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Патент USA US2124345

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July 19, 1938.
'
L_ o_ GRANGE
4
ADJUSTABLE
RIM
Filed Feb. '8, 1957
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2,124345
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‘2 Sheets-Sheet 1
July 19, 1938. '
L. o. GRANGE
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‘
ADJUSTABLE
RIM
"
Filed Feb‘. 8, 1957
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2,124,345
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Q Léo O. Grange
Patented July 19, 1938
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iii-YEW:
"
PIA-TENT.
OFFICE
2,124,345
'
~ ‘fiAllJtU'STABLE RIM
Leo .'O.._Gra,nge, Chicago, Ill., assignor to Safety
vvVulcanizer Company, Chicago, 111., a corpora.
tion of Illinois . _' ’
Application§February"8,‘1937, ‘Serial No. 124,710
‘
team's.
(01.18-18)
This invention relates tofadjustable‘jrims“for
supporting various sizes ‘of pneumatic‘tires;
One object of the invention'is to'provide‘ an
adjustable rim of the character described where
by the tires may be easily and ‘quickly mounted
an, adjustable rimin which the adjustability for
adjacent one margin thereof. _ The slots 29,“ 29
different rim widths is obtained byivirt'ueof a
may be open at said margin to permit the'bead
?ange 24 to be removed from the rim to'facilitat'e
mounting and dismounting the tire 30. There
may be provided a nut 3|, having an operating
handle 32 thereon, for the purpose of retaining
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“
{t
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single central adjustment means‘.
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‘ These and other objects of the invention are
scribed below.
It is understood that the inven-‘
2 tion is not limited to the speci?c ‘form thereof
shown and described.
Figure 1 is a plan view of an adjustable rim
embodying the invention.
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‘ Figure 2 is a front elevation thereof. ,' ;
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Figure 3 is a cross-section of the rim with‘ an
expanded tire mounted therein, 'portions‘of the
tire
broken away.
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‘
"
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k. .'
‘Figure 4.15 an enlarged fragmentary vie’wof
the ?xed hub of the rim as viewed fromthe under
side
30
being
of
Figure
3.
,
the bead ?ange 24 on the rim base III as well as
to provide a central adjusting, means when'the
tire 38 is‘ mounted on the rim.
.
‘Of the accompanying drawings.
I25
ing' arms 28, 28 extending from the hub 26 to a
Another object of the ‘invention is'to'provide
attained by means ‘of. the adjustable rim illus
trated in the accompanying drawings and de'-‘
20
prising a. hub portion 26 having a bore 21,
adapted loosely to receive the shaft I6, and hav-'
?xed connection with the adjustable bead ?ange
24. The arms 28, 28 may be adapted to be slid-‘j
ably received through slots 29; 29 in the base I0
and dismounted.
10
‘
bead ?ange 24, supported on a spider 25 com‘;-v
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Referring-to the drawings, IO-‘is a rim base
preferably having ?xed-thereon one bead ?ange
II. Interiorly of the base I0 there may "be'a;
spider‘ I2‘ comprising a hub portion I3- and snakes‘.
I4, I4 extending therefrom" to a rigid connection
with the inner periphery of said base I0. Re
movably mounted in a bore I5 in the hub I3 there
may be a central shaft I6, provided adjacent
35 one end thereof ' with projecting pins
I1, I‘!
adapted to be engaged with grooves I8, I8 on the
outer face of the hub I3, to prevent rotational
movement of the shaft I6 with respect to the hub
I3 and to limit movement of the shaft I6 in one
.40 direction through the bore |5 in the assembled
condition of the rim. Movement of the shaft I6‘
may be limited in the other direction by means
of a spring assembly I9 held in position by a pin
20. The hub |3 may have openings 2|, 2| ex
45 tending therethrough, intermediate the grooves
I8, I8, through which the pins I1, I‘! may be al
lowed to pass by urging the shaft I6 against the
pressure of the spring‘ I9 su?iciently to release
the pins I1, I‘! from the grooves I8, I8 and ro
tating the shaft I6 to a position where the pins
I1, I ‘I may be passed through the openings 2 I, 2 I.
Slidably mounted on the outer periphery of the
base I0 and guided thereon by engagement of the
inner periphery of the bead ?ange with the outer
55 periphery of the base In may be an adjustable
v
I
In mounting a. tire of any desired bead width
on the rim, the bead ?ange 24'is ?rst removed
from the rim assembly. This is accomplished by
urging the ‘shaft I6 against the action of ‘spring
l?suf?ciently to release thepins IT, IT from the
grooves I8, I8 and allow said shaft to be rotated
until the pins l1, I‘! may be passed through the
openings 2|, 2|‘, thus enabling ‘the, operator to
remove, the shaft I6 with the spider 25 and nut 3|
thereon. Afterv a de?ated tire 30f, ‘with a pneu
matic tube or bag 3|]a therein, has been‘ placed
in position on the rim base III, the shaft I6 with
the spider 25 and the nut 3| mounted thereon
has its end adjacent the pins I'I, IT inserted‘ in
the bore I5 in thehub I3 in such‘ a manner that
the pins I‘I,‘ I1 coincide with the openings 2|, 2|.
In" this position the shaft ‘I6 may be urged
against the spring I9 until the pins I1, I‘! are free
on the outer side of the hub I3, when the shaft
I6_ may be rotated a quarter turn to allow the
pins I1, I‘! to come to rest in the grooves I8, I8.
The pins I1, I‘! are then held in position in the
grooves I8, I8 by the action of the spring I9
and prevent further rotation of the shaft I6.
In placing the shaft I6 in this position the nut 3|
may be backed off a su?icient distance from the
hub 26 of the spider 25 to permit shaft I6 to be
urged to the position shown in chain-dotted lines
in Figure 3.
45
With the tire 30 on the rim the removable and.
adjustable bead ?ange 24 may be adjusted to
space the rim ?anges the required distance apart
for the tire being mounted, the adjusting nut 3|
being turned against the hub» 26. The proper 50
pressure is applied to the tire to in?ate the same
on the adjusted rim. In this condition the com
plete assembly is ‘ready for use.
From the foregoing brief description of the ad
justable rim and the operation thereof it is ap
parent that the mounting and dismounting of
*tires for the aforementioned purposes may be ac
; complished with a rapidity that is very desirable,
‘ the adjustability of the rim being controlled at a
single central point obviating manipulation of a
plurality of nuts as has been required in the past.
The improved rim is useful for many purposes,
at the other side of said rim base and slidable
upon and guided by said rim base, said last
named ?ange being carried by a supporting cen
tral spider having a hub, a shaft extended through
the hub on said rim spider and the hub on said
?ange spider, means for releasably securing said
shaft to said rim spider whereby said rim ?ange
6. g. in mounting various tires while being re
may be quickly removed with its spider to per
paired, being used in place of standard rims in
certain types of repair vulcanizers. It is also
mit mounting or dismounting of a tire on the rim, ,
to without departing from the spirit thereof or
nection between the shaft and the rim spider.
and a nut threaded on said shaft for retaining 10
useful for mounting various tires for display, demx-? , said ?ange spider on said shaft at various axial
positions, said releasable securing means compris
onstration, or other purposes.
Modi?cations of the invention may be resorted ing a bayonet type releasable interlocking con
15 the scope of the. appended claims.
What'is claimed is:
1. A supporting rim structure for pneumatic
tires comprising a rim base having a ?ange at
one side thereof and a central spider provided
41 A supporting rim structure for pneumatic 15
tires comprising a rim base having a flange at
one side thereof and a central spider provided
with a‘ hub, an axially adjustable and removable
?ange at the other side of said rim base and slid
20 with a hub, an axially adjustable and removable I able upon and guided by said rim base, said last
?ange at the other side- of said rim base and slid
able upon and guided by said rim base, said last
named ?ange being carried by a supporting cen
tral spider having a hub, a shaft extended through
25 the hub on said rim. spiderand the hub on said
?ange spider, means for releasably securing said
shaft to said rim spider whereby the rim ?ange
and its supporting spider may be removed from
the rim base, and a nut threaded on said shaft
for retaining said ?ange‘ spider on said shaft at
various axial positions.
2. A supporting rim structure for pneumatic
tires comprising a rim base having a ?ange at
one side thereof and. a central spider provided
35 With a hub, an axially adjustable and removable
?ange at the other side of said rim base and slid
able upon and guided by said rim base, said last
named‘?ange being carried by a supporting cen
tral spider having a hub, a shaft extended through
40 thehub on‘said rim spider and the‘ hub on said
?ange spider, means for releasably securing said
shaft to said rim spider whereby the rim ?ange
and its supporting spider may be removed from
the rim base, and a nut threaded on said shaft
for retaining said ?ange spider on said shaft at
various axial positions, said rim base having ax
ially'extending slots therein at said other side
thereof and the arms of said ?ange spiderextend
ing through said slots.
3. A supporting rim structure for pneumatic
50
tires comprising a rim base having a ?ange at one
side thereof and a central spider provided with a
hub, an‘ axially adjustable and removable ?ange
20
named ?ange being carried. by a supporting cen
tral spider having a hub, a shaft extended through
the hub on said rim spider and the hub on said
?ange spider, means for releasably securing said
shaft to said rim spider whereby said rim flange 25
may be quickly rempved with its spider to permit
mountingor dismounting of a tire on the rim,
and a nut- threaded on said shaft for retaining
said ?ange spider on said shaft at various axial
positions, said releasable securingmeans compris
30
ing a bayonet type releasable interlocking con
nection between the shaft and the rim’spider, said
shaft having bayonet pins thereon and said rim
spider hub having bayonet slots therethrough per~
mitting passage of said pins in one position of the 35
shaft, and said rim spider hub having notches
thereon to be engaged by said pins when in locked
engagement, and means for yieldingly urging said
shaft and said rim spider axially of each other
to hold said pins in said notches.
40
5. The combination in a pneumatic tire sup
porting rim’ structure, of a rim having a central
spider, an axially adjustable ?ange for said rim
slidable upon and guided by said rim and also
having a central spider, a shaft for mounting said 45
spiders, means for releasably securing the shaft
to one spider, whereby the adjustable?ange may
be completely removed from said rim with its
supporting spider, and means for retaining the
other spider on said shaft in Various positions of 50
axial adjustment thereon.
LEO O. GRANGE.
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