Exercise apparatus

Details Exercise apparatus Exercise apparatus

1990-08-20

1992-03-03

Apley, Richard J.

Undertaking

272124, 272 67, A63B 2106

Patent

active

050925881

ABSTRACT:
An exercise apparatus particularly for baseball pitchers for strengthening the pitching arm, the apparatus having a standard, regulation baseball axially secured to a shaft, the opposing end of the shaft having a weighted resistance, the baseball selectively rotatable on the shaft to permit the gripping of the baseball for adapting to different pitching grips, the user gripping the baseball and using a hammer-like action to engage the weighted resistance against a frictionally displaceable resistance such as a dowel or nail.

REFERENCES:
patent: 263887 (1882-09-01), Folk
patent: 1658108 (1928-02-01), Vaughn
patent: 3874660 (1975-04-01), Brether
patent: 4664373 (1987-05-01), Hait
patent: 4974836 (1990-12-01), Hirsh
Swingrite, Engineering Assoc. 1154-11th Ave, Green Bay, Wisc. 54304.

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