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 directionInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
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.
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)
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 |
-
1976
- 1976-02-02 FR FR7602726A patent/FR2339706A1/en active Granted
Cited By (2)
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 |