Rowing machine

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

Reexamination Certificate

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Details

C482S117000

Reexamination Certificate

active

11698236

ABSTRACT:
A rowing machine, which includes a machine base, which has two footrests arranged at the front side, a sliding track disposed at the top side, and two sidebars at two sides, two arm oars respectively pivoted to the side bars of the machine base through a respective universal joint, two adjustment screws mounted in the universal units for adjusting friction between a respective friction pad in each universal joint and the associating arm oars, and a sliding seat slidably mounted the sliding track for sitting by the player and lockable to the sliding track by an adjustment knob.

REFERENCES:
patent: 3912264 (1975-10-01), Busse et al.
patent: 4452448 (1984-06-01), Ausherman
patent: 4563000 (1986-01-01), Gall
patent: 4705268 (1987-11-01), Nadeau
patent: 4723774 (1988-02-01), Monforte
patent: 4762317 (1988-08-01), Camfield et al.
patent: 4867447 (1989-09-01), Johnson
patent: 5441469 (1995-08-01), Chern
patent: 5980435 (1999-11-01), Joutras et al.
patent: 6001046 (1999-12-01), Chang
patent: 7022052 (2006-04-01), Lai
patent: 2007/0099770 (2007-05-01), Yang

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