Jawed fifth wheel hitch
US8827298B2 · kind B2 · utility
4Cited by
24References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Dec 28, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D53/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Jaws of a fifth wheel hitch have front arms that overlap each other. The jaws are linked for simultaneous movement at the same speed and corresponding positions when closing around the kingpin, and a pawl holds the jaws closed. A handle moves a pawl to unlock the hitch to allow ejection of the kingpin, and once the jaws are open the pawl holds them open. A position indicator is linked both to the handle and to one of the jaws. The position indicator moves between three indications: locked, unlocked and open.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.