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Патент USA US2403520

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July 9, 1946»
T. c. GERNER
2,403,520
DRIVE SHAFT BUSHING‘ ASSEMBLY
Filed July 23, 1945
\w w@
Irwentar
Heoaëme C. @er/2er:
Patented July e, 1946
‘ 2,403,52
UNITED STATES
PATENT OFFIC
2,403,520
DRIVE SHAFT RUSHING ASSEMBLY
n Theodore C. Gerner.' Uklahoma City, Okla.
.Application July 23, 1945, Serial No. 606.563
1r claims. (Cl. 30S-36.1)
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This invention relates to av drive shaft bush
nections between the parts and yet allow the
ing assembly and more particularly to a. replace
- parts to be separated endwise when necessary.
ment part adapted for installation in the pro
Carried within the housing I 3 adjacent its rear
peller or drive shaft housing of a motor vehicle
end is the usual bearing I8 in which the shaft
adjacent the bell housing which surrounds the 5 I4 is supported and at the rear end of the bear
universal joint immediately to the rear of the
ing I8 is the conventional oil seal I9 which nor-.
mally prevents lubricant contained within the
transmission housing II in which the transmis«
serve the lubricant in which the transmission
sion gears are bathed from escaping through the
gears arenormally bathed, and prevent it from 10 interior of the propeller shaft housing I ä and
escaping through the drive or propeller shaft
vdiluting the lubricant- normally contained with
housing and diluting the grease usually'em
in the diñerential housing which is convention»
ployed in the diñerential.
,
ally locatedv at the rear end of the propeller»
Another object is to support the forward end
shaft. c'
of a propeller shaft out of contact with a bear
'I'he equipment thus far described is that
ing which may have become worn and deterio
which is commonly employed and in service the
rated through use.
~
bearing I@ and the area of the shaft contacting
Among its features my invention embodies a
therewith become worn with the result that re»
sleeve adapted to fit into the forward end of the.
placement of both the bearing and the shaft
propeller shaft housing of an ordinary motor ve 20 have heretofore been necessary at more or less
hicle, bearings carried adjacent opposite ends
frequent intervals. The wearing of these parts
of the sleeve on the interior thereof for sustain
also had a tendency to destroy the edectiveness
ing the propeller shaft in axial alignment with
of the oil seal I9 with the result that drainage
the sleeve and with the housing thereof, and a
of the lubricant from the housing Ii through
seal carried within the inner end of thel sleeve 25 the propeller shaft housing I3 and into the dif-and adapted effectively to prevent the flow of lu~
ferential housing‘at the vrear end-thereof has
been experienced.
bricants from the transmission and forward end
of the propeller shaft housing back through the
My invention obviates these diñiculties and
rear' end of said housing and into the differen
comprises a main supporting sleeve 2@ which is
tial housing.
30 adapted to be driven into the interior of the pro»
In the drawing:
peller shaft housing, I3 as illustrated in Figure
Figure. l is a side view illustrating'diagram
2. The sleeve 20 is provided adjacent its outer
matically an engine, a transmission housing, a v
end with a portion 2l of slightly larger diameter
bell housing and the forward end of the propel-`
than the main body of the sleeve so as to es
ler shaft housing, and showing in dotted lines 35 tablish a drive fit between the inner surface of
the position in which my improved sleeve and » e the propeller housing I3 and the outer surface
bearing assembly are located therein.
'
of the sleeve. Adjacent the forward end of the
Figure 2 is an enlarged side view partially in
housing carried on the interior of the sleeve 2d
section of the forward end of the propeller shaft
adjacent its inner'end is a bearing 22 having an
housing, propeller shaft and the U-joint 40 internal diameter such as to provide an _accu
equipped with my improved joint bushings and
rate bearing surface for the shaft It near that
seal assembly.
` part of the shaft engaged by the bearing I8. An
Referring to the drawing in detail an engine
oil seal 23 is fitted into .the sleeve 20 between
designated IIJ ls yconnected through the usual
the bearing 22 and the extreme inner end of
transmission II to the bell housing I2 carried at 45 the sleeve so that when the sleeve 20 is driven
the forward end of the propeller shaft housing
into place within the propeller shaft housing the
I3 all in the' conventional manner. The hous
oil seal 23 will be positioned between the bearing
ing I3 surrounds the propeller shaft It which
I8 and the bearing 22. Fitted in the outer end
carries at its forward' end the conventional
of the sleeve 2d is a bearing bushing 2li which is
forked member IS of a conventional U-joint 60 of an internal diameter to receive the exterior`
housed within the housing I2. As illustrated in
of »the socket I l' of the member I5 so as to irlFigure 2 the extreme forward end of the pro
sure the accurate running of the socket Il about
peller shaft Ill is splined as at It to receive the
the longitudinal axis of the shaft It. The bear
splined socket I'I carried by the member It pre
ing sleeve 2li serves to stabilize the end of the
transmission.
i
The primary object of the invention is to pre
yicusly described se as to establish driving con
'55 propeller shaft to which the socket l "I is attached
2,403,590
I 4
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ed sleeve tightly fitting in said housing and with
s first end disposed adjacent said journal, a
and avoid any danger` of whip at the point of
junction ofì the propeller shaft and the sleeve.
bling the device within a propeller> 1 bearing in said sleeve adjacent said first end forl
journalling said shaft. a cylindrical member
already installed it is unnecessary
splined upon the end of said shaft and asecond
to remove the propeller shaft as the universal
bearing in a second end of said sleeve and Jour
joint is simply uncoupled so as to allow the mem
In
shaft ho
ber II and the forward end of the propeller shaft
and its housing to be lowered whereupon tbe
socket I'l may be removed longitudinally of the
shaft and through the open end of the housing '.10
I3. Without removing the propeller shaft or the
housing from its connection with the differential
housing at the rear end of the vehicle my im
proved assembly constituting the sleeve 20, the
bearings 22 and 24 and the oil seal 23 may be 15
slipped over the end of the shaft into the interior
of the housing Il as illustrated in Figure 2. As
the sleeve 2li approaches its innermost position -«
the enlarged portion 2i will encounter the in
terior of the housing il so that the sleeve must
be driven into place and a drive fit will be estab
lished which will retain the, shaft in assembled
position. Upon driving the sleeve 20 home it
will be obvious that the bearing 22 will support
the drive shaft I4 on a fresh unworn surface thus
insuring smooth operation of the parts. 'I'he
bearing member 24 will embrace'the sleeve l1
which is next slipped into place over the splined
end IB of the shaft It with the result that no
tendency »of the shaft to whip will be experienced.
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent an end of .
said housing. a repair unit insertable in said end
of said housing, said unit including an open
ended sleeve tightly fitting in said housing and
with a first end disposed adjacent said journal,
a .bearing in said sleeve adjacent said first end for
journalling said shaft, and an oil seal received in
the first end of said sleeve and positioned between
said journal and said bearing, said oil seal being
conterminous with the open end of said sleeve.
6. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent an end of
said housing, a repair unit insertable in said end
of lsaid housing, said unit including an open ended
sleeve tightly fitting` in said housing and with- a
first end» disposed adjacent said journal, a bear
ing in _said sleeve adjacent said first end for jour
nalling said shaft, and an oil seal received in the
said journal and said bearing, said _oil seal being
conterminous with-the open end of said sleeve
and abutting said bearing.
'
,
7. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent -an end of
said housing, a repair unit insertable in'said end
of said housing, said unit including an open ended
sleeve tightly fitting in said housing and with a
first end disposed adjacent said journal, and a
bearing in said sleeve adjacent said first end for
tion, and arrangement of parts may be resorted
to without departing from the spirit and scope of
-
I claim:
1. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a. journal for said shaft adjacent an endof
said housing, a repair unit insertable in said vend
of said housing, said unit including an open ended
sleeve tightly fitting in said housing and with a
first end disposed adjacent said journal, and a
bearing in said sleeve adjacent said ñrst end for
journalling said shaft.
tioned between said journal and said bearing.
l
5. In" an automotive vehicle, a propeller shaft
first end of said’slee've and positioned between '
While in the foregoing there has been shown
and described the preferred embodiment of this
invention it is to be understood that minor
changes in 'the details of construction, combina
the invention as claimed.
naling said cylindrical member, and an oil seal
received in the first end of said sleeve and posi
journalling ' said shaft, said first end of said
sleeve abutting said journal.
-8. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing,v a journal for said shaft adjacent an end of
said housing, a repair unit insertable in said end
of said housing, said unit including an open
'
2. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing. a journal for said shaft adjacent an end of 50 ended sleeve tightly fitting in said housing and
with a first end disposed adjacent said journal,
said housing, a repair unit insertable in said'end
a bearing in said sleeve adjacent said first end
of said housing, said unit including an open
for journalling said shaft, and an oil seal re
ended sleeve tightly fitting in saidV housing and
ceived in the first end of said sleeve and posi
with a first end disposed adjacent said journal, ationed between said journal and said bearing,
bearing in said sleeve> adjacent said first end for
journalling said shaft, and an o_il seal received in
the i'lrst end of said sleeve and positioned be
tween said joumal and said bearing.
3. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous 60
ing, a journal for said shaft adjacent an end of `
i
said housing, a repair unit insertable in said end
of said housing, said unit including an open ended
~"sleeve tightly fitting in said housing and> with a
first end disposed adjacent said journal, a bear
ing in'said sleeve adjacent said first end for jour
nalling said shaft, and a cylindrical member
splined upon the end of said shaft and a second
bearing in a second end of said sleeve and jour
nailing said cylindrical member.
said first end lof said sleeve abutting said journal.
9. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent an end of
said housing, a repair unit insertable in said end
of said housing, said unit including an open
ended sleeve tightly fitting in said housing and
`With a first end disposed adjacent said journal, a
bearing in said sleeve adjacent said first end for
~ journailingsaid shaft, and a cylindrical member
,
70
4. In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in` said hous
ing, a journal for said shaft adjacent an end of
said housing, a. repair unit insertable in said end
of said housing, said unit including an _open end 75
splined upon the end of said shaft and a second
bearing in a second end of said sleeve and jour
nalling said cylindrical member, said f'lrst end
of said sleeve abutting said journal.
10.« In an automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent an end of
said housing, a repair unit insertable in said end
of said housing, said unit including an open ended
sleeve tightly fitting in said housing and with
2,403,520
a nrst end dispose
adjacent said journal, a »
bearing in said slegve adjacent said Afirst end
for journalli?g said shaft, a cylindrical mem
ber splined upon the end of said shaft and a sec
ond bearing in a second end of said sleeve and
6
13. Infan automotive vehicle, a propeller shaft
housing, a propeller shaft rotatable in said hous
ing, a journal for said shaft adjacent an end of
said housing, a repair unit insertable in said end
of said housing, said unit including an open e'nded
journalling said cylindrical member, and anoil seal
sleeve tightly fitting in said housing and with a
received >in the iirst end of said sleevel and posi
first end disposed adjacent said journal, a bear
tioned between said journal and said bearing, said
ing in said sleeve adjacent said first end for jour
first end of said sleeve‘ abutting said journal.
nalling said shaft, -and a cylindrical member
11. In an automotive vehicle, a propeller shaft 10 splined upon the end of said shaft and a. second
housing, a propeller shaft rotatable in said hous
bearing in a second end of said sleeve and jour
ing, a-journal for said shaft adjacent an end of
nallirig said cylindrical member, said housing be
‘ said housing, a repair unit insertable in said end
ing of enlarged internal diameter at said end
of said housing, said unit including an open
thereof and said sleeve being of correspondingly
ended sleeve tightly fitting in said housing and
enlarged external diameter adjacent its second
with a ñrst end disposed adjacent said journal,
end to tightly seat in said enlarged end of said
a bearing in said sleeve adjacent said first end
housing.
for. journalling said shaft, and a cylindrical
14. In an automotive -vehicle, a propeller shaft
member splined upon the end of said shaft and a
housing, a propeller shaft rotatable in said hous
second bearing in a’second end of said sleeve and
ing, a journal for said shaft adjacent an end of
journalling said cylindrical member, said second 20 said housing, a repair unit insertable in said end
bearing being conterminous with said second end
of said housing, said unit including an open ended
of said sleeve.
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sleeve tightly fitting in said housing and with a
12. In an automotive vehicle, a propeller shaft
first end disposed adjacent said journal, a bear-housing, a propeller shaft rotatable in said hous
ing in said sleeve adjacent’said ñrst end for jour- '
ing, a journal 'for said shaft adjacent an end of . 25 nalling said shaft, and a` cylindrical member
said. housing. a repair unit insertable in said end
splined upon the end of said shaft and a second
of said housing, said unit including an open
bearing in a second end of said sleeve and jour
ended sleeve tightly fitting in said housing and
nalling said cylindrical member, said housing be
with a ñrst end disposed» adjacent said journal,
ing of enlarged internal diameter at said end
a bearing in said sleeve adjacent said first end
thereof and said sleeve being of correspondingly
for journalling said shaft, and a _cylindrical mem
enlarged external diameter adjacent its second
ber splined upon the end of said shaft and a sec
end to -tightly seat in said enlarged end of said
ond bearing in a second end of said sleeve and
housing, and an oil seal received in the first end
journalling said cylindrical member, said second 35 of said sleeve and positioned between said jour
bearing being conterminous with said second end nal and said bearing.
.
of said sleeve, and an oilseal received in_the
ilrst end of said sleeve and positioned -between
said journal and'said bearing.
. _ »
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TrmODORE C. GERM-m..
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