Hitch ball mount
US9327564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2011 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D1/155
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hitch device for a trailer mount is provided. The hitch device includes a mounting portion, a receiver sleeve receiving the mounting portion, wherein the receiver sleeve includes a cross-section having a quadrilateral shape. In one aspect, the mounting portion includes a plurality of walls, wherein each of the walls projects towards internal corners of the receiver sleeve. In another aspect, the walls includes a concave portion and a convex portion. In yet another aspect, a center distance between each of first center portions of a first pair of opposing walls is less than an edge distance between each of two first edge portions, and a second center distance between each of second center portions of a second pair of opposing walls is less than a second edge distance between each of two second edge portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.