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US 6,478,128 B2Granted
Redundant freewheeling bicycle apparatus and method
OwnerAnthony G. Taylorinventor
Life of this patent
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Abstract
A hub and methods of propulsion thereof are disclosed wherein fail safe engagement is provided for particular components of a hub assembly. Preferred embodiments may provide for a secondary pressure spring which provides redundancy to a first pressure spring to ensure engagement of particular drive elements. Additional preferred embodiments may provide back-up drive elements as a replacement for drive elements of the hub.
Claims108
A freewheeling bicycle apparatus comprising:
- a. an encasing;
- b. an axle element to which said encasing is responsive;
- c. a disengagable drive assembly having a unitary disengagable drive element;
- and
- d. a fail safe engagement element which engages said unitary drive element.
2 more elements
A method of propelling a bicycle comprising the steps of:
- a. encasing a drive mechanism;
- b. guiding said drive mechanism about an axle element;
- c. unitarily engaging said drive mechanism in a manner in which a bicycle wheel responds to propel said bicycle;
- and
- d. at least temporarily fail safe engaging said drive mechanism in a manner in which said bicycle wheel responds.
2 more elements
Dependencies are inferred from the claim text.