FR463033A - Safety device indicating to the mechanic if the way is free or occupied - Google Patents

Safety device indicating to the mechanic if the way is free or occupied

Info

Publication number
FR463033A
FR463033A FR463033DA FR463033A FR 463033 A FR463033 A FR 463033A FR 463033D A FR463033D A FR 463033DA FR 463033 A FR463033 A FR 463033A
Authority
FR
France
Prior art keywords
mechanic
occupied
free
way
safety device
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
Henri Friquet
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 FR463033A publication Critical patent/FR463033A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02Devices 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
    • B61L3/04Devices 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)
FR463033D 1913-09-27 1913-09-27 Safety device indicating to the mechanic if the way is free or occupied Expired FR463033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR463033T 1913-09-27

Publications (1)

Publication Number Publication Date
FR463033A true FR463033A (en) 1914-02-12

Family

ID=1502152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR463033D Expired FR463033A (en) 1913-09-27 1913-09-27 Safety device indicating to the mechanic if the way is free or occupied

Country Status (1)

Country Link
FR (1) FR463033A (en)

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