Carriage especially for use in mines
US4006937A · kind A · utility
9Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1975 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Jan 31, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1967
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A carriage and drive mechanism for use in mines in which the drive engages a continuous chain and moves the carriage along a rack; including a chain deflecting device and chain guide members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.