Waist exercising device

Details Waist exercising device Waist exercising device

2009-08-06

2010-06-29

Donnelly, Jerome (Department: 3764)

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing inertial force resistance

C482S105000

Reexamination Certificate

active

07744510

ABSTRACT:
A waist exercising device has a waist cushion, a weight roundel and a centrifugal weight assembly. The weight roundel is mounted rotatably on the waist cushion and has a cavity defined in the weight roundel and a pivot shaft formed in the cavity. The centrifugal weight assembly is mounted in the cavity and has an arm and a weight. The arm is connected pivotally to the pivot shaft. The weight is connected to the arm and generates centrifugal force and has at least one detachable weight element. A beginner may use less weight elements and a skilled user more for tailored difficulty exercise.

REFERENCES:
patent: D418562 (2000-01-01), Pravitz et al.
patent: 6077194 (2000-06-01), Chang
patent: 6488614 (2002-12-01), Chang
patent: 6719675 (2004-04-01), Yu
patent: 7008356 (2006-03-01), Hung

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