FR514451A - Safety device for railways - Google Patents

Safety device for railways

Info

Publication number
FR514451A
FR514451A FR514451A FR514451DA FR514451A FR 514451 A FR514451 A FR 514451A FR 514451 A FR514451 A FR 514451A FR 514451D A FR514451D A FR 514451DA FR 514451 A FR514451 A FR 514451A
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
FR514451A
Other languages
French (fr)
Inventor
Henri Nolla
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.)
HENRI NOLLA
Original Assignee
HENRI NOLLA
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 HENRI NOLLA filed Critical HENRI NOLLA
Application granted granted Critical
Publication of FR514451A publication Critical patent/FR514451A/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)
FR514451A 1920-04-23 1920-04-23 Safety device for railways Expired FR514451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR514451T 1920-04-23

Publications (1)

Publication Number Publication Date
FR514451A true FR514451A (en) 1921-03-11

Family

ID=8914178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514451A Expired FR514451A (en) 1920-04-23 1920-04-23 Safety device for railways

Country Status (1)

Country Link
FR (1) FR514451A (en)

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