Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Patent
1998-06-26
2000-05-16
Donnelly, Jerome
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
482124, 482130, A63B 2104
Patent
active
060630124
ABSTRACT:
A portable exercise device that uses a single centrally located bungee to provide equal tension on both sides of a user's back. A seat attachment strap secures the device to a seat back. In one embodiment, an optional pad worn by the user is secured to a tension strap which is attached at its ends to the bungee. The tension strap is held in place on the seat attachment strap by retaining straps mounted on the seat attachment strap. To exercise the abdominal muscles, the user leans forward causing the single tension cord to exert equal pressure on the side straps thereby exercising the abdominal muscles. By reversing position, the user may exercise back muscles by leaning backward, or exercise chest and arm muscles by pushing against the seat back with the user's arms. An alternative embodiment uses a chest strap that is centrally attached to the tension strap by a centrally located attachment strap. Another alternative embodiment attaches the tension strap directly to the chest strap. Yet another embodiment attaches the bungee directly to the seat attachment belt and the chest strap, eliminating the tension straps. In this embodiment, the tension cord is centrally attached between the user and the seat back. The exercise device can also be used in conjunction with push-up handles to exercise the user's arms and chest.
REFERENCES:
patent: 4327909 (1982-05-01), Neufeld
patent: 5141482 (1992-08-01), Hern
patent: 5203754 (1993-04-01), Maclean
patent: 5558609 (1996-09-01), Olschansky
Berkowitz Eric
Paul Lisa
Donnelly Jerome
Smith John C.
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