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:
Mar. 11, 2008
Filed:
Dec. 27, 2005
Robert Landskron, Monheim am Rhein, DE;
Michael Lingner, Düsseldorf, DE;
Arif Karadag, Solingen, DE;
Wilfried Beneker, Leichlingen, DE;
Robert Landskron, Monheim am Rhein, DE;
Michael Lingner, Düsseldorf, DE;
Arif Karadag, Solingen, DE;
Wilfried Beneker, Leichlingen, DE;
C. Rob. Hammerstein GmbH & Co. KG, Solingen, DE;
Abstract
A spindle gear for a motor vehicle seat adjusting device having a housing, a spindle nut, a spindle and a worm wheel. The spindle nut may have an external bearing surface and a bearing shell may include an internal bearing surface cooperating with the external bearing surface. The spindle nut may have a slide lacquer coat. The spindle nut may have an external bearing surface and a stop disk may be attached to the external bearing surface so as to surround it. A projection may engage a corresponding spindle nut recess. The housing may comprise at least two housing parts made of zinc diecasting. The external teeth of the spindle nut may form a globoidal gear. The external spindle nut teeth may have an outer diameter that is smallest in an axial center thereof and increases toward the axial end regions.