Weld-on barrel hinge
US7730581B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 10, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Jan 13, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05D11/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A weld-on barrel hinge having a female barrel portion and two male barrel portions for hinging together two items. The cylindrical female barrel portion has an axial bore formed therethrough. The cylindrical female barrel portion is welding to a first item. The male barrel portions have a cylindrical main body portion and a pin extension that is sized to be rotatably received within the axial bore of the female barrel portion. A passageway formed in at least one of the male barrel portions has a first end that opens in the cylindrical main body portion, and at least one second end that opens in the pin extension. The male barrel portions are inserted in the female barrel portion and are welded to a second item. A lubricant fitting is affixed to first end of the passageway in the at least one male barrel portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.