1989-01-12
1990-01-16
Apley, Richard J.
Undertaking
272134, 128 25R, A63B 2124
Patent
active
048938114
ABSTRACT:
An exercising machine which uses an electromagnet assembly as the resistance to be overcome in moving of the movable section of the exerciser relative to the fixed section of the exerciser. This electromagnetic assembly can be adjusted so that the force required to be overcome in moving of the movable section relative to the fixed section can be increased or decreased. The force encountered is maintained constant during moving of the movable section relative to the fixed section.
REFERENCES:
patent: 4296924 (1981-10-01), Anzaldua et al.
patent: 4456245 (1984-06-01), Baldwin
patent: 4518163 (1985-05-01), Bruder
patent: 4732381 (1988-03-01), Skowronski
patent: 4751440 (1988-06-01), Dang
patent: 4778175 (1988-10-01), Wucherpfennig et al.
Apley Richard J.
Cheng, Jr. Joe H.
Munro Jack C.
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