Composite shafts

Details Composite shafts Composite shafts

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 3/00 (2006.01) B29C 45/14 (2006.01) B29C 70/74 (2006.01) B29D 23/00 (2006.01) F16C 3/02 (2006.01) G03G 15/00 (2006.01) G03G 21/00 (2006.01)

Patent

CA 2051896

A shaft assembly comprising an elongated member having at least a portion which is hollow, tubular, shell like having an inside surface defining a shaft core and an outside surface defining a shaft functional surface, the shaft core being filled with a hardened, moldable material, and the shaft functional surface having at least one functional feature thereon, which is of hardened, moldable material integrally molded with the hardened, moldable material in the shaft core. In a preferred embodiment the shaft assembly is rotatable and has at least one molding aperture gate extending through the shaft from the inside surface to the outside surface which is filled with hardened, moldable material which connects the hardened material in the shaft core and functional feature.

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