The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 1992
Filed:
Mar. 09, 1989
Applicant:
Inventor:
Craig D Calfee, San Francisco, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62K / ; B62K / ;
U.S. Cl.
CPC ...
2802811 ; 264258 ;
Abstract
A bicycle frame manufactured of one or more continuous fiber composite tubes, wherein the tubes are joined to one another without lugs by overlaying the joints with resin impregnated continuous fiber composite material and clamping the joints in static pressure molds. Gussets are integrally formed as part of the joints. One or more of the tubes may be metal, preferably titanium. The bicycle frame is provided with metal drop outs which are also preferably titanium.