1984-10-26
1986-01-07
Hafer, Robert A.
Undertaking
A63B 6906
Patent
active
045630003
ABSTRACT:
An improved rowing apparatus has a back bearing surface coupled to the oar arms of the apparatus to maximize the rowing exercise. The bearing surface can be fixed to a seat back of a seat movably mounted on the frame of the apparatus. The seat back can be pivotably mounted to the seat to maximize the forces of the leg, back and arm muscles in the rowing exercise.
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Hafer Robert A.
Kramer Arnold W.
Sears, Roebuck and Co.
Winburn John T.
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