US8220A - Axle-box fob - Google Patents

Description

28111-41111.. o. N. FRENCH. ees ee l Car-Ax1e 130x. No. 8,220. I Patented July 15, 1851.

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No. 8,220. yPatented July 15, 1851.

' 2 Sheets-Sheet `2.

STATES PATENT 1 OLIVER N: FRENCH,` OF "LONDON, CONNECTIGUT, ASSIGNOR TO OLIVER N. FRENCH STEVENS,` OF HOPKIHNTON, NEW HAMPSHIRE. f

j `AxLE-Box non JOURNALS roltnarmtonnfcans.

Specification `of Letters Patent No,A 8,220, dated 1J 15 `Il/8,51.`

To all whom t may concern: j j

Be it known that I, OLIVER N. FRENCH, of New London, in the county of New London and State of Connecticut, have invented a new and useful Improvement in Axle- Boxes for Journals of Railway-Carriages; and I do hereby declare that the same is fullydescribed and` represented in the following specification and accompanying drawings, letters, "figures, and references thereoi'.` i j Of the said drawing Figure 1, denotes a side elevation of `one ofmy improved boxes as made for inside bearings or in other words, for an axle, whose journals are between the two wheels. Fig. 2, is a rear end view of the same. Fig. 3, is a central vertical and transverse section of the boxand axle. Fig. 4, is a central vertical and longitudinal section of the same. j j f My improvement although represented as "applied to inside bearings Iis equally applicable to outside bearings. The object or purpose of it, is to `entirely dispense with screw bolts, nuts or contrivances of like character, to hold any one or more of the parts of the box together, asit is well known that their liability to `become loosened by reason of the constant shocks, concussion,

and jar produced by the wheels and irregularities of the rails, of the track, is such as to often require careful inspection, and tightening up on the part of those in charge. In the` said drawing it represents the case of the box. In the `common manner of constructing such case it has been made with its top cast in one piece with its sides, and with an opening through one side, which opening had to be covered bya cover or plate secured in place by screws` In my improved box the top a, is made separate from the sides, and has the cover plate b of the side opening cast at right `angles to and in one piece with it.` Each of the two opposite sides of the case A,has a projection or shoulder o or c', cast or formed on `its inner surface, and at its upper part as seen j -to rest upon thel axle or journal D. i The cover plate b and the end d, of the case, are

each provided with a semicircular recess or at E as groove for the reception of a semicircular packing e or e', of leather which is placed order to preventthe admission of dirt or extraneous matter into the box.

\ Aport-ion of the hub of the wheel is seen placed outside of the box and on the axle. I i

In order to keep the top a and side plate b in place each side plate f or f', has a rectangular projection g from and cast upon its top, and when t-he top is placed on the a corresponding recess h cast or formed up in them and made to surround the axle, in j Vsides such projection is made to enter into i j into the top plate a. The checks k la of the box extends up above the top surface of the a sides f f, in order to hold the top a, in place in directions transversely of the axle.

Fig. 5 shows a vertical *central and longi- `jtudinal section 1 ofniy improved box, as-` made for outside bearings or those for journals which project beyond the outer sur` face of a wheel. Fig. 6, is a vertical central and transverse section of such box. Fig.`

T, is a side view of it. In the said figures, A denotes, the case of the box, B isthe bearing, C the axle, D the journal thereof, F is the slide plate such as is now in general use,

and is` known as the improvement patented on `the tWenty-rst day of November leighteen hundred and forty-eight by John Sightener.

a, is the movable top plate of the box,

while is the cap or cover plate cast to it and making one piece with it.

c'. c, are thel projections from the sides f, f, of the case,jthe slide plate F, being made to extend underneath and rest against the same, while the bearin B rests against the under side of such side plate. The checks are seen at lc, 7c.

I, is the spongeand oil reservoir, while K, is the leather `packing extending around the axle. g denotes the projection and 7L the recess as before` described.

What I claim as my invention or improvement is- To support the case A, or the bearing B, by projections c, 0, or analogous contrivances applied to its sides in combination with making the top `plate a of the case and the cap orside plate b, in one piece, separate from the rest ofthe case, and holding them inplace by'recesses and projections or analogous, contrivanees subst-anattendant so necessary when boxes are used, tially as described, the Whole being to enhaving any of their parts secured by screws. able me to entirely dispense with t-he use of In testimony whereof I have hereto set my 10 the screws or screws or nuts in the construcsignature this twenty-fourth day of May tion of a railway ear, aXle box, and thereby A. D. 1851.

avoid not only the injurious consequences OLIVER N. FRENCH. Which frequently result from their becom- "Witnesses: ing loose, but also the necessity of that care WILLIAM I-I. GRIGGS,

and attention on the. part of the Carman or ISAAC W.DOW.

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