Composite shaft having integrally molded functional feature and

Details Composite shaft having integrally molded functional feature and Composite shaft having integrally molded functional feature and

1993-01-04

1996-07-23

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Shafting

Nonmetalic shaft or component

F16C 302

Patent

active

055384757

ABSTRACT:
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, the tubular shell like member having a helical pattern cut through from the inside surface to the outside surface in that portion adjacent the at least one aperture gate and underneath the at least one functional feature to enable the portion to be flexible and deformable when placed under pressure against a surface.

REFERENCES:
patent: 1987316 (1935-01-01), Zimmer
patent: 2869339 (1959-01-01), Drake
patent: 3390546 (1968-07-01), Jewell
patent: 3537275 (1970-11-01), Smith
patent: 3553978 (1971-01-01), Williams
patent: 3716612 (1973-02-01), Schrenk et al.
patent: 4063429 (1977-12-01), Wilson
patent: 4380442 (1983-04-01), Amsel
Soviet Patent abstract, Derwent Publication Ltd. SA-A-1566 007 (Krivorozhrudmash).

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