Land vehicles – Wheeled – Occupant propelled type
Patent
1997-10-28
2000-07-11
Hurley, Kevin
Land vehicles
Wheeled
Occupant propelled type
280247, B62M 116
Patent
active
060860782
ABSTRACT:
A rowing machine with a body frame assembly and actuated by a seated user. It includes a stabilizing wheel assembly with the ends of a pivotally mounted axle provided with wheels. A pivotally mounted front wheel assembly is designed for steering the machine and a rotably mounting rear wheel for supporting the bulk of the user's weight as it is transmitted the seat assembly to the frame of the machine and to the rear wheel. The steering mechanism includes a novel steering linkage rod connecting the fork supporting the front wheel and the pivotally mounted axle where the stabilizing wheel assembly is rotably mounted. The approximate distance from the pivoting axis of the front wheel to the point on which one end of the steering linkage is pivotally mounted corresponds to 3 inches. The length of the steering linkage rod is approximately 27 and 5/16 inches. The distance from the pivoting axis of the axle to which the stabilizing wheels are mounted to the point where the other end of the steering linkage is connected is 4 and 3/4 inches. These measurements have found to provide the optimum results and minor variations are contemplated to give substantially the same results, specially when the measurements are proportionally increased or decreased maintaining the same relationships.
REFERENCES:
patent: 1479887 (1924-01-01), Bitner
patent: 1503832 (1924-08-01), Hubbard
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patent: 3895825 (1975-07-01), Sink
patent: 4903857 (1990-02-01), Klopfenstein
patent: 5069469 (1991-12-01), Rodengrant et al.
patent: 5284355 (1994-02-01), Ishii
patent: 5492349 (1996-02-01), Ferez
patent: 5536029 (1996-07-01), Gramckow
Fischer Andrew J.
Hurley Kevin
Sanchelima J.
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