Patent · US Expired

Composite expandable shaft

US5379964A · kind A · utility

27Cited by

6References

9Claims

0Family size

Assignees

Addax, Inc. · US
Goldenrod Corporation · US

Inventors

Alessio G. Pretto · Pawling, US
Louis J. Keester · Lincoln, US
Richard S. Hansen · Lincoln, US

Key dates

Filing date	Aug 10, 1993
Grant date	Jan 10, 1995
Priority date	—
Expiry date	Aug 10, 2013

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H75/2437
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

An expandable shaft of the slotted type made of a fiber and resin composite material. The shaft is fabricated by first forming the central cylindrical core and then forming the rails by pultrusion. The rails are then bonded to the outer surface of the core.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.