US1368979A - Rail anchor - Google Patents

Description

H. G. WARR.

RAIL ANCHOR.

APPLICATION FILED JUNE 24,1919.

Patenwd Feb. 15, 1921.

4 SHEETSSHEET I.

6 550 WWKM [l /iii? H. G. WARR.

RAILYANCHOR.

APPLICATION FILED WM. 24. 1919.

1,368,979. Patented Feb. 15,1921

4 SHEETS-SHEET 2.

H. G. WARR.

RAIL ANCHOR.

APPLICATION FILED JUNE 24,1919. 1,368,979.

4 SHEETSSHEET 3.

Patented Feb. 15, 1921.

wifri jiai' UNITED STATES PATENT OFFICE.

mom a. WARE, F PARK RIDGE, ILLINOIS, ASSIGNOR TO THE P. a n. comm oii CHICAGO, ILLINOIS, A CORPORATION or ILLINOIS.

RAIL-ANCHOR. 1

Specification of Letters Patent.

Patented Feb. 15, 1921.

Application filed June 24, 1919. Serial No. 306,342.

To all whom it may concern:

Be it known that I, HAROLD G. VVARR, a citizen of the United States, residing at Park Ridge, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Rail-Anchors, of which the following is a specification.

My invention relates to devices for preventing the longitudinal creeping movement of railway rails, devices of this class being commonly called anti-creepers, rail stays or rail anchors. One of the objects of the invention is to improve upon the type of rail anchor disclosed in the patent to D. F. and D. L. Vaughan, No. 1,021,387, granted March 26, 1912. This type of anchor consists of a shoe member adapted to bear against a tie and to engage one edge of the base of the rail to which the device is applied, and a torsional spring yoke which extends under the rail base, engages the shoe and the opposite edge of the rail base and is strained when in its operative position. The present invention improves 5 upon this type of anchor by providing a shoe member which may be more conveniently and economically manufactured than the malleable casting which forms the shoe member of the patented anchor and one which can be made considerably lighter than -the shoe of the patent without sacrificing strength. The minimizing of weight in devices of this class is an important consideration as rail anchors are manufactured in large quantities, sold at a relatively low rate per article, and frequently have to be shipped to points remote from the place of manufacture so that the cost of transportation is a substantial factor in the cost of the articles to the railroad company.

A further object is to modify the form of the spring yoke so that it will not need to be given a twisting set when manufactured, the spring in this embodiment of the invention being flat before application to the rail and the torsional strain to which it is subjected when applied resulting from the peculiar contour of its rail engaging hooks or J The invention is illustrated, in certain preferred embodiments, in the accompanyingr drawings wherein igure 1 is a plan view of one form of rail anchor in accordance with the invention, shown as applied to a rail.

Fig. 2 is a side elevation of the parts shown in Fig. 1.

Fig. 3 is a plan or upper edge view of the spring yoke member of the anchor before being applied to the rail.

P 1g. 4 is a sectional elevation on line 4--4 of Fig. 1.

Fig. 5 is a diagram showing the blank from which the shoe member is manufactured. the blank being cut but not bent, the dotted lines indicating the lines of bending.

I ig. 6 is a view, in perspective, of the shoe member ready for application to the rail.

Figs. 7 and 8 are views, corresponding to Figs. 1 and 2, illustrating a modified con- 7 struction.

Fig. 9 is a sectional elevation on line 9-9 of Fig. 7.

Fig. 10 is a diagram corresponding to Fig.

5, illustrating a blank from which the shoe emplo ed in this form of the invention is manu actured.

Fig. 11 is a view, in perspective, of the shoe when ready for application to the rail.

Fig. 12 1s a plan or upper edge view of the spring yoke member shown in Figs. 4 and 9, this figure, however, illustrating the yoke before it is applied to the rail, and

Fig. 13 is a side elevation of the yoke member.

Like characters of reference designate like parts in the several figures of the drawings.

Referring first to Figs. 1 to 6 inclusive, 25 indicates a railroad rail and 26 one of the cross ties on which the rail is supported. The rail anchor shown in these figures consists of a shoe 27 and a spring yoke 28. The yoke is the usual form of spring yoke now used in connection with the Vaughan anchor patented in the patent above referred to. It is made from a flat piece of steel which is given a torsional set and is formed at one end with a notch 29 to engage one edge of the rail base and at the other with an upstanding lug 30 to engage the shoe member 27, the lip 31 by which notch 29 is defined being bent forwardly toward the tie (having reference to the position of application of the anchor to the rail) as shown in Fig. 1.

The shoe is formed of sheet metal which is cut from a blank having the contour indicated in Fig. 5. The blank after being cut to this shape is bent along the lines a, b, c, to provide a rail base engaging jaw 110 formed of an upper lip 32 and a lower lip 33, a tie abutting flange 3-1 and a connecting web 35. The blank is out so that a notch 36 is provided between the rear edge 37 of the connecting web 35 and the forward edge 38 of the lip 33. This notch is designed to receive the lug 30 of the spring yoke. The lower edge of the spring yoke is thinned down to provide a shoulder 39. This shoulder engages a projection 40 which is formed on the edge 36 of the connecting web 35.

Preferably the portion of the anchor designated 41, which connects the upper lip 32 with the lower lip 33 and the connecting web 35, is pressed out to form a boss 42. The purpose of this is to increase the width of the shoe at this place so that shoes so formed may be used interchangeably with the malleable iron shoes, heretofore employed in anchors of this type, without change of the dimensions of the spring yokes.

To apply the device to the rail the shoe member is fitted upon one edge of the rail base with its tie abutting flange bearing against the tie. The yoke member is hooked over the other edge of the rail base and is bent so as to straighten out its torsional set sufliciently to permit the end of the yoke having lug 30 to be raised into slot 36 in the shoe with shoulder 39 on the yoke engaging projection 40 on the shoe. The torsional strain to which the spring yoke is subjected keeps the anchor in close engagement with the rail. The yoke is prevented from becoming disengaged from the shoe because of the bearing of shoulder 39 on lug 40. Y

In Figs. 7 to 13 inclusive, I have shown a slight improvement upon the shoe over the form shown in the preceding figures and also an improved form of spring yoke which has the advantage that it does not need to be given a permanent twisting or torsionai set when manufactured. The yoke shown in these figures might be used with the shoe of the preceding figures or with the ordinary malleable iron shoe of the Vaughan anchor. The shoe 43 is made from a blank cut to the contour shown in Fig. 10 and bent along lines d, e, f and g to provide'an upper lip 44, a tie-abutting flange 45, a connecting web 46 and a lip 47 to engage the under surime of the rail base.

The lip 47, it will be seen, stands vertically instead of horizontally as in the shoe previously described. The notch 48 to receive the spring yoke is formed entirely in the connecting web 46 instead of being defined on one side by the edge of the under lip of the rail base jaw. There is an advantage in this construction. particularly where the shoe is made of relatively thick metal. -When so made the form of shoe shown in Figs. 1 to 6 inclusive may necessitate too great a bending of the yoke approximately a vertical plane.

during application to the rail in order that the lip 33 may be cleared. In the form of yoke shown in Figs-7 to 13 inclusive, the edge 49 of the connecting web 46 may be suitably formed to permit the yoke to clear it without excessive bending. The edge 50 of the connecting web 4.6 is provided with a projection 51 corresponding to projection 40 of the other type. The spring yoke shown in these figures consists of a fiat piece of metal 52 formed at one end with the usual upstanding flange 53 and at the other with a lip 54. The device is not given any twisting set but the lower edge 55 of the lip has a downward slant from the end of the anchor toward its middle so that the notch 56 provided by this lip is effectively wider at its inner end than at its mouth.

In applying the anchor to the rail the spring yoke must be tilted on a substantially horizontal axis in order to permit the notched end to be hooked over the edge'ot the rail base, that is, the distance between the lower corner oi lip 5 and a'plane passing through the upper edge 57 01 the yoke at right angles to the side faces of the yoke is less than the thickness of the rail base at the point where this engagement is made. In order to engage the yoke with the shoe the end oi the yoke having the upstanding lug 53 must be straightened or brought to This re sults in subjecting the yoke to a twisting or torsional strain which gives the device the necessary spring hold on the rail.

1 claim:

1. A rail anchor of the type described, comprising a spring yoke and a shoe member, the latter made of a sheet metal blank bent and cut to form a rail base engaging jaw, a tie abutting flange, and means adapted to be engaged by one'end of said yoke to hold the yoke in strained position on the rail.

2. A rail anchor 01": the type described, comprising a spring yoke and a shoe member, the latter made of a sheet metal blank bent and cut to form a rail base engaging jaw, a tie abutting flange, a notch to engage the upper edge of the yoke, and a lug to engage the lower edge thereof to hold the yoke in strained position on the rail.-

3. A rail anchor of thetypedescribed comprising a spring yoke and a shoe memher, the latter made of a sheet metal blank bent and cut to form a lip to extend over the rail base, a lip to extend under the rail base, a tie abutting flange at the opposite end of the shoe from the last named lip adapted to bear against a tie, a notch to engage the upper edge of said yoke, and :1- lug to engage the lower edge of the yoke, whereby the yoke is held in strained position on the rail.

4. A rail anchor of the type described comprising a spring yoke and a shoe member, the latter made of a sheet metal blank bent and cut to form a lip to extend over the rail base, a lip to extend under the rail base, a tie abutting flange at the opposite end of the shoe from the last named lip adapted to bear against a tie, a notch to engage the upper edge of said yoke, a lug to engage the lower edge of the yoke, and an out pressed boss for the vertical edge of the oke to bear against, whereby the yoke is held in strained position on the rail.

5. A rail anchor of the t pe described comprising a spring yoke an a shoe member, the latter made of a sheet metal blank, the top of which is bent on a horizontal line to form a lip to bear upon the upper surface of the base of the rail, one end of which is bent on a vertical line to rovide a tie abutting flange, the other end 0 which is bent to form a 11p to extend under the rail base, and the blank being notched to engage the upper edge of the yoke and formed so as to engage the lower edge of the yoke to hold the same under torsional strain.

6. A rail anchor of the type described comprising a spring yoke and a shoe member, the latter made of a sheet metal blank bent and cut to form a lip to extend over the rail base, a lip to stand vertically under the rail base with its upper edge bearing against the same a tie abutting flange at the opposite end of t e shoe from the last named lip adapted to bear against the tie, and a notch to engage the upper edge of said yoke to hold the same under torsional strain.

7. A rail anchor of the t pe described comprising a spring yoke an a shoe member, the latter made of a sheet metal blank the top of which is bent on a horizontal line to form a lip to bear u on the upper surface of the base of the m1 the opposite ends of which are bent on vertical lines to provide a tie abutting flange, and a vertical lip to bear against the under surface of the rail and the portion of the anchor between said lips being formed with a notch ada ted to be engaged by the yoke whereby the atter is held under torsional strain.

8. A rail anchor comprising a shoe to engage one edge of the base of a rail, and a spring yoke formed at one end with a notch to engage the other edge of the rail base, the intervening portion of the yoke being flat but adapted to be given a torsiona strain when the device is applied to a rail.

9. A rail anchor comprisin a shoe to engage one edge of the base 0 a rail and a spring yoke formed at one end with a lug to engage said shoe and at the other on with a notch to engage the other ed e of the rail base, said notch being former? so that the yoke must be tilted on a substantially horizontal axis to permit the notch to go over the rail base whereby the yoke is under torsional strain when the device is in operative position on the rail.

10. A rail anchor comprising a shoe to engage one edge of the base of a rail and a spring yoke formed at one end with a lug to engage said shoe and at the other on with a lip to extend over the rail base, which lip is bent from the plane of the rest of the yoke and is formed so that the yoke must be tilted on a substantially horizontal axis to permit the notch to go over the rail base whereb the yoke is under torsional strain when t e device is applied to the rail.

11. A rail anchor comprisin a shoe to engage one ed e of the base 0 a rail and a spring yoke ormed at one end with a l to engage said shoe and at the other end wit a lip to extend over the rail base, which lip is bent from the plane of the rest of the yoke and has its lower edge slanted downwardly from the end of the yoke toward the middle whereby the yoke is under torsional strain when the device is applied to the rail.

12. A rail anchor compri a shoe to engage one edge of the base 0 a rail, and a spring yoke formed at one end wlth a. notch to engage the other ed e of the rail base, the vertical dimension 0 which notch decreases toward the middle of the yoke, the portion of said yoke intervening between said notch and shoe being flat but adapted to be given a torsional strain when the device is applied to a rail.

HAROLD G. WARR.

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