FR572967A - Self-closing barrier for road crossings - Google Patents

Self-closing barrier for road crossings

Info

Publication number
FR572967A
FR572967A FR572967DA FR572967A FR 572967 A FR572967 A FR 572967A FR 572967D A FR572967D A FR 572967DA FR 572967 A FR572967 A FR 572967A
Authority
FR
France
Prior art keywords
self
road crossings
closing barrier
barrier
closing
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
Application number
Other languages
French (fr)
Inventor
Giovanni Gobbi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR572967A publication Critical patent/FR572967A/en
Expired legal-status Critical Current

Links

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
    • B61L29/226—Operation by approaching rail vehicle or train electrically using track-circuits, closed or short-circuited by train or using isolated rail-sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR572967D 1922-10-14 1923-10-13 Self-closing barrier for road crossings Expired FR572967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT572967X 1922-10-14

Publications (1)

Publication Number Publication Date
FR572967A true FR572967A (en) 1924-06-16

Family

ID=11288098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR572967D Expired FR572967A (en) 1922-10-14 1923-10-13 Self-closing barrier for road crossings

Country Status (1)

Country Link
FR (1) FR572967A (en)

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