Lock washer
US10274003B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 2017 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | May 29, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49947
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A lock washer for releasably locking a fastener to an object is provided. The washer includes a body defining a bore configured for alignment with a bore disposed in the object. The bores are configured to receive a shank of the fastener and are disposed about a center axis along which the fastener extends. The washer further includes one or more fingers each having a first end coupled to the body and a second end configured to selectively engage a flat on either a head of the fastener or a nut. The finger is movable between a disengaged position wherein the second end of the finger is configured for disengagement from the flat and an engaged position wherein the second end of the finger is configured for engagement with the flat. The finger is biased towards the engaged position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.