Locking mechanisms with deflectable washer members
US10125807B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Dec 26, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B35/041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fastener assembly includes a threaded member, a lock nut, and a lock washer. The threaded member has a pair of opposing flat sections formed in the threaded portion of the threaded member. The lock nut is configured to threadably engage the threaded member and includes a flange having a plurality of axially extending teeth. The lock washer includes a flat central portion with an aperture. The aperture has a pair of opposing flat inner surfaces configured to engage the opposing flat sections of the threaded member to rotationally fix the lock washer. The lock washer also includes at least one outer portion extending upward from the flat central portion at a predetermined angle. The outer portion includes a plurality of locking apertures configured to receive the plurality of axially extending teeth of the lock nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.