Exercise apparatus

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance

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Details

482106, 482111, A63B 21075

Patent

active

053932854

ABSTRACT:
An exercise device for has a rigid body defining a chamber, at least one first fluid mass disposed to move within the chamber in response to movement of the rigid body during exercise, thereby increasing the effective mass of the device by dynamic movement of the fluid mass during rhythmic exercise, one or more handles for gripping of the device during exercise, and a set of one or more weight adjusting elements that can be removably attached in order to adjust the static base weight of the exercise device. Exercise devices may be constructed for use of one hand or two hands.

REFERENCES:
patent: 3334899 (1967-08-01), Bosko et al.
patent: 3756592 (1973-09-01), Johnson
patent: 3843117 (1974-10-01), Johnson
patent: 4218057 (1980-08-01), Wilson
patent: 4278248 (1981-07-01), Kifferstein
patent: 4378113 (1983-03-01), Piccini
patent: 4659078 (1987-04-01), Blome
patent: 4913422 (1990-04-01), Elmore et al.

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