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. 24, 2020
Filed:
Jan. 05, 2018
United Technologies Corporation, Farmington, CT (US);
Armando Amador, Wethersfield, CT (US);
United Technologies Corporation, Farmington, CT (US);
Abstract
A spanner nut for a bearing compartment of an engine with a bearing stack on a first shaft that rotates about an engine centerline includes a body, a piloting hook connected to the body, a first threaded portion, and a channel formed by the piloting hook. The piloting hook includes first and second extensions. The first extension is connected to and extends radially inward from the body. The second extension is connected to and extends in an axial direction from the first extension. The second extension includes a radially outward facing surface. The first threaded portion is configured to engage with a second threaded portion on the end of the first shaft. The channel is configured to receive the end of the first shaft. The piloting hook is configured to draw the second extension radially outward as the spanner nut is compressed.