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Патент USA US2137434

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Ndv. 22,’_ 1938.
A‘
E. |_. WOOD
~
‘
‘2.137.434
.BEAHING AND SUPPORT
Filed June 26, 1956
v
_INVVENTOR
.
.Z'Jward 1. 11/0047.
‘
BY
‘
ORNEY5
, Patented Nov. 22, 1938
,l37,434
,
panama
“
ill‘ SUPPORT
Edward IL. Wood, Detroit, Mich, assignor to Gar
Wood industries, line, a corporation of Michi- Emil
'
Application. time as, rose, Serial‘ No. $7,344
a harms. (pi. sot-sci
'
My invention relates to bearings and their within the support; to provide a support with
method of support, and particularly, to a free
spaced ?anges in which a lubricant absorbing pad
?oating, self-aligning bearing and housing which maybe disposed; to provide thrust washers on
provides positive support for a shaft.
both sides of a sleeve bearing which are joined
Bearings of the sleeve type are usually press
by a web; to provide a support for a bearing hav
fltted in an aperture in a support and difficulty ing spaced projecting ?anges in which a web join-v
was always experienced in having the sleeves ing thrust washers is disposedto cover an oil pad
mounted in accurate alignment. The aperture positioned between the ?anges; to mount a sup
in the support, when oversized, did not provide ‘ port for a bearing‘ on rubber to permit the sup
port to ?oat; and, in general, to provide a sup
hearing from turning relative to the support, a and port for a sleeve bearing which is simple of con
when the aperture was too small, the forcing of struetion, which eliminates machined parts, and
the sleeve thereinto would cause the sleeve to which is economical of manufacture.
be distorted and reduced in diameter.
Qther objects and features of novelty of my‘ ‘
In practicing the present invention, I over
invention will be either speci?cally pointed out or
come the dif?culties heretofore experienced with become apparent when referring, for a better
bearings of the sleeve type by fabricating a unique . understanding of my invention,‘ to the following
support for the sleeve. The support embodies in description taken in conjunction with the accom
the main, a metal strap which is formed annu~ panying drawing, wherein:
10 a sumcient' coemcient of friction to retain the
20 larly, having the ends spacedand projected to
provide spaced ?anges. The inner diameter of
the strap so formed is less than‘the outer ‘diam
eter of the sleeve so that the ?ange portions must
be spread apart to permit the sleeve to be moved
Figure 11s a perspective view of a bearing and ‘
support for a shaft embodying features of my in
vention;
_
Fig. .2 is- an enlarged sectional view of the
structure illustrated in Fig. 1, taken on the line
longitudinally within the arcuate portion of the ' > 2—2 thereof ;
strap. When the flanges are released, the sleeve
- bearing is gripped with a desirable amount
friction which prevents its turning relative to the
strap. The sleeve is mounted in rubber .on the
30 side opposite to the load and a felt pad‘ is pref
erably disposed'between the projecting ?anges.
A U-shaped elementhas a web that rests on top
of the'felt between the ?anges and two parallel
[3 GI
Fig. 3 is an end view, partly‘ in section and
partly in elevation, of structure illustrated in Fig.
2, taken on the line 3-3 thereof;
Fig. 4 is a view of structure, similar to that
illustrated in Fig. 3, showing a modi?ed form "
thereof; and
Fig. 5 is‘ a view of structure, similar‘to that
illustrated in Figs. 3 and 4, showing a further
washerlike extensions covering the ends of the ' modi?ed form which my invention may assume.
sleeves to form thrust washers. A hole is pro
Referring to Figs. 1, 2 and 3, I have illustrated 35
vided in the web portion through which a lubri
a shaft it having a bearing engaging end portion
cant may be introduced into the pad. The sleeve it supported by a sleeve bearing 52 in a support
bearing is preferably oi’ sintered composition well It. The bearing it may be of any well known
known in the art, having lubricating properties
40 inherently embodied therein and which is su?l-V sleeve type,‘ but is herein illustrated as being of
the sintered type, known in the trade as “oilight”,
ciently porous to permit the lubricant introduced which is porous and self-lubricating. The sup
‘through the aperture into the pad to saturate port i3 embodies a piece of strap material having
135
the body of the sleeve.
1
acertain amount of resiliency which has-its main
Accordingly; the main objects of my invention ‘central portion bent into circular shape, as at
45 are: to- provide a support which frictionally en
it in Fig. 3, with the ends it outwardly projected
gages a sleeve bearing; to provide a frictional sup~
port for a sleeve bearing, the circumference of
in spaced parallel relation. Between the pro
jecting portions l5 of the support it, I prefer
which may be enlarged to permit the insertion ' ably employ a pad it which will absorb oil or
and removal of the sleeveltherefrom; to provide similar lubricant and which may be made of felt, '
a support for a bearing made from a strap hav
ing the central portion of arcuate shape with the
ends extended in spaced parallel relation; to pro
.vide projecting v?anges on asupport for a sleeve
bearing which may be spread apart to release
55 the sleeve or permit the sleeve to be introduced
woven or other type of absorbent material.
50
' End thrust-washers ill are joined bya web.
It which is disposed upon the pad it between the
extending portions E5 of the support it. The
thrust washers are retained as a unit in this man
ner, while web it forms a cover, for the pad 55
2,187,484
through an aperture IQ of which a lubricant is
introduced.
In Fig. 2, the thrust washers I’! are illustrated
as being engaged by a shoulder 2| on the shaft
III and by- a washer'22 which is retained on the
The oil in
. end of the shaft by a cotter pin 23.
washers l1 aligned with the sleeve bearing l2.
The bearing is so mounted as to have the load op
erating against the rubber blocks 25 or the single
block 36 and a complete resilient support is pro
vided thereby. The bearing support constructed
in this manner is fabricated entirely from stamp
troduced to the pad through the aperture l9 will
ings, thereby entirely eliminating machined parts.
sleeve I2. When a bronze sleeve is employed, oil
grooves and apertures will be employed therein
into which oil from the pad will be introduced.
provided for the sleeve which is resiliently
10
mounted and provides self-aligning features.
saturate the porous material forming the bearing - An extremely durable and improved support is
While I have illustrated and described several
Referring more particularly to Fig. 3, I have ' embodiments of my invention, it will be apparent
illustrated a pair of outwardly presented channels
to those skilled in the art that various changes,
24 welded or otherwise secured to the support
omissions, additions and substitutions may be
made therein- without departing from the spirit 15
and scope of my invention as set forth in the ac
15 It! having their central planes passing through
the axis of the shaft. Rubber blocks 25 are se
cured in the channels 24 byvulcanization or by
other methods or means well known in the art.
companying claims.
’
'
I claim as my invention:
.A pair of plates 26 and 21 form a base, the ends
28 and 29 of which are ?anged inwardly in such
l. The combination with a sleeve bearing hav
ing a circumferentially uninterrupted wall, of a 20
manner as to form a channel aligned with the
support therefor having an arcuate body portion v
channels 26. The ?anges 28 and 29 receive the
opposite end of the rubber blocks 25 and are
secured thereto to form a unit.
The web portions
and spaced end portions, 'a felt pad disposed be
tween said spaced end portions, and a pair of con
nected thrust washers disposed over the end faces
25
v
of the ?anges 26 and 21 may be secured together of said bearing.
'2. The combination with a sleeve bearing hav
by welding, brazing-riveting, or by other means.
In Fig. 4, I have illustrated channels 3| which ' ing an uninterrupted wall, of a support therefor
having an arcuate body portion and spaced end
‘ are similar to the channels 24 with the exception
that the ends 32 are ?anged inwardly to more portions, a felt pad disposed between said spaced
firmly grip the rubber blocks 25 or to register end portions, and a pair of connected thrust 30
washers disposed over the end faces of said bear
within‘ slots which may have been provided there
in. Flanges 35 on the ends of base 34, made up ing, said connected portion extending over said
_
,
of plates similar to plates 26 and 21, are extended pad.
3. The combination with asleeve bearing hav
inwardly to engage the rubber blocks in a similar
manner. In addition, rivets 35 may be employed ing an uninterrupted wall, of a support therefor 35
extending through the ?anges and rubber blocks _ made of strap material having the central por
tion of arcuate shape, the inner surface of which
is of less diameter. than the outer diameter of
the sleeve bearing, the ends of the strap being
projected to form means whereby the arcuate 40
body portion may be spread to permit the inser
ture illustrated.
Referring to Fig. 5, I have shown a further tion and removal of the bearing, and a lubricat
to further secure the blocks to the channel. The
rubber blocks are anchored to their supports in
this manner without vulcanization although vul
canization could also be employed with the struc
mounting method for the support l3, embodying a
solid block 36 of ‘rubber which is vulcanized to the
support and to suitable anchor elements 31 pro
ing pad disposed between said projecting ends.
vided thereon.
tion of arcuate shape, the inner surface of which
is of less diameter than the outer diameter of
the sleeve bearing, the ends of the strap being pro
These anchor elements may be
welded or otherwise secured to the support and '
are herein illustrated as- being dovetail strips
which provide greater anchoring surfaces.‘ Pro
jecting pins having heads or recessed slots well
known in theart could'also be utilized. En
compassing the lower portion of the rubber block
16, a metal sheath 36 is utilized which may fric
tionally engage and/or be vulcanized thereto.
A support built up in this manner is embodied
with resiliency so _that the bearing need not be
accurately-aligned since it will align itself with
the shaft which it supports. The supporting por
4. The combination with a sleeve bearing hav~
ing an uninterrupted wall, of a support. therefor 45
made of strap material having the central por
jected to form means whereby the arcuate body 50
vportion may be spread to permit the insertion
and removal of the bearing, a lubricating pad dis
posed between said projecting ends, and a pair of
thrust washers having a connecting web disposed
over said pad with the washers aligned with the _
bearing.
~
tion l3 has the arcuate portion ll of smaller inner
diameter than the outer diameter of the sleeve.
5. A sleeve bearing having an uninterrupted
wall, in combination with a support having a slot
therein, a pad disposed in said slot, and a web
disposed over said pad having at its ends thrust
By spreading the projecting ends IS, the inner
washers for said bearing.
surface of the arcuate portion M will have a
greater diameter than the outer diameter of the
sleeve so that the sleeve may be longitudinally
moved into the support. When the ends I5‘ are
released, the sleeve bearing l2 will be gripped with
sufficient friction to prevent it from rotating
relative to the support. The pad I6 is then dis
posed between the projecting portions l5 and the
70 web It placed thereon with the projecting thrust
1
60
y
6. The combination with a sleeve bearing hav
ing an uninterrupted wall, of a support therefor
made of strap material formed in arcuate shape,
the inner surface of which is normally of less (i5
diameter than the outside diameter of the sleeve
bearing so as to resiliently embrace and retain
said bearing, and a rubber mounting for said
bearing support.
'
.
EDWARD L. WOOD.
70
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