Patent · US Expired

Drive shaft assembly

US4540305A · kind A · utility

8Cited by

7References

2Claims

0Family size

Assignee

Jean Walterscheid GmbH · DE

Inventors

Hubert Geisthoff · Lohmar, DE
Jurgen Vollmer · Buggingen, DE
Paul Herchenbach · Ruppichteroth, DE

Key dates

Filing date	Jan 20, 1984
Grant date	Sep 10, 1985
Priority date	—
Expiry date	Jan 20, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T403/7032
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A drive shaft assembly including a pair of telescoping drive shaft parts one adapted to fit within the other having a tapered member on the one drive shaft part which extends outwardly therefrom and which is retractable against the force of a spring. An introducing funnel is provided on the other drive shaft part to guide insertion of the one drive shaft part and the two drive shaft parts are formed with a profile having a generally lemon-like shape with a pair of opposed radially extending beads. The one drive shaft part is formed within the areas between said beads with an axial cutout and a guide piece is provided on the other drive shaft part for guiding the one drive shaft part into engagement therewith, the guide piece having associated therewith an introducing inclination which is directed to extend opposite to the direction of rotation of the drive shaft assembly.

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