FR511396A - Safety device for railways - Google Patents

Safety device for railways

Info

Publication number
FR511396A
FR511396A FR511396A FR511396DA FR511396A FR 511396 A FR511396 A FR 511396A FR 511396 A FR511396 A FR 511396A FR 511396D A FR511396D A FR 511396DA FR 511396 A FR511396 A FR 511396A
Authority
FR
France
Prior art keywords
railways
safety device
safety
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
FR511396A
Other languages
French (fr)
Inventor
Leopold Maria
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR511396A publication Critical patent/FR511396A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR511396A 1920-03-09 1920-03-09 Safety device for railways Expired FR511396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR511396T 1920-03-09

Publications (1)

Publication Number Publication Date
FR511396A true FR511396A (en) 1920-12-23

Family

ID=8912336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511396A Expired FR511396A (en) 1920-03-09 1920-03-09 Safety device for railways

Country Status (1)

Country Link
FR (1) FR511396A (en)

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