초록 ▼

A bicycle frame made essentially entirely of an integrally bonded composite structure throughout its main structural tubular members and at the joints securing these tubular members to each other. The tubular members, which have round and aero cross sections, and the joints are laid up using layers

A bicycle frame made essentially entirely of an integrally bonded composite structure throughout its main structural tubular members and at the joints securing these tubular members to each other. The tubular members, which have round and aero cross sections, and the joints are laid up using layers and strips of high strength resin-impregnated unidirectional carbon fiber fabric. A non-compressible filler material is added at the joints to support the carbon fiber fabric so that its outer surfaces are all non-concave wherever possible.

대표청구항 ▼

A bicycle frame comprising a top tube member composed essentially of resin-impregnated carbon fibers, a down tube member composed essentially of resin-impregnated carbon fibers, a head tube member, means for securing said tube members together at said head tube member as an integral high strength st

A bicycle frame comprising a top tube member composed essentially of resin-impregnated carbon fibers, a down tube member composed essentially of resin-impregnated carbon fibers, a head tube member, means for securing said tube members together at said head tube member as an integral high strength structure consisting essentially of a plurality of integrally bonded strips of unidirectional carbon fibers, each of said strips overlying at least a portion of one of said carbon fiber tubes and said head tube and being bonded in said structure by a high strength resin.