US Patent 7806247 Coupling element in a motor vehicle gearbox

Patent 7806247 was granted and assigned to Volvo on October, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Volvo

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7806247

Patent Inventor Names

Magnus Lundberg0

Date of Patent

October 5, 2010

Patent Application Number

11306326

Date Filed

December 22, 2005

Patent Primary Examiner

‌

Richard M Lorence

Patent abstract

A coupling element, for example a coupling sleeve (1), having coupling teeth (2) which, over a part (2a) of their length, have a gradually diminishing cross-sectional profile, a so-called back rake. Over the part, the coupling teeth have a portion (7b) nearest the tooth root having a first pressure angle, which portion connects to a portion (7b) extending to the tooth tip and having a greater pressure angle than the former portion.