FR454577A - Interlocking signal system for crossing tracks - Google Patents

Interlocking signal system for crossing tracks

Info

Publication number
FR454577A
FR454577A FR454577A FR454577DA FR454577A FR 454577 A FR454577 A FR 454577A FR 454577 A FR454577 A FR 454577A FR 454577D A FR454577D A FR 454577DA FR 454577 A FR454577 A FR 454577A
Authority
FR
France
Prior art keywords
signal system
interlocking signal
crossing tracks
tracks
crossing
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
FR454577A
Other languages
French (fr)
Inventor
Samuel Clement Perry
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 FR454577A publication Critical patent/FR454577A/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)
  • Optical Filters (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR454577A 1912-02-17 1913-02-19 Interlocking signal system for crossing tracks Expired FR454577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191204044T 1912-02-17

Publications (1)

Publication Number Publication Date
FR454577A true FR454577A (en) 1913-07-08

Family

ID=32570337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR454577A Expired FR454577A (en) 1912-02-17 1913-02-19 Interlocking signal system for crossing tracks

Country Status (2)

Country Link
FR (1) FR454577A (en)
GB (1) GB191204044A (en)

Also Published As

Publication number Publication date
GB191204044A (en) 1913-02-13

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