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US 2010/0058889 A1Published application
Bicycle component and method for making such a component
AssigneeCampagnolo S.r.l.
InventorGiuseppe Dal Prá
Life of this patent
Estimating the term…
Abstract
A pedal crank for a bicycle comprising structural fibers incorporated in a matrix of polymeric material which has two seats in which two metal inserts are received. The seats have a mouth which opens onto the outer surface of the pedal crank and have a geometry such as to allow the insertion of the inserts from outside of the pedal crank.
Claims20
A bicycle component comprising a body made from structural fibers incorporated in a matrix of polymeric material, the body comprising:
- at least one seat having an opening therein, the opening comprising:
- a mouth at a first end of the opening;
- a base at a second end of the opening opposite the first end being of a size not greater than the size of the mouth end;
- and
- walls with cross-sections that do not increase from the mouth to the base;
- and
- at least one metal insert that engages the seat;
- wherein the body is adapted to mechanically couple with at least one element of a bicycle to transmit force.
5 more elements
A bicycle component, comprising:
- an elongate body of composite material formed of structural fibers in a polymeric matrix;
- at least one insert;
- at least one seat formed as an opening in the body that houses the at least one insert;
- and
- a coupling between the at least one seat and the at least one insert, the coupling comprising an outer surface of the at least one insert joined with an inner surface of the opening and having a first coupling zone wherein the outer surface and inner surface form an interference fit between the insert and the opening and a second coupling zone adjacent to the first coupling zone wherein an adhesive is interposed between the outer surface and the inner surface.
2 more elements
A bicycle crank arm comprising:
- a body of composite material formed of structural fibers in a polymeric matrix;
- at least one insert coupled with one of a pedal crank or a pedal;
- and
- at least one opening having an axial extension formed in the body and housing the at least one insert;
- wherein, a first coupling zone is defined between the body and the at least one insert along a first portion of the axial extension of the at least one opening, and a second coupling is defined zone between the body and the at least one insert along a second portion of the axial extension of the at least one opening, the body and the at least one insert being separated by a first distance in the first coupling zone, and a second distance that is greater than the first distance in the second coupling zone.
2 more elements
Dependencies are inferred from the claim text.