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.:

US 8508170 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 13, 2013

Filed:

Sep. 02, 2010
Applicant:

Marian Bochen, Eitelborn, DE;

Inventor:

Marian Bochen, Eitelborn, DE;

Assignee:

Stabilus GmbH, Koblenz, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A driving device for a hatch in a vehicle, with a housing tube connected to a base part or to a movable structural component part, a protective tube connected to the movable structural component part or to the base part, a spindle drive having a threaded spindle and a spindle nut arranged on the threaded spindle by which the housing tube and the protective tube are movable axially relative to one another. A rotary drive drives the spindle drive in rotation includes at least one electric motor. The driving device has a safety circuit that causes a braking effect on the rotary drive when the rotary drive is deactivated and when extraneous forces are introduced into the driving device from the outside.


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