Swivel hook
US5398389A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1994 |
| Grant date | Mar 21, 1995 |
| Priority date | — |
| Expiry date | Apr 12, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S24/905
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A swivel hook comprises a hook body including a housing body having a housing chamber which has a opening facing toward a side thereof and a pair of overhangs formed in opposed inner surfaces of the housing chamber, a hook proper provided on the housing body, a latch member mounted on the housing body and being movable into or out of engagement with the hook proper and biasing means mounted on the housing body for normally biasing the latch member causing it to come into engagement with the hook proper; an annular link having a connecting axle provided on one side thereof, the connecting axle having an enlarged head formed on its distal end, the connecting axle rotatably mounted in the housing chamber through the opening with the enlarged head engaging the overhangs; and a plug member closing the opening, thus confining the enlarged head in the housing chamber so that the connecting ring is pivotally and retentively mounted on the hook body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.