US3477642A

US3477642A - Railway rail fastener device

Info

Publication number: US3477642A
Application number: US642780A
Authority: US
Inventors: Carl Thomas Jackson
Original assignee: True Temper Corp
Current assignee: True Temper Corp; True Temper Railway Appliances Inc
Priority date: 1967-06-01
Filing date: 1967-06-01
Publication date: 1969-11-11
Anticipated expiration: 1986-11-11

Description

Nov. 11, 1969 c. T. JACKSON 3,477,642

RAILWAY RAIL FASTENER DEVICE Filed June 1, 1967 '2 Sheets-Sheet l A I /O 6 xmQm k X k Fig. 10

CARL THOMAS JAG/(S ON L4H. move/1 ATTORNEY Nov. 11, 1969 c. T. JACKSON 3,477,642

RAILWAY'RAIL FASTENER DEVICE Filed June 1, 1967 2 Sheets-Sheet 2 //VVE/V7'0R CARL THOMAS JACKSON Fig 6 20 .H. 54 OUGH A 7'7'OR/VEY United States Patent 3,477,642 RAILWAY RAIL FASTENER DEVICE Carl Thomas Jackson, North Madison, Ohio, assignor,

by mesne assignments, to True Temper Corporation,

Cleveland, Ohio, a corporation of Delaware Filed June 1, 1967, Ser. No. 642,780 Int. Cl. E01b 9/28 US. Cl. 238-349 8 Claims ABSTRACT OF THE DISCLOSURE There is disclosed herein a specially designed rail clip having an opening through which a hold down device, such as a bolt, may pass, said clip having a two point bearing contact on a rail flange and a bearing contact upon the cross tie.

This invention relates to a railway rail fastener and relates more particularly to fasteners of the so-called resilient clip or clamp type, said fastener being particularly adapted for use in fastening rail sections to concrete cross ties or sleepers.

According to the invention, there is provided a specially designed rail clip having an opening through which a hold down device, such as a bolt, may pass, said clip having a two point bearing contact on a rail flange, and a bearing contact against an edge of the rail and bearing contact upon the cross tie.

An object of this invention is to provide an improved rail fastener of the type referred to which is particularly adapted for use with rail sections laid on concrete ties or sleepers positively holding the same.

Another object of the invention is to provide a fastener of the type referred to having improved holding power.

A further object of the invention is to provide a fastener of the type referred to having an improved rail gage retaining member.

Another object of the invention is to provide an improved rail clip of the type referred to with greater fatigue life than present clips.

Yet another object of the invention is to provide an improved rail fastener of the type referred to which can be fabricated in an improved manner.

A still further object of this invention is to provide an improved rail fastener of the type referred to wherein the use of a tie plate is not required.

Another object of the invention is to provide an im proved rail'fastener of the type referred to adapted to hold the rail in proper position without creeping and adapted to further prevent lateral movement thereof.

Yet another object of the invention is to provide a fastener of the type referred to adapted for use with various size rail gages.

A further object of the invention is to provide a fastener of the type referred to which is of simple construction, economical, easily installed and highly eflicient in use.

Other objects of the invention and a number of its advantages will be readily understood from the following description of the invention and the accompanying drawings, in which drawings: I

FIGURE 1 is a view of a T-section from which the clip of this invention is constructed;

FIGURE 2 is a perspective view'of the clip of the invention formed from the blank of FIGURE 1;

FIGURE 3 is a top plan view of the clip of FIG- URE 2; 7

FIGURE 4 is a sectional view, taken from the line 44 of FIGURE 3;

FIGURE 5 is an elevational view of the clip of FIG URE 4;

FIGURE 6 is a longitudinal vertical sectional view of 3,477,642 Patented Nov. 11, 1969 a rail section, concrete tie, rail pad, a pair of clips of the form of FIGURE 2 being applied thereto;

FIGURE 7 is a view similar to that of FIGURE 4 showing a modification of the clip of FIGURE 1;

FIGURE 8 is an enlarged sectional view taken on the line 8-8 of FIGURE 6;

FIGURE 9 is a fragmentary enlarged detail of a rail contacting portion in one operative position; and

FIGURE 10 is a view similar to FIGURE 9 illustrating the portion in another operative position.

In the embodiment shown in FIGURES 1 to 6, inclusive, and FIGURE 8, the improved fastener of the invention is preferably constructed of a T section or T- shaped extrusion 10 of aluminum, heat hardened steel, or other resilient metal material, and said T-section being apertured to provide an opening 11, preferably circular or ovate in form, the circular opening being shown, said opening is medially positioned adjacent the areas contiguous one side of the stem or depending leg 12 extending substantially at right angles to the planular body portion 13. The T section 10 is then preferably heated and bent to provide a flange edge 14 arcuately bent or formed, as shown at a and b to provide downwardly extending biting edges 15 or spaced bearing points at opposite ends thereof wherefor a two point bearing contact on the rail flange 16 is ensured by the free resilient end of the section 10.

The stem 12 is further, as shown, preferably integrally formed with the body portion 13 and extends as shown the width of the clip. It is adapted, as best shown in FIGURE 6, to abut a substantial portion of the edge of the rail adjacent said flange surfaces upon which the clip has bearing contact, as recited hereinbefore, thus backing up a substantial portion of the rail edge, and is of such limited depth that it is spaced above the lower edge of said rail. The stem in use is force loaded similar to a leaf spring. The clearance obtained therefor between the bottom of the stem :and the sleeper 20 ensures the effect of the spring loading.

During the forming of the flange edge 14, the opposite end of the clip is bent or deformed into a generally S-shaped yoke 17 and a relatively flat upper terminal end 18. The said yoke 17 is adapted to seat in a rounded cavity 19 affording a shoulder 19' in a concrete cross tie 20 against which the end 18 abuts. Thus the clip is provided at one end with a free resilient curved end having a two point contact by bearing portions 15 with the rail flange and provided with an opposite end bottoming in a recess afforded in the cross tie terminating a spaced distance below the upper edge thereof, the same being dimensioned so as to be closely fitted therein making bearing contact therewith and prevented thereby from movement during creeping or lateral movement of the rail. The yoke 17 is disposed and bottoms on the crosstie, it will be noted, below the level of the stem 12.

The fastener of this invention is heat treated to permit 7 the same not only to be deformed as desired but preferably to render the same of such resilient character as to permit a spring eflect whereby, upon tightening the bolt 22 shown extending into tubular anchor nuts 23 in said concrete cross-ties to secure the clip of the fastener to the rail and cross-tie means 24, the clip bearing contact of portions 15 is increased as best illustrated in FIG-

URES

8, 9, and 10. Further upon vertical or wave movement of the rail the bearing contact by the edges 15 is increased. The clip is preferably heat hardened to a desired temperature and quenched for a maximum fatigue life compatible with the spring quality desired.

It will be noted that the improved clip or fastener of this invention has improved holding qualities over prior art devices achieved by its secure seating in the cross-tie and improvement in bearing contact with the rail flange and rail edge and that the fastener resists transverse as well as longitudinal movement of the rail.

In the form of invention disclosed in FIGURE 6, a rail pad 25, preferably of polyethylene or rubber or other flexible material, is disposed immediately beneath the rail undersurfaces interposed between the rail and the sleeper 20 and is provided with arcuate notches (not shown) as will be understood by those skilled in the art to which the invention pertains, partially encircling the fastener bolts 22. The notches, it is understood, vary in shape and size dependent upon the shape and size of the said bolts.

It will be noted that in the form of FIGURE 7 the opening 26 is, in contrast to the opening 11 of FIG- URES l to 6, inclusive, expanded to include a removal of portions of the T section adjacent the bolt to afford bearing contact with the bolt if desired to add support to the same.

The clips of this invention may be used for rails of various size and gage, bolt spacing, dimensioning, etc. and may be varied to accommodate the same.

It should be understood that although the clip is shown in direct contact and seating with the cross-tie that indirect contact therewith by means of different cross-members associated with the tie, such as a tie plate, may be used.

While the invention has been described in connection with preferred embodiments, it will be understood that departures may be made therefrom, without, however, departing from the spirit of the invention.

What I claim is:

1. A rail fastener for use with a rail supported by its flange on a cross-member, comprising in combination a resilient clip having its outer end portion seated upon said cross-member and provided with an opening for a fastening member, a fastening member extending through said opening and fastening the outer end portion of said clip firmly upon the cross-member, the inner end portion of said clip being free and resilient and provided with bearing points overlying the rail flange and spaced apart in the direction of the rail, said clip having a depending leg spaced inwardly of the fastening member and engaging an edge of said flange.

2. A rail fastener as claimed in claim 1 wherein the depending leg extends the width of said clip.

' 3. A rail fastener as claimed in claim 1 wherein the area of bearing contact upon the flange at said bearing points is increased or decreased according to the load applied.

4. A rail fastener as claimed in claim 1 wherein the outer end of said clip seated upon the cross-member is positioned below the lower end. of said leg and said leg is spaced above and out of contact with the said crossmember. 1 v

5. A rail fastener as claimed in claim 1 wherein the inner end of the clip is formed with a downwardly curved portion terminating in an upwardly concave edge which is arched in a plane parallel with the direction of the rail and provides bearing points at either end of said concave edge. A I

6. A rail fastener as claimed in claim 1 wherein the outer end of said clip is fixedly seated against a shoulder provided by said cross member to prevent lateral, outward movement of said outer end whereby the leg abutting the edge of the rail and the outer end of the clip abutting the cross-member are in fixed laterally spaced relationship.

7. A rail fastener as claimed in claim 1 wherein the spaced bearing points of said inner end of the clip are at opposite corners of an arcuate edge thereof.

*8. A rail fastener as claimed in claim 1 wherein the body of the clip, its outer andinncr end portions, and its depending leg are of equal width.

References Cited UNITED STATES PATENTS 3,309,023 3/1967 Burwell 23 8-349 1,995,020 3/1935 Woodings 238349 3,164,323 1/1965 Steele et al 238-349 FOREIGN PATENTS 673,917 4/1929 France. 699,688 12/ 1930 France. 522,414 6/ 1940 Great Britain.

ARTHUR L. LA POINT, Primary Examiner R. A. BERTSCH, Assistant Examiner