US61873A - Improved railroad oab truck - Google Patents

Description

D.B.ROGBRS.,

RAILROAD GA-R TRUCK.

Paten-ted Feb. 5, 1867.l

9.- s* '1 fr. .i

arieh tetes stmt {fue} IMPBOVED RAILROAD OAR TRUGK.

fitte .clgcbule :eterni tu jatten Enters, ntmt ma, linking pnt rf4 thehun.

TO ALL WHOM IT MAY CNCEItN: i t j Be it known that I, DAYID B. ROGERS, of Pittsburg, in the county 'of Allegheny, and State of Pennsylvania, have invented a new and improved Mode of Constructing Railroad Car Trucks; and I do hereby declare that the following is a full and enactl description thereof, reference being had-to the accompanying drawings, and to the letters of reference marked thereon.

. The nature of my invention consists in, first, the constructing `the frame; second, in constructing pedestal and arms, and of applyingthe springs. i i

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction nd operation. I

Figure 1 is an isomeptrical elevation representing a side perspective view of a truck,'in^whicb are seen both the place and manner of applying the springs at the letter A.; also how the whole is applied to' the frame is seen at B;

Figure 2 is a halt sect-ion' opened, or theft-ont of thel pedestal taken olf, by which is shown the form of the inner part of the jointed arm,'as seenat C; also the manner of fastening the shackle tothe` pedestal, and is A'represented by the red-inkblock, withv a boltpassing through the lower end to which the shackle or bolstersnt ,is hung, as seen'at the letter D, and bolted through the pedestal, as seenat E.

In constructing-my jointed arm pedestal, take two plates of suitable dimensions, etherfcnst or wrought, and'drill holes at the proper places to receive apin passing through the arm, as is s eenvat E, iig. 1, and other holes to bolt the two plates on to the 'shaokeblock, as is shown ing. 2, at E. I then .b olt the two vpieces together with the shackle-block between them, and 'running up far enough 'to form a's'eatfor spings, asis 'seer ln t iig'. 2, red block, the two plates projecting far enough each way from the rodblock to receive the jointedarm', as is shown in iig 2, the dark representing one side of the pedestal, the red representing the block. In forming4 the jointed arm, I either bend a bar, or cast, after the form see'n in iig. 2, either with solid arm `or with socket, as is shown in tig. 2, at g, so as to receive quarter elliptic springs.' In forming this urm,.it will be seen'that a projecting bearing is part vof its `form passing just above over the shackleblock and sets againstthesprings; this is seen in iig. 1, at A. H is a lid or cover to keepthe springs from working up. I isa spring-catch.to keep `the lid shut. In constructing my truck-frame, I take two bars, four 4inchesiin width,halt` inch thick, and bolt them on to the outer and inner ends (orxsides) of the journal-box, instead of the top and-bottom, as is the usual way, .Ly which I obtain as strong struck with less labor and material, not being so liable tofbreak'the bolts, inasmuch as they pass through horizontally, as seen at K, the box having grooves toV receive `the bars. And as they are set edgewise, they are stronger with the same heft of iron than any now in use. Further, in forming my pedestal, I can cast it whole, with its necessary openings to receivethe jointed arm.

Having described the construction of my'inv'entio'n, I now proceed to describe its'operation. I contend that it will give an easy ride, because the action on the spring isso far from the blow or bearing point that the shoclr` will be quite lost before it'reach'es the load,and more so because of the horizontal action on the pedestal spring; and if the quarter elliptic is used, itconstitutes an equalizer,'which always-contributes to an easy ride. I think Atwenty-five per cent. may be savedfor passengercars, and thirtyfthree or more for freight. 'In applying .my

spring arrangement to the frame, I either set,it on the top of thejonrnal-box or at a near point thereto between the two side irons, as seen at R.

O'lam.

I claim an improved car truck, to' which is attached the spring g, or its solid counterpart, when-the sainois' `pivoted or` otherwise applied at R, and' its central connections controlled and supported by means of metallic spi-ings, enclosed in a casing with the lid H'and catch I, (or their equivalenh) to holdthern in position, asA and for the purpose herein described.

Also, in combination with the devices mentioned above, I claim theside-barsiK, when boltedto either side' of the journal-box vertically, in the manner and for the purpose herein set forth.

' DAVID B. ROGERS.

Witnesses: l

JOHN A. Sr.u1v, Cms. B. STRAIN.

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