US2827346A - Railway journal packing - Google Patents

Description

March 18, 1958 1 A. RUNTON RAILWAY JOURNAL PACKING Filed July 17, 1956 2 Sheets-Sheet 1 TTORNEY March 18, 1958 L. A. RUNTON RAILWAY JOURNAL PACKING 2 Sheets-Sheet 2 Filed July 17, 1956 Yafs ATTORNEY @.Utlltetaesf.; f

t Y nAnJWAYJoUnNAL PACKING Leslie A..Runton,'Middle Haddam, Conn., assignor to The Russelll Manufacturing Company, Middletowm Conn., a corporation of Connecticut Application July 17, 1956, Serial No. 598,379

Claims.' (Cl. 308-243) This invention relates to journal box packing for railway cars and particularly for freight cars having a journal -.--box for oil which is fed to the bearing by the wicking t action of the packing.

f box, and is easily inserted or removed.

Other objects and advantages will be apparent as the nature of the invention is more fully disclosed.

`Theinvention will be better understood from the fol- `lowing description taken in connection with the accompanying drawings in which a specic embodiment has been set forth for purposes of illustration.

In the drawings:

Fig. l is a perspective view of a journal box pad embodying the present invention;

Fig. 2 is a transverse vertical section through a journal box showing the present pad in place;

Fig. 3 is a longitudinal section taken on the line 3-3 of Fig. 2;

Fig. 4 is an enlarged fragmentary section showing the construction of the pad;

Fig. 5 is a detail view illustrating the weave of the pad; and

Fig. 6 is a perspective View of a wicking plug used in the present pad.

Referring to Figs. 2 and 3 the invention is shown in connection with a journal box l@ for oiling a journal 11 on which a car frame 12 is supported by a bearing 13. The journal box lil includes walls forming an oil reservoir 15 and an end door 15 through which the packing is inserted or removed. The journal box is of a standard type commonly used on freight cars.

The packing pad in accordance with the present invention comprises a woven fabric backing 20 which is adapted to conform to the contour of the journal 11. This backing 20 may be made in one or more plies. As shown in Figs. 4 and 5 the backing consists of two plies, each formed by interwoven warps 21 and fillers 22, the two plies being bound together by binder warps 23.

It will be noted that the upper exposed surface of the backing 2t) includes ridges 25 where the warps 21 pass over the fillers 22 and depressions or recesses 26 in the space between llers. These depressions serve to receive and collect solid particles or dirt which may be present and would otherwise injure the bearing or contaminate the oil. The dirt thus collected on the upper surface of the backing 20 may be removed from time to time by cleaning the pad.

The side edges of the backing 20 are provided with stiiening inserts 27 which may be made of textile woven as felted padding. These inserts 27 provide a suicient thickness and body for the upper edges of the backing Ztl to engage the under surface of the bearing 13 for Patented Mar'. 18,1958

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positioning the pad and also to prevent Vthe edges of the -backing from being pinched between the bearing 13 and the journal 11.

In use the wear between the upper brass bearing 13 and A the vrailroad car journal 11 embeds the journal deeper in the bearing and leaves a considerableopening at the two lower edges of the brass bearing. It may be as much as Ms away from the ,journal surface' after one years wear.

. posed of warp yarns 31- and ller yarns 32 which is woven onto the backing 26 at spaced points and extends downi wardly in loops 35 between such points. A row of such loops 35 is formed along the backing 29 as shown in Figs. i and 3. A Vseries of such rows are displaced llerwise across the backing as shown in Figs. l and 2.

These loops 35 are of a length to dip into the oil bath in the journal boxv 1li and to extend substantially to the bottom of such box. Plugs or pads 36 of absorbent or resilient material having wicking properties, such as felted wool bers or curled or crimped hogs hair or the like bonded into a spongy mass by neoprene or the like are inserted in the loops 35. These pads 36 are of a size ltocompletely till and be securely held by the individual loops and are of a length such that the plugs 36 in adjacent rows of loops are in loose contact and serve to shape the backing to the section of the journal 11 when in place in the journal box i3. The plugs 36 may be made wedge-shape for tting and holding the backing in place. The loops of each row are spaced apart to leave a space for oil therebetween and the loops ofadjacent rows which extend radially of the journal diverge at an angle to leave a wedge-shaped oil space therebetween. A hand loop 40 is attached to a pair of the end loops to provide a handle by which the entire assembly can be pulled out of the journal box and handled as a unit.

The loops 35 and backing 20 are made from yarn having wicking and non-carbonizing properties, for example spun Daeron, a polyester liber having a basis of polyethylene terephthalate, so that the oil in the journal box 10 is absorbed by the plugs 36 and loops 35 transferred by wicking action to the backing Ztl by which it is applied to the journal 11 for lubrication purposes. The lubrication eflect continues, even after all of the free oil has been absorbed and in fact until all of the oil has been fed by the wicking action of the loops and backing onto the journal.

A prevalent objection to the use of cotton waste is the formation of an oxide film on the journal, composed partly of some of the softer metal from the brass stationary bearing iu combination with carbon from charred parts of the cotton and sulphur molecules from the oil. This build-up on the surface of the steel journal increases the coefficient of friction and therefore the heat generated during motion. It also peels olf as a scale or glaze onto the cotton pad and stops the ow of lubricating oil from the pad to the journal.

The present pad eliminates this build-up of oxide film by using Dacron which does not carbonize and can withstand high temperatures and does not serve as a bond for the molecular chain involved in creating this oxide lm.

The textile pad can be readily removed and replaced and the plugs or pads 36 can be removed from the loops 35 and renewed when necessary.

The depending loops and plugs engage the bottoms of the journal box to hold the backing in pressure engagement with the journal. VThe construction is such that the pads 36 retain their resilience so as to maintain pressure on the backing for the entire life of the pad.

The plugs 36 are preformed from felted fibers which may berbondedso as to retain theirV shape and dimensions.

(Such a material shghIy absorbent due to the'air spaces therein and readily absorbs and transfers oil to the loops 35 bywhich it is fed to the backing.

VThe felted wool plugs are highly absorbent. The bonded hogs hair pads are somewhat less absorbent but have great resilience and retain this'resilience throughout their life. Such plugs serve to maintain the backing in pressure engagement with the journal. A Combination of both types of plugs may be used if desired. Y

The'backing may bewoven in one piece or may be wovenV in plies and secured together. The backing is shown as formed in strips, each carrying a row of loops 35 and stitched together by rows of'stitches 41.; VIt may berwoven as a single piece however if desired. f

What is claimed is: j

V1. A pad for lubricating journal bearingsin railway journal boxes or the like, comprising a woven backing of textile material having wicking properties adapted to bear against the exposed surface of the journal, a plurality of rows of spaced loops of textile material having wicking properties depending from said backing, said rows of loops being parallel to each other, the loops of each row being in alignment with each other in a horizental plane and spaced apart to provide an oil space therebetween with the openings in said loops transverse to the alignment of the loops, and a separate plug of fibrous material disposed in and carried by each of said loops, said plugs being resilient andvbeing adapted tor hold said backing in pressure engagement with said joursaid rows of loops extends longitudinally of the journal with the openings of said loop extending transversely of the journal axis Vand the-loops projecting radially of the journal whereby the loops of adjacent rows are angularly displaced relatively toV each other to provide an oil space therebetween.

2. A lubricating pad as set forth in claim l in whichV said loops Yare woven into said backing.

3. A lubricating pad Vas set forth VVin claimV 1 in WhichY said backing and said loops are composed of spun yarn comprising a polyester filamentary material having a basis of polyethylene terephthalate.

4. A lubricatinglpad as set forth in claim 1 in which said plugs are composed of felted woolbers.

5."A lubricating pad as set forth in Vclaim 1 in which said plugs are composed of curled hogs hair bonded in a spongy'mass by neoprene.

References Cited the le of this patentr UNITED STATES PATENTS 91,000 Devlan lune 8, 1869 2,049,225 VRipley July 28, 1936 2,264,250 Shoemaker Nov. 25, Y1941 2,713,524-, Hagy July 19, 1955 2,747,952 Harkenrider May 29, 1956 2,762,665 Harkenrider ..Sept. 11, 1956

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