Sleighroad
US5012748A · kind A · utility
0Cited by
9References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 6, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Mar 6, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F9/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A sleighroad is disclosed including a wheelless transportation system with a locomotive including motorized horsehoofing thrusters for propelling a plurality of carriages equipped with ball thrust bearings for running on steel rails instead of using conventional carriage wheels and wherein the carriages include side-mounted roller thrust bearings operatively connected to side guard railings to keep the carriages on track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.