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:
May. 18, 1976

Filed:

Apr. 30, 1975
Applicant:
Inventor:

Horst-Dieter Schafer, Willich, DT;

Assignee:

Ringfeder GmbH, Krefeld-Uerdingen, DT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25G / ; E21B / ; F16D / ;
U.S. Cl.
CPC ...
403 16 ; 403369 ; 403374 ;
Abstract

The connector includes a flanged clamping ring and an unflanged clamping ring. One ring is received within the other. Tightening screws tighten the connector by drawing the rings together in axial direction. Each ring has an inner and an outer surface. The inner surface of the outer ring and the outer surface of the inner ring are conical surfaces which engage each other when the rings are drawn together in axial direction. The other surface of at least one of the rings is a clamping surface adapted to engage with a clamp action a complementarily configurated surface of a shaft or collar when the rings are drawn together in axial direction. The unflanged ring at the axial end thereof facing towards the flange is provided, intermediate the inner surface of the unflanged ring and the outer surface of the unflanged ring, with an inclined conical intermediate surface. The flange has an inner surface which faces towards and is substantially parallel to the inclined conical intermediate surface of the unflanged ring.


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