USRE17322E - Lubricating bearing for journal boxhs - Google Patents

Description

Julfn 1.1', 1929.

GEvENo LUBRICATING BEARNFQR JOURNAL BOXES Original Filed May-131 1920 2 Sheets-Sheet l Imentt .Znenug,

Stimm-q June l1, 1929. 'ca-EVEN() Re. 17,322

Y LUBRICATING BEARING FOR JURNAL BOXES originali Filed May 13- 1920 2 sheeis-sheei 2 W I Georges Efveno, @zu v Ressue'd June 11, 1929.

UNITED STATES i Re.11,3zz PATENT OFFICE.4

@Renensv EVENO, or rams, FRANCE, AssIGNoR 'ro IsOTHERMos CORPORATION or,"

AMERICA, or NEW YORK, N. Y., CORPORATION or DELAWARE LUBRICATING REARING FOR JOURNAL Box'ns. y

Original No. 1,701,707, dated February 12, 1929, Serial No. 381,050, iled May 13, 1920, and in France` l May 16, 1919. Applieationfor reissue led March 26, 1929. Serial No.v350,120.

i My invention relates Ato journal .boxes for railway cars and the like, and has as its chief object theprovision of means for distributing and retaining the lubricant within the box. With this in View it is my object to provide a lubricating device capable of supplying a journal Vwith a regular and continuous amount of lubricant in suitable quantities at all speeds; and also to prevent, or reduce to a minimum, loss of lubricant from the box. It

' is further -my object to utilize both the force of gravity and centrifugal force to accompush distribution Oftheiubricant. i

5 My 1nvent1on then consists 1n the construction,.combination, and arrangement of parts herein described and claimed, and illustrated in the accompanying drawings which show by way of example in vertical section various Y practical forms of the invention applied to a Figure 2 shows an arrangement slmilar to Fi 1, in' which thecollecting member is provi ed with a coned edge;`

Figure 3 shows a similar arrangement in which the collecting member is provided with interior partitions;

Figure 4 shows an arrangement in which the collecting member serves also as a bearing for the dust cap; and, f

Figure 5 shows a completeJ journal box including means for distributing the lubricant, and showing an arrangement in which the .collecting member does not l overhang the bearing.

Referring to these drawings and particularly to Figure 5, the journall supports the box through the brass 8 which rests thereon, the brass 8 preferably being provided with grooves in the usual manner for the distribution of the lubricant supplied to the brass.

,On the end of the journal I secure, by suitable means such as the bolts shown, a pallet a, preferably formed of a stripl of metal extending to both sides, and bent at and c so las to extend over the end of the brass 8, the

portion beyond the bend e being of sufficient length to dip into the Oil reservoir 11 at the bottom of the box as the journal revolves. The width ofthe pallet to be used depends on the size of the journal and the viscosity of the lubricant, being made sufficient to pick up enough lubricant to supply the bearing withf its needs. n j

The upper part of the box above the path of the pallet a is inclined and provided with a series of pockets ci, the dividing edges e of which lead the lubricant thrown thereon by centrifugal force from the pallets to the wall f of the box, which the lubricant runs down onto the brass 8 whence it is distributedlby the 65 said grooves in the usual manner.

In view of the bends in the pallet, bringing l the ends over the brass, when the speed is not suliicient to cause .the oil to be thrown oft' against the pockets d by centrifugal force, it Y Lubricant being provided in quantity to the journal it is important to provide efficient means for preventing loss of lubricant along the shaft. While discs have been used for this purpose, such have not proven entirely satisfactory, and I have devised a collecting' 80 member 2 fixed to the shaft and having a cavity 8 facing toward the journal of such dimensions that the capacity thereof corresponds to the quantity of oil or grease received by the part lubricated, which oil or grease has a tendency to escapeby the opening of the ybearing during the rotation of the axle between two stops of the vehicle. A v

Lubricant passing along the journal l from under the brass 8 has a tendency to be thrown 90 outward by centrifugal force, and also to iow along the shaft. The collecting member 2 may be disposedv as shown in the Figures 1-4L to voverhang the end of the brass and collect the oil thrown olf by centrifugal force,which g5 is retained in the cavity 3 while the shaft rotates rapidly, but as fthe vehicle/comes to a stop, the collected lubricant flows gently from the bottom edge of the collecting member 2 into the oil reservoir 4. Experience has de- 10o monstrated that the lubricant will be maintained by centrifugal action in the cavity V3 until a relatively slow speed insufficient to cause projection-is attained.

To facilitate flowing ofthe lubricant-when the vehicle stops and in order to prevent the small quantity which may be found on the j edge of themember 2 at the moment of start` memb ing into movement from flowing over the external surface offthe disc'and thus escaping to-the exterior of the axle box, the external and linternal edges of the, member 2 may be provided with coned portions 5 (Fig. 2).

To avoid premature flowing of thelubricant due to transverse shocks which may break the adherence and the cohesion of the liquid, separation chambers 6 (Figs, 4 and 5) may be provided formed by the interposition of rings or partitions 7 integral with the internal sur-4 face of the member 2. The chambers 6 act not only because the contact surface is very great but also because the weight of the liquid in suspension is diminished. On the other hand, the resistance to shocks combined with the centrifugal action is found to augment proportionately to the surface.

Figs. 4 and 5 show the member 2 in two different positions relatively to the brass 8, the first overhanging the brass and the second removed from it, but in both of which the member 2 serves as a bearing for the dust cap 9'While -it is preferable, generally speaking, 25v

to cause the member 2 to overhang the brass 8. This second arrangement may be used advantageously Where the space is limited for the adaptation of the lubricating bearing to the axle.

1. In a journal box, means for retaining the lubricant comprising a collecting member secured to the shaft and having a cavity facing toward the journal, and inward and outward conical flanges formed at the edge of said member.

2. In a journal box, means for retaining the lubricant comprising a collecting member secured to the shaft and having a cavity facing toward the journal, said cavity being divided by internal annular partitions.`

3. In a journal box, means for retaining the lubricant comprising a collecting member secured to the shaft'and having a cavity facing toward the journal, said member forming'a bearing forthe dust guard.

4. Ina journal box, means for retaining the lubricant comprising a collecting member secured to the shaft and having a cavity facing toward the journal, and an inwardly extending conical fiange formed at the edge of said 5. In a journal box, means for retaining the lubricant comprisingl a collecting member secured to the shaft and having a cavity facing toward the journal, and inwardly and outwardly extending flanges formed at the edge of said member.

6. In a journal box having a lubricant reservoir, a bearing having passages leading from the end thereof to distribute lubricant to the journal,a pallet secured to said journal having a portion arranged to dip into the lubricant reservoir and to pass'over the end j 'of said bearing, and means on the inner top surface and connecting side wall of the casting forming the box for directing lubricant to-said passages `in the bearing.

7. In a journal box having a lubricant reservoir, a bearing having passages leading from the end thereof to distribute lubricant to the journal, a pallet secured to said journal having a portion arranged to dip into the lubricant reservoir and to pass over the end of said bearing, and means on the inner top surface and connecting side Wall of the casting forming the box for directing lubricant to said passages in the bearing, said means comprising a plurality of adjacent channels inboth the top surface and side wall forming continuous intervening lubricant guiding ribs.

8. In a journal box having a lubricant reservoir, a bearing having passages leading from the end thereof to distribute lubricant to the journal, a pallet secured to said journal having a portion arranged to di in the lubri cant reservoir and to pass over t 1e end of said bearing, and means above the path of the pallet on the inner top surface and also on the connecting side Wall of the casting forniing the box for directing lubricant to the said passages of the bearing.

9. In an automatic lubricating journal box having alubrcant reservoir, a bearing having means for distributing lubricant to the journal, means for conducting the lubricant connecting side wall of the -casting forming the box to receive centrifugally thrown lubricant and direct the same to the bearing, and

a lubricant collecting member on the shaft at the rear end of the bearing and having a cavity facing toward the journal.

In testimony whereof I hereunto aiix my signature.

GEORGES EVENO.

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