Plug for upper coupler of trailer
US11772438B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 2021 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Sep 18, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D1/015
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A plug for insertion into a through hole of a king pin coupler plate of a trailer includes a body defining two opposite axial directions and having a cylindrical, circular and continuous outer surface defining a perimeter. A plurality of pliable ears extend from the outer surface. The ears are each individually aligned in the axial directions. The ears each have a width that is less than ten percent of a distance around the perimeter of the outer surface of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.