DE145212C - - Google Patents
Info
- Publication number
- DE145212C DE145212C DENDAT145212D DE145212DA DE145212C DE 145212 C DE145212 C DE 145212C DE NDAT145212 D DENDAT145212 D DE NDAT145212D DE 145212D A DE145212D A DE 145212DA DE 145212 C DE145212 C DE 145212C
- Authority
- DE
- Germany
- Prior art keywords
- drive
- falling weight
- weight
- pawl
- shaft
- 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.)
- Active
Links
- 210000003813 thumb Anatomy 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000002360 explosive Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/08—Operation of gates; Combined operation of gates and signals
- B61L29/18—Operation by approaching rail vehicle or train
- B61L29/22—Operation by approaching rail vehicle or train electrically
- B61L29/222—Operation by approaching rail vehicle or train electrically using conductor circuits with separate contacts or conductors
- B61L29/224—Operation by approaching rail vehicle or train electrically using conductor circuits with separate contacts or conductors using rail contacts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145212C true DE145212C (cs) |
Family
ID=412578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145212D Active DE145212C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145212C (cs) |
-
0
- DE DENDAT145212D patent/DE145212C/de active Active
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