Locking apparatus
US10018009B2 · kind B2 · utility
1Cited by
39References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2015 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Feb 26, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B15/261
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus includes a blowout preventer housing, a ram movable within the blowout preventer housing. The apparatus further including a rod configured to move the blowout preventer ram and including an outer surface and a piston configured to move the rod. A friction assembly is configured to engage the outer surface of the rod and prevent movement of the rod and the ram when engaged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.