FIELD: mining. SUBSTANCE: powered pneumatic support has two rows of pneumatic balloons with face and caving base beams articulated by links. Flexible traction members with sliders are located on inner base beams. Links are made adjustable in length. One end of each link is hinged to slider, and the other end is hinged to unit base. EFFECT: higher efficiency. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| POWERED PNEUMATIC SUPPORT | 1990 |
|
RU2030588C1 |
| PNEUMATIC POWERED SUPPORT | 0 |
|
SU1717841A1 |
| MECHANIZED PNEUMATIC SUPPORT | 2003 |
|
RU2244832C1 |
| POWERED PNEUMATIC ROOF SUPPORT | 2004 |
|
RU2267611C2 |
| MECHANIZED PNEUMATIC SUPPORT | 2005 |
|
RU2277173C1 |
| MECHANIZED PNEUMATIC SUPPORT | 2003 |
|
RU2247247C1 |
| POWERED PNEUMATIC SUPPORT | 0 |
|
SU1813879A1 |
| AIR-INFLATABLE SUPPORT | 0 |
|
SU1684513A1 |
| MECHANIZED PNEUMATIC SUPPORT | 2004 |
|
RU2260125C1 |
| PNEUMATIC-BALLOON SUPPORT | 0 |
|
SU1469169A1 |
