FR2339706A1 - Rail track points for crane support - have blade sliding on straight line at right angles to track direction - Google Patents

Rail track points for crane support - have blade sliding on straight line at right angles to track direction

Info

Publication number
FR2339706A1
FR2339706A1 FR7602726A FR7602726A FR2339706A1 FR 2339706 A1 FR2339706 A1 FR 2339706A1 FR 7602726 A FR7602726 A FR 7602726A FR 7602726 A FR7602726 A FR 7602726A FR 2339706 A1 FR2339706 A1 FR 2339706A1
Authority
FR
France
Prior art keywords
track
right angles
blade
points
rail
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.)
Granted
Application number
FR7602726A
Other languages
French (fr)
Other versions
FR2339706B3 (en
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.)
ABBAYE ATEL CONST
Original Assignee
ABBAYE ATEL CONST
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 ABBAYE ATEL CONST filed Critical ABBAYE ATEL CONST
Priority to FR7602726A priority Critical patent/FR2339706A1/en
Publication of FR2339706A1 publication Critical patent/FR2339706A1/en
Application granted granted Critical
Publication of FR2339706B3 publication Critical patent/FR2339706B3/fr
Granted 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/12—Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges

Abstract

The rail track points are for a track supporting the travel wheels of, in particular, a lifting mechanism or grantry crane. They incorporate a blade (7) sliding along a straight path at right angles to the direction of the track. The blade may be formed by a triangular component of very oblong and tapering section, each side of the triangle being parallel to the path followed by the opposite rail head. The points may be used on track formed by two symmetrical rail heads separated by a groove in which the wheel flange runs, the heads bifurcating, while the blade occupies the apex of the bifurcation point.
FR7602726A 1976-02-02 1976-02-02 Rail track points for crane support - have blade sliding on straight line at right angles to track direction Granted FR2339706A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7602726A FR2339706A1 (en) 1976-02-02 1976-02-02 Rail track points for crane support - have blade sliding on straight line at right angles to track direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602726A FR2339706A1 (en) 1976-02-02 1976-02-02 Rail track points for crane support - have blade sliding on straight line at right angles to track direction

Publications (2)

Publication Number Publication Date
FR2339706A1 true FR2339706A1 (en) 1977-08-26
FR2339706B3 FR2339706B3 (en) 1978-10-20

Family

ID=9168622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602726A Granted FR2339706A1 (en) 1976-02-02 1976-02-02 Rail track points for crane support - have blade sliding on straight line at right angles to track direction

Country Status (1)

Country Link
FR (1) FR2339706A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343150A2 (en) * 1988-05-20 1989-11-23 VOEST-ALPINE Eisenbahnsysteme Gesellschaft m.b.H. Switch including a frog comprising a principal and a secondary movable tongue

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343150A2 (en) * 1988-05-20 1989-11-23 VOEST-ALPINE Eisenbahnsysteme Gesellschaft m.b.H. Switch including a frog comprising a principal and a secondary movable tongue
EP0343150A3 (en) * 1988-05-20 1990-06-13 Voest-Alpine Maschinenbau Gesellschaft M.B.H. Switch including a frog comprising a principal and a secondary movable tongue

Also Published As

Publication number Publication date
FR2339706B3 (en) 1978-10-20

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Legal Events

Date Code Title Description
TP Transmission of property