EP0178301A1 - Mittel zum befestigen einer schiene an einer schwelle. - Google Patents
Mittel zum befestigen einer schiene an einer schwelle.Info
- Publication number
- EP0178301A1 EP0178301A1 EP84902011A EP84902011A EP0178301A1 EP 0178301 A1 EP0178301 A1 EP 0178301A1 EP 84902011 A EP84902011 A EP 84902011A EP 84902011 A EP84902011 A EP 84902011A EP 0178301 A1 EP0178301 A1 EP 0178301A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- spring
- sleeper
- foot
- central part
- 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
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
- E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
- E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
Definitions
- the present invention relates to means for faste ⁇ ning a rail to a sleeper, comprising a steel spring of the general shape of the letter M, with its central part abutting against a rigid support, from the rail side, and with its branches extending onto the rail foot (base) .
- a rail fastening means of this kind is disclosed in the Finnish patent no. 53 336, in addition towhich a plurality of other structures are known, which comprise aresilient spring member to be tensioned between a rigid support and the rail foot.
- These prior structures have in common that the elastic spring member is only used for pressing the rail foot against the sleeper and additipnal means are used for supporting the rail lateral ⁇ ly.
- the prior rail fasteners are therefore comparatively complicated and expensive.
- the rail fastener according to the invention is mainly characterized in that the surface of the spring branches acting on the rail foot ends in a shoulder which limits the lateral movement of the rail. According to the invention the resiliency of the spring is thus used both for pressing the rail against the sleeper and for supporting the rail laterally.
- the cross section of the spring is of rectangular shape, and it is further preferable to arrange the central part of the spring to extend close to the rail foot, the distance being approximately two to three millimetres.
- the central part of the spring provides a secondary or reserve lateral support for the rail, for the case that either or even both M-branches slip due to deformation or any other reason, e.g. loosening of the anchoring
- Figures 1 and 2 show the rail fastener as mounted on one side of a rail, seen from above and as a partial cross section, respectively.
- Figures 3 and 4 show the spring seen from the side and from above.
- the rail to be fastened of which a part only is visible in figures 1 and 2, is denoted by reference nume ⁇ ral 1 and its foot or base by numeral 2.
- 3 denotes a sleeper made of e.g. concrete
- 4 denotes a resilient sheet larger between the rail foot and the sleeper.
- in the sleeper is rigidly anchored a screw 5 which by means for a shoulder or flange 6 tensions a resilient spring member 7 against the rail foot 2.
- the spring is preferably formed of a steel bar bent to the general shape of the letter M (or ) .
- the central part 8 of the spring 7 runs between the rail foot 2 and the screw 5 whereas the screw provides a stop for the spring in the direction away from the rail, and the ends of the spring branches extend onto the rail foot 2 and press the latter against the sheet layer 4 and sleeper 3. in addition to pressing the rail foot against the sleeper, the spring 7 also limits the latual movement of the rail by means for a shoulder 14 formed in the surface 13 pressing against the rail foot, in each of the M-branch- es 10 and 11. Since there is one shoulder 14 on each side of the central part 8 of the spring held by the screw 5, ' the spring 7 will not turn and the screw prevents the spring form yielding laterally more than what is permitted by the resiliency of the areas between the branches 9 and 10.
- the rail fastening arrangement here suggested has the major advantage of being very simple in structure and
- OMPI thus of being cheap, and this is accomplished by using the resiliency of the spring 7 both for pressing the rail foot against the sleeper and for supporting the rail laterally.
- the shoulders 14 of the two spring branches 9 and 10 provide the necess ⁇ ary lateral support.
- the screw 5 may loosen or the spring 7 may be deformed, due e.g. to a difficult climate with severe winters, whereupon either of or both shoulders 14 may slip or yield too much.
- it is preferably to have a spring of rectangular cross-section and to have the cent ⁇ ral part 8 of the spring to run at a close distance, e.g. 2 to 3 mm, to the edge of the rail foot.
- the central part 8 of the spring 7 provides an efficient reserve late- ral support for the rail.
- the spring 7 may as well be of circular cross-section, which saves some material over a rectangular cross section, - but on the other hand a spring of rectangular cross section is easier to manufactureand providesamore efficient se- condary lateral support.
- a packing 15 may be placed under the central part 8 of the spring 7, and a further resilient intermediate packing, e.g. in one piece with the sheet layer 4, may still be positioned underneath the packing 15.
- the invention is not restricted to embodiment of the drawing only.
- the spring 7 need not be planar as seen from the side, and the branches of the spring may extend longer onto the rail foot.
- Another rail fastener is of course arranged at the other side of the rail.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84902011T ATE39142T1 (de) | 1983-05-30 | 1984-05-29 | Mittel zum befestigen einer schiene an einer schwelle. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI831935 | 1983-05-30 | ||
FI831935A FI72776C (fi) | 1983-05-30 | 1983-05-30 | Anordning foer faestande av en raels vid en syll. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0178301A1 true EP0178301A1 (de) | 1986-04-23 |
EP0178301B1 EP0178301B1 (de) | 1988-12-07 |
Family
ID=8517287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84902011A Expired EP0178301B1 (de) | 1983-05-30 | 1984-05-29 | Mittel zum befestigen einer schiene an einer schwelle |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0178301B1 (de) |
JP (1) | JPS60501464A (de) |
KR (1) | KR850001347A (de) |
AT (1) | AT384635B (de) |
AU (1) | AU562566B2 (de) |
BR (1) | BR8407145A (de) |
DE (1) | DE3475541D1 (de) |
DK (1) | DK39285A (de) |
ES (1) | ES288818Y (de) |
FI (1) | FI72776C (de) |
GB (1) | GB2158859B (de) |
IT (1) | IT1174562B (de) |
SE (1) | SE8505619D0 (de) |
SU (1) | SU1421262A3 (de) |
WO (1) | WO1984004766A1 (de) |
ZA (1) | ZA844059B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230810A (en) * | 1989-04-28 | 1990-10-31 | Pandrol Ltd | Rail fastening clip |
IN185922B (de) * | 1991-12-18 | 2001-05-19 | Pandrol Ltd | |
US5735458A (en) * | 1991-12-18 | 1998-04-07 | Pandrol Limited | Fastening railway rails |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1217531A (en) * | 1967-01-05 | 1970-12-31 | Johan Frederik Deenik | An arrangement for fixing a rail to a steel, concrete or wooden sleeper |
JPS5617525Y2 (de) * | 1977-01-31 | 1981-04-23 |
-
1983
- 1983-05-30 FI FI831935A patent/FI72776C/fi not_active IP Right Cessation
-
1984
- 1984-05-29 ZA ZA844059A patent/ZA844059B/xx unknown
- 1984-05-29 WO PCT/FI1984/000041 patent/WO1984004766A1/en active IP Right Grant
- 1984-05-29 ES ES1984288818U patent/ES288818Y/es not_active Expired
- 1984-05-29 AU AU29659/84A patent/AU562566B2/en not_active Ceased
- 1984-05-29 EP EP84902011A patent/EP0178301B1/de not_active Expired
- 1984-05-29 BR BR8407145A patent/BR8407145A/pt unknown
- 1984-05-29 IT IT21144/84A patent/IT1174562B/it active
- 1984-05-29 JP JP59502178A patent/JPS60501464A/ja active Pending
- 1984-05-29 GB GB08515422A patent/GB2158859B/en not_active Expired
- 1984-05-29 DE DE8484902011T patent/DE3475541D1/de not_active Expired
- 1984-05-29 AT AT0906784A patent/AT384635B/de not_active IP Right Cessation
- 1984-05-30 KR KR1019840003000A patent/KR850001347A/ko not_active Application Discontinuation
-
1985
- 1985-01-29 SU SU853853849A patent/SU1421262A3/ru active
- 1985-01-29 DK DK39285A patent/DK39285A/da not_active Application Discontinuation
- 1985-11-28 SE SE8505619A patent/SE8505619D0/xx not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO8404766A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES288818U (es) | 1986-01-16 |
GB2158859A (en) | 1985-11-20 |
SE8505619L (sv) | 1985-11-28 |
DK39285D0 (da) | 1985-01-29 |
SU1421262A3 (ru) | 1988-08-30 |
ATA906784A (de) | 1987-05-15 |
DK39285A (da) | 1985-01-29 |
AU562566B2 (en) | 1987-06-11 |
GB2158859B (en) | 1986-11-19 |
ES288818Y (es) | 1986-10-01 |
KR850001347A (ko) | 1985-03-18 |
ZA844059B (en) | 1985-01-30 |
FI831935A0 (fi) | 1983-05-30 |
SE8505619D0 (sv) | 1985-11-28 |
AU2965984A (en) | 1984-12-18 |
IT8421144A1 (it) | 1985-11-29 |
IT8421144A0 (it) | 1984-05-29 |
FI72776C (fi) | 1987-07-10 |
FI72776B (fi) | 1987-03-31 |
DE3475541D1 (en) | 1989-01-12 |
GB8515422D0 (en) | 1985-07-17 |
WO1984004766A1 (en) | 1984-12-06 |
AT384635B (de) | 1987-12-10 |
IT1174562B (it) | 1987-07-01 |
JPS60501464A (ja) | 1985-09-05 |
FI831935L (fi) | 1984-12-01 |
EP0178301B1 (de) | 1988-12-07 |
BR8407145A (pt) | 1985-10-08 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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