Expandable coach having at least one expansion chamber
US5628541A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1995 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Jan 19, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60P3/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A coach, having an interior living space, which coach has at least one and no more than two expansion chambers. Each expansion chamber is formed as a box having top, side and bottom walls and one rear or front wall. The coach may be a trailer, an RV body disposed upon a truck chassis, or a recreational vehicle having a self-contained propulsion system. The coach may have instead of wheels as a support system, a series of vertical jacks or other support mechanism to thereby render the coach suitable for use as an office or an industrial facility. The coach features a spaced inner and outer wall construction and which may have no closing wall at the position at which the chamber is disposed. The chamber is adapted such that its sidewalls when in the retracted position are disposed between the inner and outer sidewalls of the living space. The expansion chamber sidewalls move from their respective first stowed inner disposition between the inner and outer wall rearwardly or forwardly depending upon the disposition of the expansion chamber to a second outer expanded position; and the top and bottom walls move from a stowed disposition beneath the top wall and beneath the floor of the l…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.