Twist stationary bike

Exercise devices – Involving user translation or physical simulation thereof – Bicycling

Reexamination Certificate

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Reexamination Certificate

active

07427255

ABSTRACT:
A twist stationary bike of a fitness equipment including a pedal driven vertical shaft provided on the bike frame, a turning bar located on a top of the shaft, a seat pivotally connected to an end of the turning bar for a user to sit on and to step on pedals to revolve the vertical shaft for naturally twisting the waist and swinging the buttock of the user to achieve a fitness purpose.

REFERENCES:
patent: 4711447 (1987-12-01), Mansfield
patent: 5035418 (1991-07-01), Harabayashi
patent: 5908373 (1999-06-01), Pitre
patent: 5931765 (1999-08-01), Huang
patent: 5967610 (1999-10-01), Lin
patent: 6793609 (2004-09-01), Fan

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