FR622169A - Mode for automatically or semi-automatically actuating the needles of tram tracks - Google Patents

Mode for automatically or semi-automatically actuating the needles of tram tracks

Info

Publication number
FR622169A
FR622169A FR622169DA FR622169A FR 622169 A FR622169 A FR 622169A FR 622169D A FR622169D A FR 622169DA FR 622169 A FR622169 A FR 622169A
Authority
FR
France
Prior art keywords
automatically
needles
semi
mode
actuating
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
Pierre-Jacques Jaillon
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 FR622169A publication Critical patent/FR622169A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L11/00—Operation of points from the vehicle or by the passage of the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR622169D 1926-09-23 1926-09-23 Mode for automatically or semi-automatically actuating the needles of tram tracks Expired FR622169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR622169T 1926-09-23

Publications (1)

Publication Number Publication Date
FR622169A true FR622169A (en) 1927-05-24

Family

ID=8985653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR622169D Expired FR622169A (en) 1926-09-23 1926-09-23 Mode for automatically or semi-automatically actuating the needles of tram tracks

Country Status (1)

Country Link
FR (1) FR622169A (en)

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