GB192564A - Improvements in mine signalling apparatus - Google Patents
Improvements in mine signalling apparatusInfo
- Publication number
- GB192564A GB192564A GB1922A GB1922A GB192564A GB 192564 A GB192564 A GB 192564A GB 1922 A GB1922 A GB 1922A GB 1922 A GB1922 A GB 1922A GB 192564 A GB192564 A GB 192564A
- Authority
- GB
- United Kingdom
- Prior art keywords
- levers
- disc
- mine
- engine
- indicator
- 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
- 230000011664 signaling Effects 0.000 title abstract 2
- 230000033001 locomotion Effects 0.000 abstract 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/06—Applications of signalling devices
Landscapes
- Toys (AREA)
Abstract
192,564. Clay Cross Co., Ltd., and Strong, J. W. Jan. 3, 1922. Mine and colliery signals.-A mechanical device for clearing the indicator of a mine signalling apparatus immediately on the movement of the engine comprises two levers C<1> mounted side by side and provided with spring pawls c<1> which, when the levers are raised, lift corresponding arms A<1> which form part of a bellcrank lever whereof the arm A clears the indicator by pulling a wire or cord A<3>. The levers C<1> are raised when the engine starts by means of a beltdriven disc F<1> which carries four rollers g<1> spaced apart at 90‹ and arranged on the two sides of the disc, so that one pair of opposite rollers cooperates with each of the levers C<1>. When the Engine is at rest, one or other or both of the levers are in position to be effective as soon as motion begins. The levers are provided with dash-pots E, which prevent them from falling while the disc F' is rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1922A GB192564A (en) | 1922-01-03 | 1922-01-03 | Improvements in mine signalling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1922A GB192564A (en) | 1922-01-03 | 1922-01-03 | Improvements in mine signalling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB192564A true GB192564A (en) | 1923-02-08 |
Family
ID=9696909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1922A Expired GB192564A (en) | 1922-01-03 | 1922-01-03 | Improvements in mine signalling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB192564A (en) |
-
1922
- 1922-01-03 GB GB1922A patent/GB192564A/en not_active Expired
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