Ralph W Swanson

US Patent:

61685542, Jan 2, 2001

Filed:

Dec 23, 1997

Appl. No.:

8/997286

Inventors:

Steve W. Berg - Villa Park IL
Ralph Swanson - Downers Grove IL

International Classification:

A63B 2200

US Classification:

482 70

Abstract:

An attachment is provided for interchangeably converting a ski simulating machine into a rowing machine, the ski simulating machine having a frame, a pair of skis slidably mounted on the frame to move in forward and rearward directions on the frame and means mounted on the frame for providing resistance to the pair of skis during at least one of forward and rearward movement. The attachment includes a seat mounted for guided sliding movement with respect to the frame, foot support means mounted on the frame for bracing a user's feet when the user is sitting on the seat, and means for coupling the resistance providing means for application to a user's arm movement during a rowing exercise.