Packing nut lock and access bore cover locking assembly
US8402880B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Jan 24, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49963
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A retaining system for securing a closure at an installed position within a bore. The bore being in a portion of a housing and having screw threads along at least a portion thereof. The closure having an internally threaded hold extending therein. The closure in the installed position closes the bore. The retaining system comprising a retaining cover for obstructing removal of the closure from the bore. The retaining cover being receivable in the bore in a position generally adjacent the closure. The retaining cover having external threads interengageable with the screw threads of the bore such that the cover is rotatable relative to the housing in a tightening direction for movement of the cover into the bore toward the closure and rotatable in an opposite, loosening direction for movement of the cover out from the bore away from the closure. The cover having a central axis of rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.