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Патент USA US3077379

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Feb. 12, 1963
Filed Dec. 11, 1961
United States Patent O?iice
Patented F eb. 12, 1963
tended. Outer pocket 19 and slab 22 are deeper than
pocket 18 and slab 21.
There is no slab in the innermost pocket 17 which is
?lled by the downwardly extended and folded tufted yarn
coated fabric. The tufted yarn coating similarly extends
down the exterior wall of the pad and terminates at 25.
Spaced tapes 27 are secured to the lower margins of
James J. HennesSy, % Hennessy Lubricator Co. Inc,
605 Guilford Ave, Chambershurg, Pa.
Filed Dec. 11, 1961, Ser. No. 158,284
7 Claims. (Cl. 308-243)
fabric 15 and yarn 20 and extend across the bottom por
' The invention relates to lubricant distributors for rail
tions of the pockets.
way axle boxes and comprises a pad and pad support parts
adapted to rest upon the bottom wall of an axle box and 10
The structure described above permits oil to flow di
to feed lubricant by capillary action from the sump formed
by the bottom of the box to the surface of an axle journal
rectly and freely to the tufted yarn feeding elements for
the full width of the sump and for approximately half the
upon which the box is carried. The invention is par
distance between the bottom of the box and the journal
ticularly adapted for but not limited for use in an axle
surface. This results in supplying oil quickly and more
box of the type ‘described in my copending application 15 freely than is obtained with pads as previously used
which are pressed against the bottom" of the box and only
?led November 3, 1961, Serial No. 149,922, which em
provide a supply of oil to the innermost parts of the pads
bodies an axle box having a horizontal bottom wall.
The general object of the invention is to facilitate the
by its soaking through the pad material, the transmission
reception, feeding and distribution of oil by the pad
qualities of which are affected by the compression of the
structure. This object is accomplished by elevating the
material ?bers together, by dirt and sediment which may
coat the lower portions of the pad.
bottom of the pad above the bottom of the sump and
providing for the supply of oil to an intermediate portion
Preferably the outermost upright layers or feeding ele
of the pad at points spaced above the bottom of the
ments are engaged by side members 28 of sheet metal
or plastic positioned as shown with their margins resting
P Another object is to facilitate the insertion and removal 25 against the sides and bottom of box 2. Or these outer
layers may bear against inwardly offset portions 29 of
of the pad into and out of the open end of the axle box.
This provides for the ready inspection, cleaning and
the ‘box cellar side walls. This holds the layers upright
and avoids separation of the doubled layers.
replacement of the pad, or parts thereof.
These objects are attained by the structure shown in 30
The hollow center partition 9 and the unobstructed
the accompanying drawings in which:
passage thereto‘ from all parts of the sump permit oil'to
?ow freely to the innermost feeding elements of the pad
FIG. 1 is a top view of the lower portion or cellar
at a level only about 1" from the journal surface and
of an axle box of the type referred to above, the lower
from which it is fed directly by capillary action to the
half of the ?gure showing the platform upon which the
pad is mounted, and the upper half of the ?gure showing 35 lowermost part of the journal where the application of
the pad positioned thereon.
oil is most effective. The feeding elements have about
seven times as much surface exposed directly to oil as
FIG. 2 is a longitudinal vertical section on line 2-2a
in the ordinary pad, assuring more rapid absorption and
of FIG. 1. The left hand portion of the ?gure is also
supply to the journal. This shortened distance of capil
identi?ed as being on line 2—2 of FIG. 3, and the right
hand portion of the ?gure as being on line 2a--2a of 40 lary feeding and the increased absorption. area is par
FIG. 3.
ticularly advantageous during cold weather.
With the platform and upright members secured direct~
FIG. 3 is a transverse vertical section on line 3--3 of
FIG. 1.
1y to the box, for example by welding as indicated, the
The axle box comprises a cast metal upper half 1 and
a sheet metal lower half 2 \detachably secured thereto
and these parts are described in more detail in the above
mentioned application. The box is supported by a bear
ing 3 carried on journal 4 and the box supports the axle
load through ribs 5 in the usual manner.
Mounted on the box bottom wall 7 is a platform, or
positioning of the pads will be assured, and it is unlikely
that wider unshaped single pads will be substituted for
the more effective pad shown.
The inner end of the axle box includes an annular pock
et 31 of channel cross section adapted to receive a seal
or guard for dust and oil to prevent the loss of oil from
the box. This seal is shown in the above-mentioned ap
plication and is disclosed in another application ?led
two platform sections 9 comprising sheet metal or plastic
February 15, 1961, Serial No. 89,559. The seal and baf
members with downturned and out-turned ?anges 10 at
?e 30 permit a car equipped with axles having improved
their ends for supporting the member body spaced above
lubricators to be operated at high speeds and dumped
the box bottom wall. An upstanding center partition 12
is positioned lengthwise of the center of the platform 9 55 without undue loss of oil.
Variations in the details of the structure may be made
and is similarly ?anged at 13 for support upon the box
without departing from the spirit of the invention and
bottom wall although the partition could be supported
the exclusive use of modi?cations of the disclosure within
upon platform 9. The partition extends about half the
the terms of the claims is contemplated.
distance between the box bottom wall and the lower face
What is claimed is:
of journal 4. Platform 9 and partition 12 are apertured
1. In a railway axle box lubricator, a platform with de
as indicated at A substantially throughout their respective
pending supports disposed to engage the bottom wall of
lengths and widths.
an axle box and hold the platform spaced upwardly from
At each side of partition 12 is a pad structure com
said wall, an upstanding substantially rigid hollow longi
prising a fabric sheet 15, such as canvas, doubled and
65 tudinal member disposed lengthwise of the middle por—
folded as shown to form a series of pockets 17, 18, 19.
The fabric sheet 15 forming the sides and tops of these
pockets incorporates tufted yarn exteriors 20 which form
capillary feeding elements leading the oil from the sump
to the journal. Filler slabs 21, 22 of springy material
such as foam rubber or similar synthetic material are in
serted in pockets 18 and 19 and hold the pockets dis
tion of the platform, individually removable pads at op
posite sides of said upstanding member and including nar
row upright pockets of sheet fabric, the sides and top
faces of said pads including tufted yarn exteriors and
forming capillary feeding elements, elastic ?llers holding
the pockets distended, said platform and central member
having openings substantially throughout their areas for
admission of lubricant directly to the feeding elements,
and the upper faces of the feeding elements being con
caved downwardly to adapt the same for ?tting about the
same and said side members, each pad including a plu1
rality of pockets having tufted yarn exterior faces, indi
vidual elastic ?llers in said pockets holding the upper
and lower portions of the pockets in spaced relation, said
platform and members having openings near the bottom
pad feeding elements.
on the horizontal platform.
lower face of an axle journal to which the lubricator is
of the pad for admission of lubricant to tufted yarn por
2. A railway axle box lubricator according to claim 1
tions of all of the pads, the pockets and ?llers being of
in-which the platform and upstanding central member are
progressively increasing height from the central member
formed separately of substantially rigid sheet material and
toward the side members and affording a generally down
have ?anged lower portions for individual support on a
journal box bottom wall and are apertured substantially 10 wardly arcuate top face adapted to ?t against the lower
portion of an axle journal to which the lubricator is ap
throughout their length and width and are disposed in
plied while the lower ends of the pockets are supported
face to face contact with the adjacent portions of the
3. A railway axle box lubricator according to claim 1
which includes substantially rigid upstanding side mem;
bers adjacent the sides of the platform con?ning the pads
and holding them upright.
6. In combination with a railway axle box cellar form
ing a sump for lubricating oil, a platform across the sump
and supported at a level spaced above the bottom of the
sump and perforated substantially throughout its length
and width, a lubricant distributing pad comprising up
4. A railway axle box lubricator according to claim 3
right parallel layers of tufted yarn fabric, ‘forming capil
in which each pad has a plurality of pockets ‘between the
central member and the side of the platform and the 20 lary feeding elements, and intermediate slabs of upright
self-supporting spr-ingy material holding said layers up
pockets have parallel sides and are of increasing height
right, and spaced apart tape-like strips across the bottom
toward the platform sides whereby the top face of the
of said layers and slabs and secured to the lowermost por
pad is downwardly concave, to adapt it to ?t an axle
tions of said layers and leaving the lower edges of the
journal, while the sides of the pockets remain straight
and in contact with each other and with the central mem 25 upstanding layers exposed, through said platform aper~
ber and side member.
tures, to ‘oil in the sump.
5. In a railway axle ‘box lubricator, a horizontal plat
7. The combination set forth in claim 6 which includes
form with relatively short depending marginal support
portions, an upstanding substantially rigid hollow central
an upstanding narrow hollow partition intermediate the
sides ‘of the sump and between spaced upright feeding ele
member disposed lengthwise of the middle portion of 30 ments and open at the bottom throughout its length and
the platform, upstanding substantially rigid side members
spaced transversely of the platform from said central mem
ber, individually removable pads at opposite sides of said
central member and con?ned and held upright by the
No references cited.
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