Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Patent
1998-05-13
2000-06-20
Donnelly, Jerome
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
482128, 482127, A63B 2105
Patent
active
060772050
ABSTRACT:
A muscle strengthening apparatus comprising a first elongate member, a second elongate member, a feet securing member and a support member. The first and second elongate members have a pair of end portions. The feet securing member secures the feet of a user and is attached to an end of the first elongate member. The other end of the first elongate member has an engagement portion. The second elongate member is slidably engaged with the first elongate member. The axes of the first and second elongate members are substantially coaxial and the movement of the first and second elongate members is substantially linear. The apparatus further comprises a system for exerting a force on the first and second elongate members so as to urge the first and second elongate members in opposite directions. The support member is configured to contact the buttocks of the user and is attached to the other end of the second elongate portion. The apparatus further includes a spring disposed within the first and second elongate members wherein the spring urges the second elongate member in a direction away from the feet securing member.
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Diamond, Jr. John P.
Zarillo William A.
Donnelly Jerome
Nuzzo Raymond A.
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