Exercise balance trainer

Details Exercise balance trainer Exercise balance trainer

2005-03-29

2005-03-29

DeMille, Danton D. (Department: 3764)

Exercise devices

Support for entire body of user

Swivelled foot platform

C482S034000, C482S077000, C482S146000, C482S121000

Reexamination Certificate

active

06872175

ABSTRACT:
An exercise balance trainer includes a hard board and a resilient ball body connected to the board. The ball body has a first curved wall with a first rim, a second curved wall with a second rim connected fixedly to the first rim so as to define an air-receiving chamber between the first and second curved walls, and an annular flange connected to the board and a junction of the first and second rims. The first and second rims have the same diameter. The first curved wall has a maximum height that is not greater than one-half of the diameter of the first rim. The second curved wall has a maximum height that is not greater than one-third of the diameter of the second rim.

REFERENCES:
patent: 3604726 (1971-09-01), Tracy
patent: 3716229 (1973-02-01), Van Der Cleyen et al.
patent: 5765921 (1998-06-01), Chuang
patent: 6461285 (2002-10-01), Theunissen et al.

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