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:
Oct. 24, 2000
Filed:
Feb. 05, 1999
Michael Antonio Ciavaglia, Dearborn, MI (US);
Joseph Michael Johnson, Huntington Woods, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A power operating system for opening and closing a vehicle liftgate has a pair of drive units supported on the vehicle roof and connected to the liftgate for opening and closing the liftgate. Each drive unit includes a planetary gear set that has a sun gear, at least one planet gear and a partial ring gear. The sun gear which is located on the pivot axis is driven by a reversible electric motor. The planet gears are rotatably mounted on a carrier that is attached to the hinge portion that moves with the lift gate and the partial ring gear is attached to the hinge portion that is fixed on the vehicle body.