Trailer frame and independent wheels
US5649802A · kind A · utility
Inventor
Key dates
| Filing date | Jul 1, 1996 |
| Grant date | Jul 22, 1997 |
| Priority date | — |
| Expiry date | Jul 1, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60P3/1033
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A trailer frame and independent wheels including a stationary frame member with a tongue assembly attached and a pair of side bars with each side bar having a free end. Included is a movable frame member being positionable juxtapose the stationary frame member. The movable frame has a front bar and a pair of side bars and each side bar has a rear end. A pair of vertical supports project upwardly from an upper side of the movable frame member. A pair of wheel assemblies, with one each attached to one of the side bars of the movable frame member. Each wheel assembly having an axle arm with an interior end that is coupled between a pair of axle plates. The pair of axle plates are welded to the movable frame member and coupled to the free end of the stationary frame. A hub of each wheel assembly supports a tire rim with a tire. A pair of elongated suspension bands are provided. Each has an upper end bolted to the side bar of the movable frame and a lower end welded to the axle arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.