US641852A - Attachment for rails. - Google Patents

Description

N0. 64!,852. Patented Ian. 23, I900.

A. K. FLEISGHER. 7

ATTACHMENT FOB RAILS.

(Application filed Oct. 14, 1899.)

(No Model.)

UNITED STATES PATENT OFFICE.

AUGUST KONOW FLEISOHER, OF CHRISTIANIA, NORWAY.

ATTACHMENT FOR RAILS.

$PECIFIGATION forming part of Letters ?atent No. 641,852, dated January 23, 1900. Application filed October 14, 1899. Serial No. 733,640. (No model.)

To aZZ whom it may concern.-

Be it known that I, Aueus'r KoNoW FLEIsoHER, a subject of the King of Sweden and Norway, residing at Eilert Sundts gade 31, Christiania, Norway, have invented certain new and useful Improvements in Attachments for Rails, of which the following is a specification.

This invention has for its object certain improvements in securing railway-rails to their supports.

As is Well known, the creeping of lines of railway-tracks is due to the expansion of the track-rails, and in the present mode of securing the rails to their supports or sleepers said expansion takes place in one and the same direction throughout the length of the rail and always in the direction of least resistance, so that entire sections of track may creep in one direction, While other sections may creep in a reverse direction, and this creeping of the tracks is the cause of many accidents, due not so much to the longitudinal displacement of the rails as to their liability to buckling and the displacement of the ties or sleepers where such rails happen to be rigidly secured.

The object of this invention is to secure the rails to their supports in such a manner that expansion instead of taking place in one and the same direction throughout the length of the rail will take place in opposite directions from a point midway of the length of the rails, so that by providing sufficient room at the joints the creeping of a section of rails will be efiectually avoided. This I attain by rigidly securing the rails at one or more'points about midway of their length to a sleeper or sleepers or other support, and to this end I provide a suitable chair, Which when slightly modified in construction may also be employed at the rail-joints.

In the accompanying drawing I have shown in perspective my improved chair applied midway of the length of a rail and at the joint of two rail ends.

WVhen used at the joint of two rail ends, the chair a has a bearing-surface c sunk below its upper face on opposite sides of a recess or depression (1 for purposes described in my application of even date with this, Serial No. 733,639, which depression is dispensed with when said chair is used midway of the length of a rail. In either case, however, the rail or rail ends are held in the chair against lateral displacement. The chair 0 is furthermore provided at its front and rear edges with flanges c on opposite sidesof the sunk bearing-surfaces c, which flanges fit recesses e in the foot flange f of the coupling or joint braces B to lock the same against displacement in the direction of the length of the rails, said braces B being secured to the rail ends in the usual manner and spiked to the chair and the latter to the sleeper a by means of spikes 9 when said chair is used at the railjoint. When the chair is used midway of the length of a rail, the braces B are rigidly bolted to the rail 1) and have foot-flanges f, that fit between the flanges 0 as shown, said braces being spiked to said chair by means of spikes 9, so that the braces are likewise held against displacement in the direction of the length of the rail 1), which latter is thus rigidly secured to the sleeper, so that expansion can take place only from said point of connection outwardly or in opposite directions. Of course this rigidity of the rail relatively to its support may be increased by securing the rail, as described, to two adjacent sleepers, and as these are generally laid close together the slight expansion of the rail between its points of attachment to the sleepers will practically have noinjurious effect, especially in View of the fact that there is always some little or sufficient play between the connected parts. In this manner I not only obtain an absolutely rigid connection between the rail and its support or supports, but also between the rails themselves and the sleepers.

What I claim, and desire to secure by Letters Patent, is-

1. A rail-chair having a rail-seat sunk below its upper face, and flanges projecting therefrom on opposite sides and at each end ofsaid rail-seat, for the purpose set forth.

2. The combination with a railway-rail, a sleeper, and a chair having a rail-seat sunk below its upper face, and flanges projecting therefrom on opposite sides, and at each end of said rail-seat, and means for bracing the rail to the chair held against displacement in the direction of the length of the rail by the aforesaid flanges, for the purpose set forth.

3. The combination with a railway-rail, a In witness whereof I have hereunto set my sleeper, and a chair having a rail-seat sunk hand in presence of two witnesses.

below its upper face, and flan es projectin v therefrom on opposite sides alfd at each ena AUGUST FLEISCHER' 5 of said rail-seat; of a brace having a foot- Witnesses:

flange fitting between said flanges, for the J OH. VAALER,

purpose set forth. AUG. OLSEN.

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