Convertible carriage
US4736959A · kind A · utility
39Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Oct 8, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S297/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A convertible carriage including a superstructure with a seat for carrying a person to be transported, and a number of wheels. The wheels are rollably supported by wheel support structure which is movably interconnected with the superstructure. The superstructure is rollably transportable when the wheel support structure and wheels are in an extended position. The carriage further includes a device for relocating the wheels concurrently between the extended position and a retracted position in the superstructure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.