US65540A - Improved railway ghaie - Google Patents

Description

@with t'strs atwt @ffice s AMU'EL s. Buur, or MARQUETTE, Minnie AN.

Letters Patent No. 65,540, dated june 11, 1867. l

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TO ALL WHOM IT MAY CONCERN: v

Be it known that I, SAMUEL S. BERT, ot' Marquette, county of' Marquette, State of Michigan have invented a new and useful Railroad vRail Char; and hereby'declare the following to be a full, clear, and exact description thereof, reference being had to the accompanying dra-wings making part of this specification, in which- Figure 1 is a longitudinal section taken vertically through the centre of my improved rail and chair. Figure 2. isa transverse section taken vertically through the rail and its chair. i Figure 3 arc end views of the rail and rail chairs iudetail.

Similar letters of reference indicate corresponding parts in the several gures. v The object of` this invention-is to prevent railroad rail sections from working loose and becoming battered down in consequenceof thc con'cussionsantl strain upon the rails caused by passing and repassing trains over the rail joints. My invention is designed to provide for the use ci' a reversible H rail of a peculiar form, and for supporting such'rail by means of a three-part chair, in such manner that while the base, weh, and lips of the rail are all firmly embraced and supported hy the chair, the chair itselt` is preventedfrom becoming loose or straining the spikes which confine it down upon the cross-tie. i

'lhe nature of my invention consists in supporting the rail-base and sustaining it against lateral thrust, Vby seating it in a recess 'whichis formed partly in thechair-hase, and partlyin plates which are secured on the sides of the rail and which support the web nndhead, so that the lateral as well as vertical pressure upon the rail will he resisted by the solid metal of the chair, as will he hereinafter described." It also consists in seating ,the side supporting plates `uponthe rail-base, and into the chair-base', in such manner that the latter shall serve as a vertical support, and also a lateral support for the rail, and prevent the working loose or straining of the spikes which hold the rail and chairupon the cross-tie, as will be hereinafter described. It also consists in seating the rail-base and the bases of its side supporting plates within recesses which are formed in the chair-base, iny such manner that the spikes which hold the rail and chair upon the cross-tie shall pass through the said side plates and chair-base, and between outer and'inner supporting lips upon the latter, and prevent an upward tendency of the side plates, as will'he hereinafter described. I

To enable others s'killedin the art to understand my invention, I will describe its construction and operation.

The rail which I have represented in the drawings, and for which my improved chair isvespccially adapted, is of an H form, and consists of two heads a a, ofthe same shape and size, and which have rounded lips terminating *at their junction with the contrac'tedweb b, in plane faces e c, and bevelled faces d d, which latter increase the width of the web at those points requiring the greatest strcngth,and also serve another oilice which will hehereinafter described This rail it will be seen is reversible; that is to say, when one exposed surface becomes too much worn for use it may he turned over and used as long with the opposite side uppermost. The chair consists of three separate parts A B B, which are constructed of wrought iron pressed into proper shape by machinery suitably adapted to the purpose. The object of pressing or swaging the metal into the required ferais is to have the grain of the metal ofthe chair transverse tothe length of the rail, so as to ail'ord greater strength and rigidity to the parts than could bc obtained by having the grain of the metal run-in any otherV direction. The chair-hase A is constructed with a concave depression, e, extending longitudinally through its cent-re, which depression corresponds in `shape and size to the rail-heads, and forms a seat for receiving either of said heads. The object of 'this seat is to prevent any lateral movement of the base of the railand to aiford a. firm base and side support for the rail-hase, so that it sho-ll not he battered or injured at the ends of thc rail sections. On both sides of this central seat e, longitudinal channelsff are formed, which have on each side of them elevations g g and h t, and form receptacles for receiving the bases of the side supporting plates B B, as

"shown in -iigs. 2 and 3. The elevations gg, on the outer edges of-l the chair-base A,`forni abutments for the corresponding edges of the plates B B, so as to assist in resisting lateral pressure upon these plates, and also to prevent the outward thrust thereof. The intermediate elevations t h are produced in the act of forming the seat e for receiving the rail-base, and they have their upper on'ds terminated in ilat surfaces Iz' z', which are in a plane parallel to the bottom surfaces of the channels ff and fiat shoulders c c of the rail-heads, as shown iu fig. 2. The outer sides` of said elevations incline outward so as to allow the plates B B to he contracted as much as possible, andtheir bases brought near the vertical centre of the rail. The said supporting plates B B are con /f' beneath these lips, and bearing upon horizontal surfaces or shoulders c e and z" of the rail and chair-base.

strncted with horizontal surfaces c.c, z" z", and f, corresponding to their respective surfaces a c, z', andfoi` the rail and its chair-base, as shown in figs. 2 and 3. These plates B are also constructed with concave recesses jj in them corresponding in form and size to those portions of the lips of the rail-base which are not protected by the seat e,'so that all that portion of the rail which is below the shoulders c cot' its head is -enclosed and tightly held by the chair. Those portions of the side plates B B which abut against the vweb of the rail areehamfererl so as to t snugly against the corresponding surfaces d d, and thus support the web at every point between the two rail-heads. f It will be seen from the above descriptionthat the plates B B cannot be introduced into their l places or removed therefrom7 except by sliding them in a direction with the length of the rail. The bases of these plates cannot under any circumstances rise from their channels or seats in the chair-base, consequently there will be no tendency to draw the spikes D D which pass through the plates A B B, and secure the whole down upon the cross-ties. These plates B B not only aord lateral supports to the rail by their abutting against the elevations g q upon the chair-base, but they also abrd vertical supports for the lips of the railby extending With a rail which is seated in a recess formed in a .chair-base, and having its base and the greater portion of its lips'surrounded by the solid met-al of said base, as I have shown, there will be no possibility of the depression ef the ends of the rail sections. Such a solid support will effectually prevent the battering down or bending of the rail ends by car-wheels passing over them. By constructing the side plates B as described, so as to form receptacles for the uppervpoi'tion of the rail-base, and to tit snugly over and upon the surfaces c c thereof, the lips of the-rail head o1' table 'will be prevented from injury, and those portions of the platcsB which are between the rail lips wiil also be protected from strain or displacement by vertical pressure, and those portions of the i plates B which extend outward and downward from diagonal braces and supports for staying the rail against lateral thrust or strain. One of the greatest difficulties which has attended sectional railroad chairs hitherto made, has been the Working loose of the spikes which secured the chairs to the cross-ties. This diliiculty is removes by constructing the chair sections A B B as above'deseribed, so that the chair-base A will firmly hold the sections B B down in place, even if `the spikes should not be inserted through theui, as I have shown.

I am aware that reversible H rails, approaching the form of the rail which I have herein described, have been seated into recesses formed in chair plates, and that, in conjunction with such recesses, diagonal braces have been used for preventing the rails from tilting laterally. Such braces do not support the lips of' the rails against downward pressure, nor are they self-holding. I do not therefore lay claim broadly to the seatingot` rails into l depressions, nor the supporting o f the rails by diagonal braces. I am also aware that a railroad rail chair has been constructed of one piece oi' metal with lip and' base supports, and therefore I lay no claim to such a chair.

Havingdescribed my invention, what I claim as new, and desire to secure by Letters Patent, is

1. A three-part railroad chair which is adapted for a reversible H rail, and so constructed-tliat the base of the rail will be received and closely held partly by a recess, e, in the chair-base, and partly by recesses jj, the

' side supports B, substantially as described.

2l In combination with a double-headed rail constructed with dat shoulders at c c, I claim a three-part chair A B B, with the lower head or base of the rail iitted into a recess, e, in the chair-base A, and the lips of both rail lheads sustained by the upper portions c c of the side plates B B, substantially as described.

SAMUEL S. BURT.

`Witnessesz R. T. CAMPBELL, JOHN KINGDON.

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