (1982-04-01), Yuasa
patent: 4583514 (1986-04-01), Nozato
patent: 5437261 (1995-08-01), Paulson et al.
patent: 6237583 (2001-05-01), Ripley et al.
patent: 6732724 (2004-05-01), Paulson et al.
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