US1628882A - Switch-point guard - Google Patents

Switch-point guard Download PDF

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Publication number
US1628882A
US1628882A US127730A US12773026A US1628882A US 1628882 A US1628882 A US 1628882A US 127730 A US127730 A US 127730A US 12773026 A US12773026 A US 12773026A US 1628882 A US1628882 A US 1628882A
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guard
rail
base
tie
running rail
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US127730A
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Hoffman Paul
James B Strong
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RAMAPO AJAX Corp
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RAMAPO AJAX CORP
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    • 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
    • E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members

Definitions

  • the invention especially relates to a switchl point guard which is secured in braced position against the running rail without being Y bolted thereto; but which holds the guard against the running rail and prevents the latter from crowding away from the switch point.
  • Fig. 1 is a plan view of a portion of a railway switch embodying our invention
  • Fig. 2 is a plan' view of the guard on an enlarged scale
  • Fig. 3 is a side elevation of the guard shown in Fig. 2;.
  • Fig. 4 is a section on the line l-'Ll'ofy Fis 2;
  • Fig. 5 is Fig. 2;
  • Fig. 6 is a section on the line 6-6 of Fig. 2;
  • Fig. 8 is a plan View of a portion of a railway switch with a guard applied thereto embodying ay modified form of our tion;
  • Fig. 9 is a section. on the line 9 9 of Fig. 8. f l
  • the switch point guard is positioned on the outside of a running rail 10 opposite theswitch point 11 of a movable switch rail 12.
  • the guard 13 is of unitary construction; and may be made steel. It is of a length suiiicient to span oroverlie a plurality Aof ties 14, three being shown by way of illustration, in Fig. 1.
  • Tie plates recessed to receive ⁇ the basey 16 of the running rail extend outwardly therefrom a ⁇ substantial distance along the ties to support the base 17 ofthe guard 13.
  • Each tie plate may have a thickened end, l ⁇ 'i provided with a shoulder 17 As shown in Fig. lthere may be a slight clearance bef tween the base'of the rail and shoulder 17, due to variation 'in width of the rail base. As shown in Figs. 4l and ⁇ 7; the outerend ofv each tie -plate is provided with a. ledge or shoulder 18 preferably formed integral therewith and against which the base of the guard rail abuts. Holes 19 are provided for spiking the tie plates to the ties.
  • the web 20of the guard rail' has lugs 22 projecting therefrom at spaced intervals to fit within the fishing space of the rail 10.
  • the base ⁇ of the guard rail seats upon the tie plates 15 with the outer edge 23 of the base contacting the shoulder or ledge 18 of eachtie plate.
  • the base has a width sufficient to prevent overturning or moving; and is securedv to the tie by spikes 241 or other ysuitable means.
  • Lugs are formed integral with the guard rail to extend beneath and engage the under-side of the base of the running rail.
  • Each of said lugs maybe provided throughout its entire length with a reenforcing enlargement or rib 31.
  • the head 21 of the guard engages the side of the rail head 10 and its tread 33is flush with the top of the rail head 10.
  • the head is also provided with a vertical flange 34: projecting above the rail head.
  • Bracing ribs 35 extend from or near the top of the vertical flange 34 to or near the outer edge 23 ofthe base. Preferably a tie and tie plate are located beneath each of these bracing ribs to increase the rigidity of the structure.
  • the vertical flange 84 preferably extends parallel with the running rail for substantially half of its length and ter- 60 of any suitable material such as manganese minates in outwardly flaring portions l-l at the ends of the guard.
  • a modiied form of the guard is shown in S and in this'construction the eX- tension formed integral with the base of the guard rail does not extend outward sufii ciently to Acontact with the end of the 'tie plate, but is out off on a line diagonal to length, thereby formingawedge face 43.
  • wedge block Llei having a wedge face betweenftlie flange 18 on the tie plate and the end ofthe extension.
  • Said wedge block husa serrateduipper face lo has a slot 47, formedtherein to receive a bolt d8, on which 4is mounted a serrated ywasher 49 provided with means to interlock with the wedge plate.
  • a nut provides means for tighteuingthe lockingwasher in its adjusted position relative to the wedgefblocit so that the wedge bloclt is firmly held-in engagement ⁇ with the wedge face of the extension.
  • the rail base may have a slight variation in width, Vbut as shown in Fig. 9, the wedge plate holdsA it tight against'the shoulder 17.
  • rlhe adjustability oft-his construct-ion pre vents the lost motion common with tne use ofnoneadjustable rail braces, .which do not hold therail baseagainst the shoulder.
  • rlhis arrangement permits any slack between the guard rail andthe ruiming rail to be talren upso that Va greater variation is permissible in ⁇ manufacture, and alsopermits adjustment to be made from'time to time without reino-.*ingzany spikes or making 'additional bolt *Y aniexceptional .distance and in combination with' the bri-icing.
  • ribs which run to the head ofthe guard rail, and may extend up to the topaof the guard rail flange, provide an unusuallystrong,rigid and veFective means for preventing overturning or movement of the guard rail.
  • the spaced lugs on the guard rail which extend beneath the stock rail, providethe rigidity of a unitary structure, yet they permit horizontal movement of the guard rail and stock rail relative to each other while prevent-ing vertical or swinging movement between tlietwo rails. same .time the spaced lugs doA notinterfere withl theplacingof ⁇ the ties or theuse of tie plates, whichl mayy be of standard construction.
  • a guard rail structure comprising. a, movable switch point adjacent thereto, Y spaced lugs .engaging the under-side of the running rail and a Vrib integral with the guard rail spaced from said lug, said rib extending from the head ofthe guard rail to a point beyond the planepassing through the curved ends of the guard rail.
  • a guard rail structure comprising a movable switch point adjacent thereto, spaced ylugs engaging the under side ofthe running rail anda .rib integral with the guard rail spaced fromsaid lug, atie plate underlying said running rail and guard rail, said rib extending from the head of said guard approximately to the outer edge of said tie plate.
  • a guard rail structure comprising: a Y
  • guard rail integral'with the guard rail spaced from said lug, said guard rail comprising a base provided with a relatively wide extension, Vsaid rib extending from the head of the guardf rail approximately to the outer edge of said extension.
  • a guard rail structure comprising amovablev switchV pointl adjacent ⁇ thereto, spaced lugs engaging the under-side of the, running rail, and a plurality of ribs alternately positioned lengthwise of the guard rail, each ofsaid ribs extending from the head ofthe guard rail to' a point beyond thel plane passing through the curved endsof the guard rail.
  • Y 10 In railroad construction, the combination with a running rail, of a switch point guard having a base extension disposed on the outside of said running rail adjacent a switch point, a tie plate underlying said running rail and guard, the outer end of said tie plate being provided with an upstanding shoulder, the outer end of said base extension having a diagonal face, means for securing said Switchpoint guard to the running rail, comprising a wedge platemounted on said tie plate and arranged between said diagonal face and said shoulder, said plate having a roughened surface adapted to engage the corresponding surface on the wedge plate, 'and a bolt for holding the wedge plate and washer in adjusted position, said bolt being secured to said tie plate.
  • a guard member therefor, supporting means for said guard member comprising a base member and lugs separated from said base member and integral with said guard member, said lugs underlying said rail.
  • aguard member therefor', supporting means for vsaid guard member comprising a plurality Vof base members, said base members being disposed entirely on the outside vof saidrail, lugs integral with said guard member underlyingsaid rail, said -base members and said lugs being alternately disposed longitudinally of said guard member.
  • akguard member for said rail including a base portion, a tie plate underlying said guard member and said running rail, said tie plate being supported by said tie, and means for attaching said guard member to said rail comprising lugs spaced from said tie and underlying said rail.
  • a guard member therefor having a base portion, said base portion having a supporting flange entirely outside said rail, means for attaching said guard member to said rail comprising lugs integral with said guard member, certain of said lugs being adapted to engage the under side of said rail, and others of said lugs being disposed in the fishing space of said rail.l
  • a guard member therefor having a base portion, a flange on the upper portion of said guard member, a transverse rib extending from said flange to substantially the end of said base portion, said base portion being disposed entirely on the outside of said rail, and means for attaching said guard member to said rail comprising a lug adapted to engage the under-side of said rail, said lug and said base member being disposed in different planes longitudinally of said guard, member.
  • a guard member therefor having a laterally extending base portion, a narrow rib eX- tending from the upper part of said guard member to substantially the end of said base portion, a tie plate underlying said guard member and said rail, and means for securing said members comprising means extending through both said base portion and said tie plate.
  • a guard member therefor having a laterally extending supporting member, a flange on the upper portion of said guard-member, a narrow transverse rib' extending from said flange to the end of said supporting member, a tie plate underlying said rail and said guard member and securing means extending through said tie vplate and said guard member.
  • a guard member having a 'laterally extending supporting member a flange on the upper portion of said guard member, a narrow transverse rib extending' from said flange to the end of said supporting member, a tieplate underlying said guard member andsaid rail, said tie plateresting upon said tie, and means for securing said plate to said Jnie comprising means extendingthrough said base member on both sides of said rib, said' means also 10 extend-ing; through aidY tiefplate.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)

Description

May 11, 1927.
P. HOFFMAN ET AlswITcH 150ml` GUARD Filed Auz. 7. 1926 5 Sheets-Sheet 1 VwWilm A TToRNEY.
5 Sheets-Sheet 2 P HOFFMAN ET AL SWITCH POINT GUARD Filed Aufl. 7. 1926 May 17 1927.
IVNToRs um BY MMM, aw@
AHORA/5v5 May 17,1927. 1,628,882
P. HOFFMAN AL SWITCH POINT GUARD Filed Anz. v. 192e :s sheets-sh'eet 5 A TTORNE Y1'.
Patented May 17, 1927.
UNITED STATES FAUL HOFFMAN; F LA GRANGEILLINOIS, ANI) JAMES RISTRONG, OF SUFFERN, NEW YORK, ASSIGNORS TO RAMAPO AJAX CORPORATION, OF NEW YORK, N. Y,.
v CORPORATION OF vNEW YORK.
, SWITCH-POINT GUARD.
Application med' August 7, 1926. serial No. 127,730.V
having means for securely holding'it .in position relative to the running rail; yet permitting its quick and easy assembly and removal, and so arranged as to braceV and strengthen the running rail without havin-g a weakening effect on any portion thereof.k The invention especially relates to a switchl point guard which is secured in braced position against the running rail without being Y bolted thereto; but which holds the guard against the running rail and prevents the latter from crowding away from the switch point.
Various other objects andl advantages of the invention ywill be obvious from the following particular description of forms of a device embodying the invention or from an .inspection of the accompanying drawings; and the invention also consists in certain new and novel features of construction and combinations of parts hereinafter set forth and claimed.
In the drawings: Fig. 1 is a plan view of a portion of a railway switch embodying our invention;
Fig. 2 is a plan' view of the guard on an enlarged scale; f p
Fig. 3 is a side elevation of the guard shown in Fig. 2;.
Fig. 4 is a section on the line l-'Ll'ofy Fis 2;
Fig. 5 is Fig. 2;
Fig. 6 is a section on the line 6-6 of Fig. 2;
Fig. Fig. 2;
Fig. 8 is a plan View of a portion of a railway switch with a guard applied thereto embodying ay modified form of our tion; and
Fig. 9 is a section. on the line 9 9 of Fig. 8. f l
In the following description and in the claims parts will be identified by specific names for convenience, but they are intended to be as generic Vin their application to Ya section on the line 5'5 of 7 is a section on the line 7 7 of similar parts as the art will permit.
invenv Referring lto the form of. the inventiony shown in Figs. 1 to 7 inclusive; the switch point guard is positioned on the outside of a running rail 10 opposite theswitch point 11 of a movable switch rail 12. The guard 13 is of unitary construction; and may be made steel. It is of a length suiiicient to span oroverlie a plurality Aof ties 14, three being shown by way of illustration, in Fig. 1.
Tie plates recessed to receive` the basey 16 of the running rail extend outwardly therefrom a` substantial distance along the ties to support the base 17 ofthe guard 13.
Each tie plate may have a thickened end, l` 'i provided with a shoulder 17 As shown in Fig. lthere may be a slight clearance bef tween the base'of the rail and shoulder 17, due to variation 'in width of the rail base. As shown in Figs. 4l and`7; the outerend ofv each tie -plate is provided with a. ledge or shoulder 18 preferably formed integral therewith and against which the base of the guard rail abuts. Holes 19 are provided for spiking the tie plates to the ties. The web 20of the guard rail'has lugs 22 projecting therefrom at spaced intervals to fit within the fishing space of the rail 10. The base `of the guard rail seats upon the tie plates 15 with the outer edge 23 of the base contacting the shoulder or ledge 18 of eachtie plate. The base has a width sufficient to prevent overturning or moving; and is securedv to the tie by spikes 241 or other ysuitable means.
Lugs are formed integral with the guard rail to extend beneath and engage the under-side of the base of the running rail. Each of said lugs maybe provided throughout its entire length with a reenforcing enlargement or rib 31.
The head 21 of the guard engages the side of the rail head 10 and its tread 33is flush with the top of the rail head 10. The head is also provided with a vertical flange 34: projecting above the rail head.
Bracing ribs 35 extend from or near the top of the vertical flange 34 to or near the outer edge 23 ofthe base. Preferably a tie and tie plate are located beneath each of these bracing ribs to increase the rigidity of the structure. The vertical flange 84 preferably extends parallel with the running rail for substantially half of its length and ter- 60 of any suitable material such as manganese minates in outwardly flaring portions l-l at the ends of the guard.
A modiied form of the guard is shown in S and in this'construction the eX- tension formed integral with the base of the guard rail does not extend outward sufii ciently to Acontact with the end of the 'tie plate, but is out off on a line diagonal to length, thereby formingawedge face 43. wedge block Llei having a wedge face betweenftlie flange 18 on the tie plate and the end ofthe extension. Said wedge block husa serrateduipper face lo and has a slot 47, formedtherein to receive a bolt d8, on which 4is mounted a serrated ywasher 49 provided with means to interlock with the wedge plate. A nut provides means for tighteuingthe lockingwasher in its adjusted position relative to the wedgefblocit so that the wedge bloclt is firmly held-in engagement `with the wedge face of the extension. The rail base may have a slight variation in width, Vbut as shown in Fig. 9, the wedge plate holdsA it tight against'the shoulder 17.
rlhe adjustability oft-his construct-ion pre vents the lost motion common with tne use ofnoneadjustable rail braces, .which do not hold therail baseagainst the shoulder. rlhis arrangement permits any slack between the guard rail andthe ruiming rail to be talren upso that Va greater variation is permissible in` manufacture, and alsopermits adjustment to be made from'time to time without reino-.*ingzany spikes or making 'additional bolt *Y aniexceptional .distance and in combination with' the bri-icing. ribswhich run to the head ofthe guard rail, and may extend up to the topaof the guard rail flange, provide an unusuallystrong,rigid and veFective means for preventing overturning or movement of the guard rail. The spaced lugs on the guard rail, which extend beneath the stock rail, providethe rigidity of a unitary structure, yet they permit horizontal movement of the guard rail and stock rail relative to each other while prevent-ing vertical or swinging movement between tlietwo rails. same .time the spaced lugs doA notinterfere withl theplacingof `the ties or theuse of tie plates, whichl mayy be of standard construction.
itsv
la adapted to co-operate withA the wedge 'face on' the-base extension is mounted in the space.
. movable Vilhile we have shown and described and have pointed out in the annexed claims certain novel features of theA invention, it will be understood that various omissions, substitutions and changes in the forms a l details of the device illustrated and in itsopera ion may be made by those skilled in the art without'departing from the spirit of the invention. y
Having thus described our invention, we claim: l
l. ln combination with a runningrail, a switch point guard disposed on theoutside of said running rail adjacent a switch point, and means for securing said.switch point guard to said'running rail, compirsinga lug. integralwith said guard and engaging the under-side of said prunningrail, saidlug. being provided throughout its length with a re-enforcing rib. Y
2. A guard rail structure comprising. a, movable switch point adjacent thereto, Y spaced lugs .engaging the under-side of the running rail and a Vrib integral with the guard rail spaced from said lug, said rib extending from the head ofthe guard rail to a point beyond the planepassing through the curved ends of the guard rail.
3. A guard rail structure comprising a movable switch point adjacent thereto, spaced ylugs engaging the under side ofthe running rail anda .rib integral with the guard rail spaced fromsaid lug, atie plate underlying said running rail and guard rail, said rib extending from the head of said guard approximately to the outer edge of said tie plate.
4. A guard rail structure comprising: a Y
switch point adjacent thereto, spaced lugs engaging the under side-y of the running rail and a rib. integral'with the guard rail spaced from said lug, said guard rail comprising a base provided with a relatively wide extension, Vsaid rib extending from the head of the guardf rail approximately to the outer edge of said extension.
5. A guard rail structure comprising amovablev switchV pointl adjacent` thereto, spaced lugs engaging the under-side of the, running rail, and a plurality of ribs alternately positioned lengthwise of the guard rail, each ofsaid ribs extending from the head ofthe guard rail to' a point beyond thel plane passing through the curved endsof the guard rail.
6. ln railroad construction, .the combination with a runningrail, of a switch 'point guard, and a tie plate provided withan upstanding shoulder, said guard comprising a base having an extension resting on said tie plate, and -means for securingsaid guardv adjacent to the running rail, comprisinga wedge rplate mounted on said tie plate and arranged between-said extension and said shoulder.
' '7. In railroad construction, the combination with a running rail, of a switch point guard and a tie plate provided with an upstanding shoulder, said guard comp-rising a base resting on said tie plate and provided with an inclined face, and means for securing said guard adjacent to the running 'rail comprisingA a wedge plate vmounted on said tie-plate and arrangedl between said inclined face and said shoulder.
8. In railroad construction, the combination with a running rail, of a switch point guard, a tie plate provided with an upstanding shoulder, said guard comprising a base resting on said tie platek and provided with an inclined face, a wedge plate mounted on said tie plate and arranged between said inclined face and said shoulder, and means secured to the tie plate interlocking with the wedge plate to hold same in adjusted position.
9. In railroad construction, the combination with a running rail, of a switch point guard, a tie plate provided with an upstanding shoulder, said guard comprising a base resting on said tie plate and provided with an inclined face, a wedge plate mounted on said tie plate and arranged between said inclined face and said shoulder, and having a roughened upper surface and a washer secured to the tie interlocking with the wedge plate to hold same in adjusted position.
Y 10. In railroad construction, the combination with a running rail, of a switch point guard having a base extension disposed on the outside of said running rail adjacent a switch point, a tie plate underlying said running rail and guard, the outer end of said tie plate being provided with an upstanding shoulder, the outer end of said base extension having a diagonal face, means for securing said Switchpoint guard to the running rail, comprising a wedge platemounted on said tie plate and arranged between said diagonal face and said shoulder, said plate having a roughened surface adapted to engage the corresponding surface on the wedge plate, 'and a bolt for holding the wedge plate and washer in adjusted position, said bolt being secured to said tie plate.
11'. In railroad construction, the combination with a running rail. of a switch point guard, a tie plate having a thickened portion provided with a shoulder, said running rail having a base adapted for engagement with said shoulder and adjustable means for holding said guard in engagement with said rail and for holding said base in engagement with said shoulder. Y
12. In combination with a running rail, a guard member therefor, supporting means for said guard member comprising a base member and lugs separated from said base member and integral with said guard member, said lugs underlying said rail.
13. In combination with a running rail,
aguard member therefor', supporting means for vsaid guard member comprising a plurality Vof base members, said base members being disposed entirely on the outside vof saidrail, lugs integral with said guard member underlyingsaid rail, said -base members and said lugs being alternately disposed longitudinally of said guard member.
14. In combination with a running rail, a supporting tie therefor, akguard member for said rail including a base portion, a tie plate underlying said guard member and said running rail, said tie plate being supported by said tie, and means for attaching said guard member to said rail comprising lugs spaced from said tie and underlying said rail.
15. In combination with a running rail, a guard member therefor having a base portion, said base portion having a supporting flange entirely outside said rail, means for attaching said guard member to said rail comprising lugs integral with said guard member, certain of said lugs being adapted to engage the under side of said rail, and others of said lugs being disposed in the fishing space of said rail.l
16. In combination withL a running rail, a guard member therefor having a base portion, a flange on the upper portion of said guard member, a transverse rib extending from said flange to substantially the end of said base portion, said base portion being disposed entirely on the outside of said rail, and means for attaching said guard member to said rail comprising a lug adapted to engage the under-side of said rail, said lug and said base member being disposed in different planes longitudinally of said guard, member.
17. In combination with a running rail, a guard member therefor having a laterally extending base portion, a narrow rib eX- tending from the upper part of said guard member to substantially the end of said base portion, a tie plate underlying said guard member and said rail, and means for securing said members comprising means extending through both said base portion and said tie plate.
18.V In combination with a running rail, a guard member therefor having a laterally extending supporting member, a flange on the upper portion of said guard-member, a narrow transverse rib' extending from said flange to the end of said supporting member, a tie plate underlying said rail and said guard member and securing means extending through said tie vplate and said guard member.
19. In combination with a running rail, a supporting tie therefor, a guard member having a 'laterally extending supporting member a flange on the upper portion of said guard member, a narrow transverse rib extending' from said flange to the end of said supporting member, a tieplate underlying said guard member andsaid rail, said tie plateresting upon said tie, and means for securing said plate to said Jnie comprising means extendingthrough said base member on both sides of said rib, said' means also 10 extend-ing; through aidY tiefplate. f
Signed at Chieagoqin the Countyof'C/ook Andr-State of. Illinois.
PAUL? HOFFMAN. -Signed nt N. Y. city-.in the Countyof New Yorkfyzmd State of New York.
JAMES B. STRONG.
US127730A 1926-08-07 1926-08-07 Switch-point guard Expired - Lifetime US1628882A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026074A (en) * 1958-05-14 1962-03-20 Bethlehem Steel Corp Switch point guard rail
US4386751A (en) * 1981-04-06 1983-06-07 Western-Cullen-Hayes, Inc. Switch point guard
US4738418A (en) * 1986-09-22 1988-04-19 Abc Rail Corp Adjustable switch point guard
US10731302B2 (en) * 2015-05-29 2020-08-04 Vossloh Cogifer Guide rail support suitable for withstanding forces transverse to a railway track, and assembly comprising such a guide rail support

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026074A (en) * 1958-05-14 1962-03-20 Bethlehem Steel Corp Switch point guard rail
US4386751A (en) * 1981-04-06 1983-06-07 Western-Cullen-Hayes, Inc. Switch point guard
US4738418A (en) * 1986-09-22 1988-04-19 Abc Rail Corp Adjustable switch point guard
US10731302B2 (en) * 2015-05-29 2020-08-04 Vossloh Cogifer Guide rail support suitable for withstanding forces transverse to a railway track, and assembly comprising such a guide rail support

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