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.

Date of Patent:
Feb. 12, 2002

Filed:

Dec. 07, 1999
Applicant:
Inventors:

Johan Bratthall, Saltsjo-Boo, SE;

Borje Stahl, Kista, SE;

Lars Ogren, Taby, SE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 3/901 ;
U.S. Cl.
CPC ...
F16L 3/901 ;
Abstract

The invention concerns a device for mutual locking of two concentric cylindrical parts such as parts to be used in a submersible pump unit. One outer part ( ) and two inner parts ( ) and ( ) are locked mutually by help of a circumferential locking element ( ) having resilient abilities and which is arranged at the intersectional point between the three parts ( ), ( ) and ( ).


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