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:
Sep. 10, 1985
Filed:
Jan. 20, 1984
Jean Walterscheid GmbH, Lohmar, DE;
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.