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Патент USA US3044797

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July 17, 1962
w. H. KORN
3,044,788
DUST GUARD WELL CAP
Filed Aug. 30, 1960
2 Sheets-Sheet l
FIG. 2
ATTORNEYS `
July 17, 1962
w. H. KORN
3,044,788
DUST GUARD WELL CAP
Filed Aug. 30, 1960
52'
2 Sheets-Sheet 2
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ATTORNEYS
.
3,944,788
United States Patent 觟iice
Patented July 1-7, 1962l
2
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Advantageously, said rib h'asna relatively long hori-v
3,044,788 `
zontally extending expanse of engagement with the top " `
'
DUST GUARD WELL CAP
Waldemar H. Korn, 729 ?Western Ave., Davenport, Iowa
Filed Aug. 39, 1960, Ser. No. 52,980
edge of the dust guard so as to effectively key or limit the
to and fro rotary or rocking movement to which the dust
gua-rd is subjected in its sealing function about the car `
Y
3 Claims. (Cl. 277-131)
axle.
The present invention rel-ates to ian improved construc
~
Y
?
Another feature of my improved well cap is its variable
tion in railway car journal boxes.
f
vsize construction according to which one size well cap
At the inner end of the conventional railway car journal
can be varied in dimensions to iit different'sizes of wells.
box there is customarily provided a vertical transverse
Another feature of my improved well cap is the -' pro
well or slot for reception of a dust guard which encircles
the car axle. In my copending application, Serial No.
538,857 iiled October 6, 1955 now Patent No.,2,95l,7l8,
I have shown, `described and claimed an improved form
of dust guard which fits in such a well While the present
vision of improved fastening means for fastening the~cap
to the top of the well. `
from the following detailed description of certain preferred
embodiments thereof.
v
._
,
_
,
In the accompanying drawings illustrating suc-h em
application which is 'a continuation-in-part of said copend
ing application is more particularly> directed to my im
proved construction of well cap for enclosing the ?dust
guard in said well and its cooperating relation with the
aforementioned dust guard.
y
Other objects and features of the invention will appeal-
bodiments:
Y
'
K
Y
FIGURE 1 is a vertical sectional view of a car journal
box with the car )axle shown in elevation and my improved
cap shown in section enclosing the top _of a well containing
a dust guard in accordance with the'invention;
' 20
A principal object of the present invention is to provide
railway car journal boxes with -a cover for their dust
n FIGURE 2 is van enlarged fragmentary sectional View
guard receiving well .which is of simple construction but
through the _dust guardv receiving well of the journal box
nevertheless is effective to prevent the entrance of dust
and other foreign matter from exterior of the box and 25
which cover will -:also cooperate with the dust guard to
form ltherewith an effective seal against- the escape of` oil `
either along the axle or along the walls or out through
the 籺op of the aforesaid well in which the dust guard is
positioned.
.
'
.
l
.
,
FIGURE 4 is a reverse or bottom view of the well cap
n
`
,
FIGURE 6 is a transverse sectional View on 籥 larger
of FIGURE 5;
?
,
FIGURE 7 is a transverse sectional view taken ap
proximately on the plane遫f the line 7-7 of FIGURE 5;
FIGURE 8 is 1a fragmentary plan View of one end of
the cap showing the top 'and side tongues bent inwardly
for adapting the cap to a smaller size of Well;
�
FIGURE 9 is `a transverse sectional view through a
40
. The intermediate layer of sealing material is formed
modi馿d construction employing an internal fastening clip
for holding the cap on the well;
around its outer periphery with two outwardly divergent
elastic lips which taper in diminishing thickness to feather
n
FIGURE 10 is ra vertical sectional view through one
edges. These flare laterally beyond the outer side sur
faces of the plywood backing layers ?and establish sealing '
contact with the side walls of `the vertical Well or slot re
two outwardly divergent elastic lips.
.
' scale, taken approximately on the planeof the line 6~--6
central opening passes through all three layers for receiv
the intermediate sealing layer may also be formed with
a third elastic lip which projects downwardly between the
_.
FIGURE 5 is a longitudinal sectional view o-f the cap,
30 showing the latter mounted on a dust guard receiving well;
-tion will comprise two spaced outer layers of a stiff back
ing material, such as plywood, Masonite or the like, be
tween which is secured an intermediate layer of pliable
sealing material such as neoprene, molded rubber, rub-'
berized cloth or the like, -the three layers being secured
together by stapling or in any other `suitable manner. A
ceiving the dust guard. The lower peripheral portion of
`
proved well cap; , `
shown in FIGURE 3; ?
adapted to cooperate in accordance with the present inven
'
,
FIGURE 3 is a top plan view of one form of 縨y im
Y
` A dust guard with which my well cap is particularly
ing the ycar axle.
shown in FIGURE l;
of the internal� fastening clips;
FIGURE 1l is la longitudinal sectional view
?
of tan
other form of the invention;
FIGURE 12 is a transverse sectional view, taken ap
proximately on the plane of the line 12-12 of FIGURE
ll;
FIGURE 13 is a transverse sectional view showing an
50 indented lug form of fastening means;
�
,
FIGURE 14 is an elevational view showing the indented
In accordance with my present invention, I provide a
well cap having means by which it may be fitted to the
lug in one of the side ilanges;
'
open top of the dust guard receiving well after the dust
FIGURES 15 Vand 16 tare transverse ysectional views
guard has been inserted therein and which may be firmly
showing two further forms of fastening means;
.
but releasably secured thereto. Preferably it will be 55 FIGURE 17 is a fragmented longitudinal sectional
constructed in the form of `a sheet metal stamping having
view of still another form 玱f fastening means; and`
a compressible sealing gasket on its under side for estab
FIGURE 18 is a fragmented top plan of the embodi- '
lishing an oil tight seal against the top of the well and
ment illustrated in FIGURE 17 as viewed from a posi
will have means which cooperate with the elastic lips of
tion indicated by line 18-18.
v
the 籥foresaid construction of ydust guard to increase the 60 Referring first to FIGURES l and 2, a railway car
effectiveness thereof in its sealing function 玜gainst the
journal box 15 is provided at its outer end with an open
escape of oil from the box either along the axle, or along
ing 16 which is normally closed by a suitable cover 17
hinged to the box at 18. The inner end of the box is
the walls or out through the top of the aforesaid well in
which the dust guard is positioned.
provided with a cylindrical opening 19 for receiving the
Thus, a feature of my improved well cap is the pro
vision of a parting rib on its underside which projects
therefrom downwardly and serves to spread apart the two
journal ofthe car axle 20. The journal comprises an outer
bearing portion 21 and an inner portion 22 of larger diam
divergent elastic lips extending upwardly from the top of
the dust guard, keeping these two lips pressed outwardly
eter. Engaging with the outer bearing portion 21?is the
conventional arcuate bearing 23 held in place in the box
by the conventional bearing wedge 24.
.
into contact with the side walls of the well independently 70 .Formed at the inner end of the journal box is a conven
tional dust guard well or slot 25 having an open top 26,
of up and down movement of the dust guard Within the
parallel side walls 27 and a bottom wall 29. Cylindrical
well.
3,044,788
3
opening 19 at the inner `end of the journal box passes
through this dust guard well or slot 25 and is of larger
size than the large journal portion 22 to permit the jour
nal to have limited floating or vibratory movement in the
box.
'
The dust guard, designated 30 in its entirety, com
prises a stii� body portion made up of two spaced backing
layers or laminations 31 and 32 composed of plywood,
pressed libre board such as Masonite, and the like. In
terposed between these two backing layers 31 and 32 is an
intermediate sealing layer or lamination 33 composed of
neoprene, molded rubber, rubberized cloth or other elas
tomeric or rubbery resilient material. The three lamina
tions 31-33 are preferably secured together by wire staples
34 passing through all three laminations, although they
annular lip 40 is held pressed upwardly against the under
side of the car axle by the resilient thrusting reaction ex
erted against the bottom wall 29 of the well 25 by one or
more of the sealing lips 36, 36, 37. In FIGURE 2, I have
shown all three sealing lips 36, 36 and 37 exerting thrust
ing reaction downwardly against the bottom wall 29,
with the two laterally divergent lips 36, 36 also contacting
the side walls 27. However, I may make the intermediate
lip 37 longer for effecting sole contact with the bottom
wall 29. Thus, as the lower portion of the internal annular
lip 40 wears away from contact with the under side of the
journal portion 22, the dust guard slides upwardly auto
matically under the action of this lip pressure reacting
,downwardly against the bottom of the well 25, thereby
maintaining an effective seal against oil leakage along the
or by a suitable adhesive. A central opening 35 passes
bottom of the journal 22.
Formed in the inner plywood layer 31 in communication
through all three laminations for receiving the journal
with the V-shaped groove 41 are one or more oil return
might be secured together by rivets, pins, bolts or the like,
channels 44 which lead from the bottom of the V-shaped
Formed integral with the intermediate sealing layer 33 20 groove 41 and open onto the inner face of the inner ply
wood layer 31. They function to return accumulations of
and projecting outwardly from the outer peripheral portion
oil from the lower part of the V-shape groove 41 into the
thereof are two laterally or outwardly divergent lips or
interior of the journal box. These oil return channels 44
tins 36. The outer edges of these outwardly divergent
are oppositely inclined relatively to the opposite direc
lips 36 establish elastic sealing contact with the side walls
tion of rotation of the journal so as to deflect into the jour
27 of the dust guard slot or well 25.
nal box accumulations of oil thrown by the journal from
Formed around the lower peripheral portion of the
the lower part of the V-shaped groove 41. The opposite
intermediate elastic layer 33 is a third lip 37 which pro
angles of inclination of the channels 44 accommodate
jects downwardly or outwardly between the two outwardly
portion 22 of the car axle.
-
the opposite directions of rotation of the journal within
divergent lips 36, this third lip subtending the arcuate
lower edge of the dust guard, and possibly the side edges 30 the journal box.
Small deflection grooves 46 are also formed in the outer
as well. This intermediate third lip 37 bears against the
bottom or outer transverse wall 29 of the dust guard slot
or well 25. All three lips are of long tapering cross-sec
tion, preferably tapering to feather edges. The lips are
capable of deflection, compression and change of shape so
faces of the plywood stiffening layers 31 and 32 near the
central opening 35. The de馿cting groove 46 in the outer
plywood layer 32 aids in deflecting water or dirt thrown
along the lower side of the journal from the adjacent car
that they can readily adapt themselves to different dimen
sions of dust guard slots or wells, and can also accom
wheel, and the deflecting groove 46 in the inner plywood
layer 31 serves to detlect any oil which might be splashed
modate themselves to endwise shifting or transverse dis
_or thrown in an outward direction from the inside of the
placement of the car journal within the journal box,
meanwhile maintaining effective sealing contact with the
side walls 27 and bottom wall 29 of the slot or well 25.
The two laterally divergent lips 36-36 are initially molded
so that they 馻re outwardly to a dimension wider than
the space between the side walls 27-27 of the dust guard
well 25. When the dust guard is inserted into the well 25,
these laterally divergent lips 36-36 are resiliently
squeezed together into the smaller dimension between
the side walls 27-27 of the well, as shown in FIGURE
2. As a result of being thus squeezed together, these two
lips have a resilient bias tending to hold them pressed out
wardly against the side walls 27-27. The adjacent edges
of the plywood backing layers 31, 32 are beveled around
.their outer peripheries to form a V-shaped groove 3S
therebetween for receiving the base portions of the lateral
ly divergent lips 36, 36.
Sealing contact between the dust guard 30 and the car "
journal 22 is established by an internal annular lip 4i)
which projects inwardly from the intermediate layer 33
around the central opening 35. This internal annular lip
is of wedge-shaped contour and projects inwardly slightly
>beyond the inner edges of the backing layers 31 and 32
with the central pointed edge of its wedge-shaped con
journal box.
Turning now to FIGURES 3 to 17 inclusive, and first
to FIGURES 3-8, I have illustrated my invention em
bodied in a well cap which has direct cooperation with
the above described dust guard. This well cap is fas
tened in place over the top of the well 25 after the
dust guard is in position, and seals the top of the well
against oil leakage, which is particularly advantageous
in the case of railway dump cars which are adapted to
be inverted by dumping mechanism for the dumping of
their loads. This well cap, designated 50 in its entirety,
is constructed as a channel-shaped sheet metal stamping
comprising a central web portion 51 from the sides of
which are bent downwardly extending side flanges 52
and 53. Slits 54 extend inwardly at the corners of the
channel and define central tongues 51' at the opposite
ends of the web portion 51, and also de駈e side tongues
52? annd 53' at the opposite ends of the side flanges
iii?. and 53. Extending longitudinally of the web portion 5l
in the form of my invention illustrated in FIGURES 3-6
is a downwardly projecting parting rib 55 which may be
an integral punching from the web portion 51 or which
may be a bar secured to the web portion. This rib S5
serves to part the upper divergent lips 36 of the dust
tour engaging with a snug iit over the journal portion 22
of the car axle. The adjacent edges of the plywood back
ing layers are beveled to form an internal annular V-shaped
groove or escape trough 41 therebetween into which said
the side walls 27 of the dust guard slot or well 25, as
journal box and the journal, the internal annular lip 40
relatively long horizontally extending expanse of engage
guard 30 and to keep them pressed outwardly against
shown in FIGURE 6. The cooperating engagement
? between the parting rib 55 and the sealing lips 36 per
wedge-shaped internal annular lip 40 can be either hori
mits movement of the dust guard relatively to the well
zontally deflected or vertically compressed whenever an
cap, however, which is desirable in order to enable the
axial or a relative vertical displacing motion occurs be
dust guard to follow the movements of the journal 21.
tween the journal and the journal box. When either of
Still another cooperative feature of the rib 55 with re
these horizontal or vertical motions occur between the 70 spect to the dust guard 30, resides in the fact that the
escapes shearing, tearing or abrasion between the car jour
ment between the rib 55 and the top edge of the dust
nal 20 and the stii頴ning backs 31 and 32 by retreating into
guard 30 results in the rib 55 functioning to key or limit
the escape groove 41 either by lateral deflection or by
the to and fro rotary or rocking movement of the dust
radial compression of such internal lip 40. This internal 75 guard 30 within the well 25. This rotary or rocking
3,044,788
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6
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.
j
movement trends to occur with the reversing directions
guard 3% spread apart,- and pressed outwardly against
of rotation of the car journal, and the presenceof the
the side walls 27 of the 籨ust guard well 25. This aids
in preventing transverse leakage of oil past the upper por
tion of the dust guard. However, the dust guard 30 is
downwardly projecting rib 55 serves to limit this rotary p
movement more effectively than does the engagement of
the side lips V3:6, 36 against the `side walls of the Well 25.
free to have a limited amount of vertical and horizontal
Confined against the under side of the well cap is a
soft sponge rubber gasket 56 which has a longitudinal
slot 57 therein for iitting over the parting ribs 5S. Said
gasket may also be formed of neoprene or other suitable
resilient elastomeric material. Holes 58 are provided in
movement relatively to this parting rib 55, concurrently
with change of position of the journal in the journal box.
the central tongues 51? for receiving self-tapping screws
59, and holes 61 may be provided in the side flanges
52 'and 53 for receiving transverse fasteners 6_2 in the
form of cotter pins, nails, screws, or the like, which pass
through the cap and through the well, as shown in FIG
URE 7.
In present day railway rolling stock there are at least
three different sizes of journal boxes for three different
sizes of journals, each of these having a dii飁rent length
of dust guard well 25. My improved well cap 50 is de
signed so that one size or type of cap is adapted for
FIGURES 9 and l0 illustrate the same type of well>
cap S0, Abut provided with modified fastening means in
the form of internal fasteners. These internal. fasteners
comprise inverted U-shaped spring clips 64 secured by
rivets 65 to the web portion 5I of the cap, there being
one of these spring clips at each end of the cap. These.,
spring clips are adapted to pass down into the well 25,
and the outwardly projecting lower ends of these clips
are formed with Vserrations or teeth 66 which are adapted
to press outwardly against> the side walls 27 of the well
for fastening the cap to the well.
�
-
-
Referring to FIGURES ll and l2, a modified form of
ycap is shown wherein the channel-shaped sheet metal
stamping 50A comprises a central web portion 51A of
essential planar shape, from the sides of which?are bent
universal application to all three lengths of wells. For
the well of shortest length, such as illustrated in FIG
ldownwardly extending side flanges 52A and 53A. Slits
URE 5, the central tongues 51? are bent downwardly
54A extend inwardly at the opposite ends of the web
substantially at the inner ends of the slits 54, or along 25 portion 51A to form end tongue 51A' and also deiine ?
bending lines which would place these central tongues
side tongues 52A? and 53A', at the opposite ends of side
substantially against the outer end surfaces of the well,
flanges 52A and 53A. The aforesaid tongues 51A',
-as indicated in dotted lines a in FIGURE 5. The self
S2A? and 53A? function' in a similar manner as previously
tapping screws 59 are then screwed inwardly against the
described in connection with tongues 51', 52? and 53's?` of
end walls of the well 25. Thereupon, the side tongues 30 the first embodiments, tongues 51A? being connected to
52? and 53? are bent inwardly to overlie the central
the wall of Well 25 through self-'tapping screws 59 and
tongue 51', as illustrated in FIGURE 8.
. >
the projecting ends of the side tongues 52A? and 53A?
For a well of intermediate length, the central tongues
being bent to overlie the outer sides of the central tongues
5l? are bent downwardly along intermediate folding lines
or to extend along the sides of the -well dependent on the ?
substantially at the end edges of the well, as indicated
size relation thereof to the well. Thus channel member
in dash-dot lines b `in FIGURE 5. After the self-tap
-50A corresponds` to channel member 50 except in the
ping screws 59 have been driven into the well the pro- '
omission of depending rib 55.
jecting ends of the side tongues 52? and 53" are bent to
Referring back to FIGURES ll and l2, lbeneath web
overlie the outer sides of the-central tongues 51?.
When the well cap is to be applied to a well of maxi
mum length', the three tongues 51', 52? and 53? are not
bent downwardly and inwardly, but are left in prolonga
51A is located a gasket 56A molded ofneoprene or other
suitable resilient rubbery or elastomeric material so as to
include Ian outer continuous flange portion 56A? which
is confined between the upper edge of the well 25 and
tion of their respective web and 馻nge portions, asindi
the margins of web 51A and a central disposed longitudi
cated in full lines in FIGURE 5.
f
nal extending rib portion 561A? which functions in a man
The length of parting rib 55 remains the same for 45 ner corresponding to -previously described rib 55 to part
all three lengths of wells. With regard to the sponge
the upper divergent lips 36 of the dust guard 30 and to
rubber or neoprene gasket 56, this may be supplied in
keep them pressed outwardly against sidewalls 27 of the
three different lengths, or may be supplied in a length
dust guard slot or well 25. If desired web S-IA may be
corresponding substantially to the full length of the cap
provided with punchings at 51A? which press into the>
for wells of greatest length, in which event different end
material of gasket 56A for further assist in maintaining its
portions of this long gasket will be cut off to accommo
aligned relation therewith.
date the shorter lengths of wells. This gasket effects a
� In FIGURES 13 and 14, I have illustrated 籥 modi馿d
thorough oil tight seal around the upper lip of the well
form of fastening means comprising lugs or indentations
2.5, which is particularly advantageous in the case of
68 punched inwardly in one of the side flanges 52A or
railway dump cars which are adapted to be inverted by
53A near opposite ends of the cap. These intended lugs
dumping mechanism for the dumping of?their loads.
are adapted to seat in recesses 69 formed in the outer wall
With an open top well, a large part of the oil within
the journal box will be lost in the inverting of such a
of the well.25. Self-tapping screws 72 may be provided
in the opposite flanges of the cap for engaging the oppo
car.
site wall of the well. Such a construction may be used
The use of the -transverse fasteners 62 is optional, but 60 in place of pins 62. of FIGURE 7.
FIGURE l5 illustrates another form of fastening
when the fasteners are used holes 63` are drilled trans
versely through the well 25 for receiving the fasteners.
Preliminary to drilling these holes, the compressible gas
means comprising two horizontal ribs 74 which project
from the outer walls of the well, these ribs being either
ket 56 is placed in a state of compression, such as by
welded to the well or cast integral therewith. The side
placing a heavy weight on the top of the cap 50, or 65 llanges 52A, 53A of the cap are spaced outwardly a suf
by forcing the cap downwardly and then setting the self
ficient distance to pass downwardly over the ribs, and
-tapping screws 59. With the gasket thus compressed,
the lower edges of these side 馻nges are formed with in
the holes 63 are then drilled, either by using the holes 61
wardly bent lips 76 adapted to hook under the ribs 74.
in the side flanges to center the drill, or drilling new holes
In mounting the cap, the hook-shaped lip 76 on one of
in the side 馻nges concurrently with drilling the through 70 the side flanges is hooked under the corresponding rib
holes 63. I have shown cotter pins as the transverse
74, and the other side 馻nge is then bent downwardly
fasteners 62, but bolts, screws or nails with the ends bent
and inwardly to hook its lip 76 under its respective rib
over may be used instead.
74.
As previously described, the parting rib 55 of the cap
In FIGURE 16, the well is provided with the same
serves to keep the upper divergent lips 36 of the dust 75 two outwardly projecting ribs'74, 籦ut instead of having
3,044,788
7
the side flanges of the cap hook luider the ribs, this is
done by inverted U-shaped spring clips 78 which are
riveted at 88 to the end portions of the cap and which
3. In combination, a dust guard for mounting in the
dust guard receiving well of a car journal box, said dust
guard including a pair yof laterally diverging sealing lips
of elastomeric material projecting upwardly from the up
have inwardly bent lower endsSZ adapted to hook under
C21 per portion of said dust guard, and a cap separate from
their respective ribs 7 4.
said dust guard including a channel member adapted to
Although the modi馿d forms of fastening means illus
trated by FIGURES 13-14, 15 and 16 have been shown
and described in relation to the embodiment of the in
駎 down over the top of said well for closing the same, a
sealing'member located between said channel member and
vention illustrated ?by FIGURES 1l aud l2, it will bei
the top of said well, said sealing member including a pro
spring 84 extends lengthwise of cap 56A', and is suitably
well opening and holding said sealing lips pressed out
understood that said fastening means are likewise adapted IO jection depending into #said well opening and holding said
sealing lips pressed outwardly into contact with the side
for the 蚷rst described embodiments of the invention and
walls of the well, and means fastening said cap to the top
are intended to be also included as further possible modi
of the well.
馽ations of the previously described fastening means for
4. In combination, a dust guard for mounting in the
馻nges 52 and 53 thereof.
dust guard receiving well of a car journal box, said dust
Referring now to FIGURE 17 still another arrange
guard including a pair of laterally diverging sealing lips of
ment for detachabiy securing my cap to the top of the
elastomeric material projecting upwardly from the upper
dust guard receiving well 25 is there illustrated. In this
portion of said dust guard, and a cap separate from said
view, 50A? represents a channel member having side 馻ng
dust guard including a sheet metal stamping adapted to
es corresponding to 52 and 53 or 52A and 53A of the pre
tit down over the top of said well for closing the same, a
viously described embodiments. The previously de
resilient
sealing gasket having a peripheral 馻nge portion
scribed tongues 51?, 52', 53? or 51A', 2 ?, 53A? however
located between portions of said sheet metal stamping and
may be omitted. Instead of relying on self-tapping
the top of said well, said gasket having a centrally located
screws S9, connecting means in the `form of a blade spring
longitudinally extending projection depending into said
34 may be provided. As shown in FIGURE 17 blade
connected thereto as by means of a pair of tabs 85 struck
upwardly at spaced points from the metal of member
50A', passed through aligned slots 89 in blade spring 84
wardly into contact with the sidewalls of the well, and
blade spring means mounted on said sheet metal stamping
fastening said cap to the top of the well.
5. In combination, a dust guard for mounting in the dust
and oppositely bent over the outer surface of member
50A?. Any other suitable means may be employed, how 30 guard receiving well of a car journal box, said dust guard
ever, as for example the aforementioned rivets as utilized
in the embodiment of FIGURE 16. The opposed end
portions 86 of said blade spring arch outwardly and down
wardly terminating in ends 87 which resiliently engage
beneath suitable stops 8S and so releasably hold the cover
in place over the entrance to well 25. Although FIGURE
17 has been illustrated utilizing a gasket 56A having
a rib 56A?, it will be understood that the rib may instead
be provided on the central web of the channel member
50A? as in the embodiment of FIGURES 3-6.
Each of the above described fastening means is ar
ranged to hold the well cap securely on the well 2S with
the sponge rubber or neoprene gasket 56 or 56A in a
state of compression and so that its rib portion will have
its desired cooperating function with dust guard 30.
While I have illustrated and described what I regard
to be the preferred embodiments of my invention, never
theless it will be tuiderstood that such are merely ex
emplary and that numerous modifications and rearrange
ments may be made therein without departing from the
essence of the invention.
I claim:
l. In combination, a dust guard for mounting in the
dust guard receiving well of a car journal box, said dust
guard comprising a pliable sealing lip of elastomeric ma
terial projecting upwardly from the upper portion of said
dust guard, and a cap separate from said dust guard
comprising two laterally divergent sealing lips of elasto
meric material projecting upwardly from the upper por
tion of said dust guard, and a cap separate from said dust
guard adapted to tit down over the top of the well for
closing the Vtop of said well after the dust guard has been
inserted therein, said cap comprising a parting rib pro
jecting downwardly therefrom as a fixed part of said cap,
said rib being adapted to engage between said sealing lips
for holding said sealing lips pressed `outwardly into con
tact with the sidewalls of said well irrespective of up and
down movement of the car journal and dust guard within
said well, said parting rib also limiting rocking movement
of said dust guard within said well.
6. In combination, a dust guard for mounting in the
dust guard receiving well of a car journal box, said dust
guard comprising two pliable laterally divergent sealing
lips of elastomeric material projecting upwardly from the
upper portion of said dust guard, said sealing lips being
of tapering cross section tenminating in feather edges, and
a cap separate from said dust guard adapted to tit down
over the top of the well for closing the top of said well
after the dust guard has been inserted therein, said cap
comprising a sheet metal stamping having a central web
portion and downwardly extending side flanges, a parting
rib integral with and extending downwardly from said
central web portion and adapted to engage between the
feather edges of said sealing lips for holding the latter
pressed outwardly against the sidewalls of said dust guard
adapted to 韎t down over the top of the well for closing
receiving well independently of up and down movement
the top of said well after said dust guard has been inserted
of said dust guard within said well, tongues at the ends
therein, said cap including means adapted to hold said 60 of said well cap adapted to be folded to overlie the ends
pliable sealing lip pressed against the adjacent wall of
of shorter wells, and fastening means for fastening said
said well.
y
well cap to said well.
2. In combination, a dust guard for mounting in the
7. In combination, a dust guard for mounting in the
dust guard receiving well of a car journal box, said dust
dust guard receiving well of a car journal box, said dust
guard including a pair of laterally diverging sealing lips
of elastomeric material projecting upwardly from the up
guard comprising two pliable laterally divergent sealing
lips `of elastomeric material projecting upwardly from the
per portion of said dust guard, and a cap separate from
upper portion `of said dust guard, said sealing lips taper
said dust guard including a channel member 籥dapted to
ing upwardly in diminishing thickness to feather edges,
fit down over the top of said well for closing the same, a
sealing member located between said channel member 70 and a cap separate from said dust guard adapted to 駎
down over the top of the well for closing the top of said
and the top of said well, one of said members including a
well after said dust guard has been inserted therein; said
projection depending into said well opening and holding
cap comprising a downwardly extending parting rib con
said sealing lips pressed outwardly into contact with the
stituting Ia rigid part of said cap adapted to engage between
sidewalls of the well, and means fastening said cap to the
the feather edges of said sealing lips for holding said lips
top of the well.
3,044,788
9
pressed outwardly against the sidewalls of said well, said
parting rib holding said feather edges against the sidewalls
,
lo
.
well, said sheet metal member including a central web
of ?said well irrespective of up and down movement of s-aid
portion overlying said sealing gasket member, ydownward
ly extending side 馻nges and downwardly extending end
dust guard within said well, and also serving to limit rock
flanges, said end flanges comprising freely bendable end .
ing movement of said dust guard within said well, and a
flange portions capable of being bent inwardly at different
compressible gasket carried by said cap for establishing
an oil tight seal with the top edge of said well.
8. In combination, a dust guard for mounting in the
dust guard receiving well of a car journal box, said dust
bending `lines depending upon the width of the dust guard
receiving well, said end 韑anges also having bendable por
tions capable of being bent downwardly at different bend
ing lines to accommodate dii頴rent widths ofl dust guard
guard comprising a pliable sealing lip projecting upwardly 10
receiving wells.
from the upper portion of said dust guard, anda cap sep
arate from said dust guard adapted to 駎 down over the
top of well for closing the top of said well after said dust
guard has been inserted therein, said cap comprising la
sheet metall channel member and a sealing gasket member
on the underside thereof, one of said members having a
projection depending therefrom adapted to hold said pli
able sealing lip pressed against the adjacent Wall of said
'
References `Cited inthe tile of this patent
UNITED STATES PATENTS
2,213,414
Simpson ______________ __ Sept. 3, 1940
2,417,853
2,701,659
Armstrong ___________ __ Mar. 25, 1947
Baltosser ____ _________ __ Feb. 8, 1955
De Shazor ____________ __ Oct. 21, 1958
2,857,075
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