FR478091A - Oscillating needle for changing railway or tram tracks - Google Patents

Oscillating needle for changing railway or tram tracks

Info

Publication number
FR478091A
FR478091A FR478091DA FR478091A FR 478091 A FR478091 A FR 478091A FR 478091D A FR478091D A FR 478091DA FR 478091 A FR478091 A FR 478091A
Authority
FR
France
Prior art keywords
oscillating needle
tram tracks
changing railway
railway
changing
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
Mario Grimaldi
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 FR478091A publication Critical patent/FR478091A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • E01B7/08—Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR478091D 1915-03-19 1915-03-19 Oscillating needle for changing railway or tram tracks Expired FR478091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR478091T 1915-03-19

Publications (1)

Publication Number Publication Date
FR478091A true FR478091A (en) 1915-11-22

Family

ID=1515655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478091D Expired FR478091A (en) 1915-03-19 1915-03-19 Oscillating needle for changing railway or tram tracks

Country Status (1)

Country Link
FR (1) FR478091A (en)

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