Patent ID: 7670230
Filing Date: 2010-03-02
Classification: A61H,A63B

Abstract:
1. A balance training apparatus comprising: a base connected to a base board which has two first blocks connected on two side of a top thereof and two second blocks respectively mounted on the two first blocks; a driving device having a power source, a swing portion, an active portion driven by the power source and a passive portion which is driven by the active portion; a seat portion connected to the swing portion which has two first recesses and two second recesses, two first support frames each having a third recess which is located corresponding to respective one of the two first recesses, two second support frames each having a fourth recess which is located corresponding to respective one of the two second recesses, the active portion and the passive portion respectively engaged with the first and second support frames; the active portion having a first axle which extends through two respective through holes of two eccentric wheels and is driven by the power source, the two eccentric wheels engaged with spaces enclosed by the first and second recesses and the third and fourth recesses, the active portion being moved about the first axle in an oval path; the passive portion having a second axle which includes a straight section and two bearing are mounted to the straight section so that the straight section is rotatably engaged between the first and second recesses of the swing portion and the third and fourth recesses of the first and second support frames, two crank portions connected to two ends of the straight section of the second axle and two distal ends of the two crank portions rotatably engaged with the first and second blocks.