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:
Jul. 20, 1999
Filed:
Mar. 10, 1998
Georg Kwoka, Much, DE;
GKN Viscodrive GmbH, Lohmar, DE;
Abstract
A differential drive having a controllable locking device is loaded by a differential-speed-dependent actuating device. A rotatingly drivable differential carrier is supported in a drive housing and is provided with axle shaft bevel gears which are co-axially arranged therein and which are connectable by insertable axle shaft journals. A plurality of differential bevel gears are rotatably arranged on radial journals in the housing and each engage both axle shaft gears, with the axes of the journals of the differential bevel gears being positioned in a central plane of the differential carrier. A multi-plate coupling unit for locking purposes is arranged co-axially in the differential carrier relative to the central plane on a first side of the unit and with a pump unit for actuating purposes being arranged co-axially in the differential carrier relative to the central plane on a second side of the unit.