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. 03, 2020
Filed:
Sep. 06, 2017
Georg Fischer Automotive (Kunshan) Co. Ltd., Kunshan, CN;
GF Casting Solutions Kunshan Co. Ltd., Kunshan, CN;
Abstract
A power take-off unit ring gear shaft, a method of manufacturing such a power take-off unit ring gear shaft and an apparatus comprising the power take-off unit ring gear shaft. The ring gear shaft of the invention has an annular shaft wall which surrounds a hollow inner cavity that extends throughout the entire gear shaft in an axial direction, and hollow portions are formed in the shaft wall. The invention realizes a lightweight product, helps to realize a lightweight entire vehicle, and meanwhile reduces machining areas, thus improving production efficiency of machining, reducing production cost of product, reducing labor intensity and improving productivity.