FR445143A - Safety device for railways - Google Patents

Safety device for railways

Info

Publication number
FR445143A
FR445143A FR445143DA FR445143A FR 445143 A FR445143 A FR 445143A FR 445143D A FR445143D A FR 445143DA FR 445143 A FR445143 A FR 445143A
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
Other languages
French (fr)
Inventor
Jean-Francois Ottavy
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.)
JEAN FRANCOIS OTTAVY
Original Assignee
JEAN FRANCOIS OTTAVY
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 JEAN FRANCOIS OTTAVY filed Critical JEAN FRANCOIS OTTAVY
Application granted granted Critical
Publication of FR445143A publication Critical patent/FR445143A/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)
FR445143D 1912-06-18 1912-06-18 Safety device for railways Expired FR445143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR445143T 1912-06-18

Publications (1)

Publication Number Publication Date
FR445143A true FR445143A (en) 1912-11-04

Family

ID=1486061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR445143D Expired FR445143A (en) 1912-06-18 1912-06-18 Safety device for railways

Country Status (1)

Country Link
FR (1) FR445143A (en)

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