US1281817A - Journal-bearing for railway-cars and the like. - Google Patents

Description

w. H. NUNAMACHER. JOURNAL BEARlNG FOR RAILWAY CARS AND THE LIKE.

APPLICATION FILED JUNE 8, 1918.

1,281,817. Patented 060.15, 1918.

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JOURNAL-BEARING F 1d; ganrnwax cl a? 1,2 1, 17 specification of Letters l atent.

Application filerlJ'une it, 15413.

To all whom it may concern.

Be it known that I, VVILLIAM Nana MACHER, a citizen of the United States, and a resident of Newark, in the county of Essex and State of New Jersey, have invented new and useful Improvements in Journal-Bearings for Railway-Cars and the like, of which the following is a specification.

The objects of this invention are to enable roller bearings to be applied to the trucks of railway cars and the like for receiving the axles of the wheels; to enable the rollers to be readily accessible for removal or replacement; to secure a simple and durable construction, which can be applied to railway trucks now in use, and'to obtain other advantages and results as may be brought out in the following description.

Referring to the accompanying drawing, in which like numerals of reference indicate the same parts throughout the several views,

Figure 1 is a side elevation of a portion of a car truck and wheel to which my invention has been applied;

Fig. 2 is a perspective view of the journal box removed from the truck;

Fig. 3 is an outer end view of the journal box on larger scale with the cover removed;

Fig. 4 is a cross-section of the journal box through its rollers;

Fig. 5 is a detail view of one of the rollers;

Fig. 6 is a central vertical section taken longitudinally through the axle, and

Fig. 7 is an inner end view of the journal box.

In the specific embodiment of the invention shown in said drawings, 1 indicates a .journal box of any suitable and'welhknown type, such for example as the one of my priorPatent No. 1.074511 issued October 7, 191 said particular journal box being removably mounted in the car truck frame 2. More especially, the journal box is provided on its outside and intermediate its inner and outer ends with a peripheral slideway 3 adapted to receive at the top and bottom of the journal box arms 4, 5 of the truck frame, and at one side a cross-piece 6 of the truck frame. while the other side receives a re movable filling block 7 which fits between the arms of the truck frame and is held by an upright bolt 8 passing through all three parts. Reference may be had to my said prior patent for further details of the mounting the journal i v in the truck frame, those features form? no part of the present invention and therefore requin ing no further descri here. My present invention can be used with ordinary and well-known type of journal box regardlesswot how it mounted on the car truck.

10 indicates the cover for the outer end of the journal box, which is opened for inspection and oiling, said cover being hinged at the top and closing against an upwardly curved extension 11 of the front end of the floor of the journal box.

Inside the journal box is a rectangular roller cage 12, which fits the box laterally but in an up and down direction is considerably shorter than the height of the box. In use this cage 12 lies inside a depending stop 13 across the top of the journal box, and providesa space between itself and the bottom of the journal box for waste or other absorbent material for oil. Preferably the height of the cage. is such that when lowered sufliciently to pass the stop 13 it can easily' be removed from the journal box over the front bottom extension 11. The cage 12 has a cylindrical opening ll to hold an annular series of rollers 15 around the reduced end 16 of the axle 17, as clearly shown in the drawings.

l pon the opposite ends of the cage are retaining plates 18, 19, which have round openings of a litle less diameter than the opening 14 of the cage, so as to project over the ends of. the rollers and hold them against endwise movement. The edges of these openings in the end plate are preferably roundcd interiorly, as at 20, to better fit against the beveled or rounded ends of the rollers. In order to facilitate removal or insertion of the rollers, the front end plate 18 is made sectional, with the ends of the removable section 21 beveled at 22 or otherwise adapted to underlie the ends of the fixed section 23.

The. shoulder formed by the reduced end 16 of the axle is concaved or rounded, as at 24, to fit against the rounded ends of the rollers. and the extremity of the axle receives an end bolt 25 with a threaded stem 26 to screw into the axle and an outer angular portion 27 to receive a wrench for turnin The main portion 28 of the head of the be t rollers 1-5 but smaller than the opening too of the end plate 18, and preferably is concaved or rounded at its inner edge to fit versely across the cage, as at 30, 30, so as to Y cut-through into the opening or roller chamber 14:. Any other suitable construction for obtaining this result might be employed, however.

in use'the journal box rests upon the top of the roller case 12, back of the stop 13, and whenever it becomes necessary to inspect the rollers, the load is jacked up to raise the journal box away from the roller cage 12 sulhciently for the stop 13 to clear the top of the roller cage, Then the endbolt 25 can be removed and the upper section of the end plate 18, whereupon free access is had to the rollers 15. in order to accommodate this upward movement of the journal box with respect to the axle, the aperture 31 in the inner end wall of the journal box is elongated vertically or made elliptical, as shown in Fig. 7

My improved roller bearing can be used not only for freight cars on railways but also for passenger coaches, trolley car service, trucks or any kind of vehicles having journal bearings to which it can be adapted. Various modifications and changes may be made in the course of such adaptation without departing from the spirit and scope of the invention, and I do not wish to be understood as restricting myself except as required by the following claims when construed in the light of the prior art.

Having thus described the invention, what I claim is:

1. The combination with a journal box and means for supporting the same, of a roller cage in said journal box having a limited movement vertically with respect thereto, an axle projecting into said roller cage, and rollers around said axle held by said cage.

2. Th combination with a journal box and means for supporting the same, of a roller cage in said journal box having a limited movement Vertically with respect thereto, an axle. projecting into said roller cage, rollers around said axle held by said cage, and an end bolt screwed upon the end of the axle having a flange projecting over the ends of the rollers.

4. The combination with a journal box and means for supporting the same, or" a roller cage in said journal box having end plates with apertures smaller than the aperture of the cage, an axle projecting into said roller cage, and rollers between. said axle and cage and held against endwise movement by the said end plates.

5. The combination with a journal loox and means for supporting the same, of a roller cage in said journal box having end plates with apertures smaller than the aperture of the cage the outer end plate being sectional with one section adapted to'- underlie the other at their meeting edges and to be de tachably secured at its opposite edge, an axle projectmg into said roller cage, and rollers between said axle and cage and held again endwise movement by th said end plates.

-6. lhe combination with a journal b.

and means for supporting the same, salt. it

journal box having a stop at the upper part of the outer end of its opening, a roller cage in said journal box adapt-ed to engage said stop or be released therefrom by raising the journal box with respect to the cage, an axle projecting into said roller cage and rollers around said axle held by said cage.

7. The combination with a journal box having an upwardly projecting extension at the outer end of its bottom and a stop at the outer end of its top, of a roller cage in saidjournal box normally engaging said top behind the stop and adapted when the box is raised with respect to the axle to pass outward between said stop and floor extension.

WILLIAM H. NUNAMACHER.

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