Rail repair device
US5351516A · kind A · utility
8Cited by
9References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1991 |
| Grant date | Oct 4, 1994 |
| Priority date | — |
| Expiry date | Aug 14, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B31/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An adjustable elevator rail repair device (14) is provided with a means for forcing raised damaged areas (18) of an elevator rail (10) back into the corresponding depressions (20) of the rail surface (9). The forcing means comprises a roller (24) rotatably mounted within a wedge (22), adjustably positioned in a housing (16). A method is disclosed for repairing the damaged rail (10) comprising a calculating step to determine the amount of adjustment necessary for the rail repair device (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.