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. 15, 2019
Filed:
Sep. 13, 2017
Rolls-royce Plc, London, GB;
Jason J Madge, Dursley, GB;
Jonathan P Bradley, Bristol, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
A planetary gear box assembly, comprises a sun gear and a plurality of planet gears in meshing engagement with the sun gear; the planet gears in meshing engagement with a ring gear which encircles the plurality of planet gears, each planet gear mounted for rotation in a planet carrier by means of a bearing pin wherein a bore in the planet carrier for receiving the bearing pin is parallel. The bearing pin includes a small axially tapered section adjacent one or both ends and the assembly further comprises a tapered sleeve configured to interference fit between a radially inner wall surface of the parallel bore and a radially outer surface of the or each axially tapered section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile