Carriage for traversing irregular surfaces
US5269544A · kind A · utility
21Cited by
15References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jan 22, 1993 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B7/083
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A carriage for traversing irregular surfaces, including a pair of extendable handles, a pair of skids to be operated by extending the handles, and a brake system for stopping the carriage on the flat floor of one of stairs whereby the carriage can smoothly slide along the traversed surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.