GB1204373A - Conveyor advancing devices for use in mines - Google Patents
Conveyor advancing devices for use in minesInfo
- Publication number
- GB1204373A GB1204373A GB1506567A GB1506567A GB1204373A GB 1204373 A GB1204373 A GB 1204373A GB 1506567 A GB1506567 A GB 1506567A GB 1506567 A GB1506567 A GB 1506567A GB 1204373 A GB1204373 A GB 1204373A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conveyor
- mines
- base
- mine
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005065 mining Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
1,204,373. Anchor supports for mine conveyors. DOWTY MINING EQUIPMENT Ltd. 19 March, 1968 [3 April, 1967], No. 15065/67. Heading E1P. In an anchor support for a mine conveyor 34 comprising a box-like base 11, 12 having a pivotal, double-acting jack 27 therein the latter is coupled to the conveyor .by a beam having bearing, surfaces 35, 36, 37, 38 arranged as shown which to-gether with the pivotal connection of the beam to the jack and to the conveyor allows relative tilting movement therebetween to accommodate floor uneveness. The base is provided with bearing plates 21, 22. For minor modifications the Specification should be referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1506567A GB1204373A (en) | 1967-04-03 | 1967-04-03 | Conveyor advancing devices for use in mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1506567A GB1204373A (en) | 1967-04-03 | 1967-04-03 | Conveyor advancing devices for use in mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1204373A true GB1204373A (en) | 1970-09-09 |
Family
ID=10052412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1506567A Expired GB1204373A (en) | 1967-04-03 | 1967-04-03 | Conveyor advancing devices for use in mines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1204373A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234452A1 (en) * | 1972-07-13 | 1974-01-31 | Gewerk Eisenhuette Westfalia | TRAVELING HYDRAULIC EXTENSION, PARTICULAR SHIELD EXTENSION |
-
1967
- 1967-04-03 GB GB1506567A patent/GB1204373A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234452A1 (en) * | 1972-07-13 | 1974-01-31 | Gewerk Eisenhuette Westfalia | TRAVELING HYDRAULIC EXTENSION, PARTICULAR SHIELD EXTENSION |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |