Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2005-08-23
2005-08-23
Luby, Matthew (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C280S275000, C280S284000
Reexamination Certificate
active
06932371
ABSTRACT:
A bicycle frame (10) having a rear passive suspension system configured to elastically deflect predominantly in a vertical direction under normal cycling loads so as to better isolate the rider from road-surface irregularities and roughness, while simultaneously maintaining or improving rigidity in other directions so as to preserve or improve handling. The frame (10) has a pair of upper chain stays (18) that control the rear wheel motion rigidly in five of the six degrees of freedom with stiffness comparable to existing road, cyclocross, hybrid, city, or hardtail mountain bicycle designs, while simultaneously allowing deflection of the tubular members and a significant amount of vertical movement of the rear wheel for ride compliance in order to improve comfort, handling, and safety.
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Luby Matthew
Roddy Kenneth A.
LandOfFree
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