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Патент USA US3024043

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March 6, 1962
R, A, SKAGGS
3,024,033
ROLLER SKATE
Filed April 4, 1961
2 Sheets-Sheet 1
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52
47
March 6, 1962
R. A. SKAGGS
3,024,033
ROLLER SKATE
Filed April 4, 1961
2 Sheets-Sheet 2
1
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'l INVENTOR.
BY
é//Á'J?ffff
United States Patent Gtitice
l
3,624,033
RÜLLER SKATE
Russell A. Skaggs, Box 271, Ansted, W. Va.
Filed Apr. 4, 1961, Ser. No. 100,561
6 Claims. (Ci. 28d-11.28)
3,024,033
Patented Mar. 6, 1962
n
central portion thereof that registers with the apertures
17 in the shoulders.
As shown in FIGURE 2 for example the support mem
ber 15 is provided with intermediate arcuate portions
2l, and securing elements such as screws or bolts 22 ex
tend through these arcuate portions 2l and into engage
The present invention relates to a roller skate, and
ment with the plate l1, and there are also provided
more particularly to roller skate wheels and a mounting
screws or bolts 23 which extend through the support
therefor.
member 15 and into engagement with the plate 11 whereby
The primary object of the present invention is to pro
10 the support member 15 is iirmly añ‘ixed or secured to
vide a roller skate which includes a wheel and wheel
the plate 11.
mounting that is constructed so that the parts can be
Arranged contiguous to the disc 19 is an end member
readily replaced or changed quickly and easily whereby
24 which is provided with a central aperture 25 that
the roller skate can be easily maintained, and wherein
registers with the aperture 26 and the aperture 17, and
the roller skate is light in weight and attractive and
the numeral 26 indicates a yieldable body piece that has
15
highly durable.
its upper end engaging the end member 24, and the yield
Another object is to provide a roller skate which in
able body piece Z6 is provided with a longitudinally ex
cludes a bracket or truck that is constructed so that wheel
tending central bore or aperture 27 which registers with
axles will be positively locked therein, and wherein the
the aperture 25.
construction is such that the parts can be readily disas
As shown in the drawings there is provided for cach
20
sembled and replaced whenever desired or required.
skate a pair of similar trucks or brackets which are each
Another important object is to provide a device of the
indicated by the numeral 28, and since the construction
character described that may be utilized speedily and with
of each is the same, a description of one will sufiice for
precision by even inexperienced users or individuals.
both. Thus, it will be seen that these brackets 2S in
A further object is to provide a roller skate of the type
clude a hase portion 29 that has a recess 35 in the upper
stated that is economical to manufacture and eñicient in
surface thereof for snugly receiving therein the lower
operation and which is rugged in structure and foolproof
end of the yieldable body piece 26, and the base portion
in use.
29 is provided with a central aperture or opening 30 y
Further objects and advantages of the invention are to
which registers with the aperture 27. The numeral 3l
provide improved elements and arrangements thereof in
indicates a securing element or bolt which includes an
30
a device of the character described that is economical to
enlarged head 32 that is adapted to have a washer 36
produce, durable in form, and conducive to the most
economical use of materials and uniformity of members
formed therefrom.
Still further objects and advantages of the invention
arranged contiguous thereto, FIGURE 3, and the se
curing element 31 further includes a shank portion or
stem 33 which extends through the registering apertures
3i), 27, 25, Ztl, and the shank 33 has its upper end
will become apparent in the subsequent description in the
threaded
as at 34 for threadedly engaging the aperture
speciñcation.
17 in. the shoulder 16.
In the drawings:
Each bracket 28 further includes a horizontally dis
FIGURE l is a front elevational view of a roller skate
posed crosspiece or crossportion 37, and a pair of cy
constructed according to the present invention.
lindrical end pieces 38 are secured to or formed integral
FlGURE 2 is a bottom plan view of the roller skate 40 with the ends of the crosspiece 37, and these end pieces
with the rear truck removed.
38 have opposed aligned openings 39 therein, and there
FIGURE 3 is a sectional view taken generally on the
is provided adjacent the inner end portion of each end
line 3_3 of FIGURE l.
piece 3S a slot 4i! for a purpose to be later described.
FIGURE 4 is a sectional view taken on the line 4_4
Each bracket 38 further embodies an integral pair of
of FIGURE 3.
angularly arranged legs 41 that deñne an upstanding
FIGURE 5 is an elevational view of the wheel such
section 42, and there is provided on the upper end of
as the wheel shown in FIGURE 4 and taken at right
the upstanding section 42 a tongue 43 which is swivelly
angles to the view shown in FIGURE 4.
mounted in a recess 44 of an enlargement 4S on the sup
FIGURE 6 is a fragmentary perspective view showing
50 port member 15, As shown in the drawings there is
the parts separated for illustrative purposes.
eñned or provided a space or cutout ‘i6 between the
Referring in detail to the drawings, the numeral 1i)
legs 41 and crosspiece 37. With the parts assembled
indicates a roller skate constructed according to the pres
as shown in FIGURE 3 for example, the legs 4l are ar
ent invention, and it will be seen that the roller skate
ranged at an angle of approximately ten degrees with
10 includes a foot plate li which includes a front and 55 respect to the vertical.
rear portion 12 and 13 respectively, Fl'GURE 2, and the
There is provided for each bracket 2S a pair of similar
numeral 14 indicates a portion of a shoe in broken lines
axles or shafts 47, and each of the axles 47 has a lug
48 integral with the inner end thereof, and the lug 48
in FIGURE 3 which is arranged above the foot plate lì,
is adapted to `be received in the slot óitl of the end piece
and the shoe 14 is adapted to receive a foot of the user,
and _the shoe la may be connected to the foot plate l1 60 38. Each axle 47 further includes an outer threaded
end portion 49, FIGURE 6.
in any suitable conventional manner.
The numeral 50 indicates a ball bearing unit which
Arranged contiguous to the lower surface of the plate
is mounted on each axle 47, and as shown in FIGURE
11 and secured thereto is a support member l5, and the
4 when the parts are in their assembled relation, a washer
support member 15 is provided with a pair of spaced
Si; is adapted to be arranged contiguous to the outer sur
65
apart enlarged portions i5 that define shoulders, and
face of the bearing unit 56, and a nut or fastener S2 is
these shoulders are each provided with a threaded aper
arranged in threaded engagement with the threaded end
ture or opening 17, and the lower surfaces of the shoul
portion 49 of the axle 47.
ders 16 are inclined as at 18. The numeral 19 indicates
a disc or washer that is arranged in abutting relation with
Mounted on each bearing unit Si) is a wheel 5S which
is provided with an inner recess 53 for snugly receiving
respect to the inclined surface lâ of the shoulder lr6, 70 therein the outer periphery of the bearing unit Sil, and
and the disc l@ is provided with an aperture 20 in the
the recess 53 defines on the inner surface of the wheel
3,024,033
4
58 a generally circular flange 54 that is provided with a
central opening S5 for the projection therethrough of
with respect to the vertical. This construction together
with the arrangement of the other parts is such that sulìi
cient clearance is provided so that access can be readily
an adjacent or corresponding portion of an end piece
gained to the axle and other parts in order to facilitate
38. Each wheel 58 further includes adjacent its outer
the removal and replacement thereof, and in addition
surface an annular `groove S6, and the numeral 57 indi
this construction is such that the forces will be properly
cates a snap ring that is arranged in engagement with
distributed in order to insure that a very durable and
the groove 56, and the snap ring S7 abuts the outer sur
rugged construction is provided.
face of the bearing Sil.
When it is desired to replace a member such as the
From the foregoing, it is apparent that there has been
provided a roller skate which includes a unique and im 10 member 26, it is only necesasry to unscrew the bolt or
securing element 31 whereby the bracket 2S can be com
proved wheel and wheel mounting, and in use with the
pletely separated from the support member 15 so that
parts arranged as shown in the drawings, it will be seen
any of the various parts such as the cushioning member
that the roller Skate l() includes the foot plate 11 that
26 can be removed, repaired, replaced or the like.
is adapted to be attached to a wearer’s shoe such as the
The parts can be made of any suitable material and in
shoe 14 in any suitable manner, and the support mem
ber 15 is affixed below the plate 11 as for example by
different shapes or sizes.
It is to be noted that in the skate of the present inven
means of the screws or bolts 22 and 23. The support
tion only one bearing Sti is provided for each wheel 58,
member 15 is shaped to include the spaced apart enlarge~
ments 45 as well as the spaced apart shoulders t6,
as shown in the drawings.
The roller skate of the present invention includes the
and the shoulders 16 have the lower tapered surfaces 1S 20
truck or bracket 28, the axle 47, and the wheels SS to
which are abutted by the discs t9. The pair of front
gether with their associated parts, and the skate of the
wheels and the pair of rear wheels for each skate are
present invention can be used in diñîerent localities and
similarly arranged or mounted, and it will be seen that
for different purposes, as for example it can be used
the mounting includes the securing element 31 that has
in making a skate for a small child, or it can be used
a shank 33 which extends through an aperture 30 in the
in small precision roller skates, and it is also adapted to
base portion 29 of the bracket 28, and the shank 33
be used in regular size or larger roller skates so that
also extends through the aperture 27 in the body piece
the principles of the present invention are applicable to
26, and as shown in FIGURE 3 the shank 33 threadedly
skates of diiïerent sizes. The ten degree angle of the
engages the aperture 17 in the shoulder 16, whereby the
legs 4l of the bracket is provided in order to permit the
securing element 31 maintains the parts including yield
installation of the positive lock individual axle 47 for
able body piece 26 in their proper assembled positions.
each wheel. To install the axle 47 it is only necessary
This construction together with the tongue or ball mem
to insert the axle through the opening 39 from the
ber 43 on the upper end of the section 42 provides a
center of the bracket 28 and then slide the axle outward
yieldable mounting since the yieldable body piece 26
permits the base portion 29 to move towards and away 35 into locking position.
The wheel 58, bearing 50, and snap ring 57 are held se
from the member 24 so that a shock absorbing arrange
curely in place as shown in the drawings, and the nut
ment is provided. Due to the swivel engagement of the
52 may be a 4lock nut or may be an ordinary nut with
tongue 43 in the recess 44 of the enlargement 45, the
a lock washer associated therewith.
bracket 28 and its associated parts can swivel or move
40
The wheel 5S is constructed or shaped so that it uses
as the body piece 26 expands or contracts.
one standard precision bearing 50, and the single pre
It is to be noted that the bracket Z8 is of onepiece
cision bearing Sit is held in the wheel by the flange or
unitary construction and is shaped to include the cross
oiîset 54 on the one side of the wheel, and the snap ring 57
piece 37 that has the end pieces 33 thereon, and these
end pieces 3S have opposed openings 99 therein for the
holds the bearing within the wheel against the ñange 54.
The bracket or truck 28 is adapted to be made of a
projection therethrough of the axles 47. The nuts or
light weight material such as cast aluminum which is cut
fasteners 52. are arranged in threaded engagement with the
away as at 46, and it will be seen that according to the
threaded portions 49 of the axles 47, and the nuts 52
present invention there is provided a positive lock, quick
thus maintain the bearings 5t) in their proper location
change axle 47 together with a single precision bearing
on the axles 47. The wheels 58 are maintained in their
proper position on the bearings 50 by means of the snap 50 wheel, and wherein the wheel 58 can be made of a suit
able material such as plastic, and this construction insures
rings 57 which snugly engage the inner grooves 56 in
that maintenance will be facilitated, and wherein the con
the wheels 58, and the axles 47 have their lugs 48
arranged snugly in engagement with the slots 40 in the
end pieces 33. This construction is such that in the
struction is durable, light in weight and attractive.
Roller skates constructed according to the present in
event that a wheel, axle, bearing or other element is to 55 vention can be used for indoor or outdoor skating, and
by using plastic wheels, the skates can be used in play
be replaced or removed or changed, it is only necessary
rooms, gymnasiums or the like and such plastic wheels
to unscrew the nut S2 from the threaded end 49 of the
may be made of a material that will not mark floors.
axle 47, and then remove the washer 51 so that the
The trucks or brackets 23 are able to oscillate or move
bearing 50 with the wheel 58 thereon can be readily
slipped off or removed from the axle 47. Then, the snap 60 due to the provision of the yieldable or rubber cushions
26 together with the swivel mounting of the tongue 43 in
ring 57 can be disengaged from its groove 56 so that
the recess 44. Also, the present invention can be used
if desired or required the wheel 58 can be readily re
with skates having a fixed length or else they can be used
moved from the bearing Si?. With the bearing removed
with skates having an adjustable length.
.
from the axle 47, the axle 47 can be moved inwardly
With the present invention in the event that only one
so that its lug 4S will move out of engagement with 65
the slot 40 whereby the axle 47 can be disconnected
Wheel or axle or the like is to be replaced or changed,
or disengaged from the bracket, as for example when
then it is not necessary to remove any of the other parts
it is necessary for such an axle to be replaced.
since only the mounting means for that particular wheel
The bracket or truck 28 has a construction such that
or axle need be worked on in order to permit any one
there is provided the upstanding section 42 as well as the 70 wheel, axle or other part to be replaced, repaired or the
base portion 29 and the other parts heretofore described,
like.
For the purpose of exempliñcation, a particular embodi
and as shown in FIGURE 3, the longitudinal axis of the
ment of the invention has been shown, and described ac
legs 41 is arranged slightly angularly with respect to a
cording to the best present understanding thereof, how
vertically disposed plane, and these legs 41 are prefer
ably arranged at an angle of approximately ten degrees 75 ever, ít will be apparent to those skilled in the art, that
3,024,033
5
many changes and modifications can be made therein
without departing from the true spirit of the invention.
What is claimed is:
l. In a roller skate, a foot plate, a support member
arranged contiguous to the lower surface of said foot
plate and afñxed thereto, a pair of spaced apart shoul
ders on said support member, a pair of spaced apart en
largements on said support member and said enlarge
6
tween the leg portions and crosspiece a space, the upper
ends of the leg portions merging together, and the lower
ends of the leg portions being spaced from each other.
5. A roller skate comprising a foot plate, a support
member arranged contiguous to the lower surface of said
foot plate and secured thereto, said support member being
provided with a pair of spaced apart enlarged portions
providing shoulders that have lower inclined surfaces,
ments having recesses therein, front and rear trucks ern
there being threaded apertures in said shoulders, a disc
bodying brackets of a similar construction and each
arranged contiguous to the inclined surface of a shoulder
l()
bracket including upstanding leg portions having a tongue
and said disc having a central aperture therein which regis
on the upper end thereof swivelly engaging a correspond
ters with the aperture in said shoulder, an end member
ing recess, each bracket further including a lower hori
arranged adjacent said disc and said end member having
zontally disposed crosspiece and opposed end pieces hav
a central aperture therein, a yieldable body piece arranged
ing openings therein, there being slots in the inner por
adjacent said end member and said body piece having
tions of said end pieces, axles projecting through said
openings and said axles having lugs on their inner ends
for engaging said slots, bearings on said axles, wheels
mounted on said bearings, a fastener engaging the outer
a central aperture therein, a bracket including a base
portion provided with a recess in its upper surface for
snugly receiving therein the lower end of said body piece
and said base portion having a central aperture therein,
end of each axle, each of said brackets further including
a securing element including an enlarged head arranged
20
a base portion integral with said crosspiece, a securing ele
contiguous to the lower surface of said base portion, and
ment extending through said base portion and engaging
said securing element further including a shank which
a corresponding shoulder, and a yieldable body piece
extends through the registering apertures in said disc,
mounted on each securing element.
end member, body piece, and base portion, the upper end
2. The structure as defined in claim l wherein each of
of the shank being threaded and engaging the aperture
said shoulders includes a lower inclined surface.
in said shoulder; said bracket further including a cross
3. In a roller skate, a foot plate, a support member
arranged contiguous to the lower surface of said foot
plate and afïixed thereto, a pair of spaced apart shoulders
on said support member, a pair of spaced apart enlarge
ments on said support member and said enlargements
having recesses therein, front and rear trucks embodying
brackets of a similar construction and each bracket in
cluding upstanding leg portions having a tongue on the
upper end thereof swivelly engaging a corresponding
recess, each bracket further including a lower horizon
tally disposed crosspiece and opposed end pieces having
openings therein, there being slots in the inner portions
piece having cylindrical end pieces integral therewith,
said end pieces having opposed aligned openings therein,
each of said end pieces having a slot in the inner portion
thereof which communicates with the opening in the end
piece, each bracket further including a pair of angularly
arranged legs which have their upper ends converging
and merging together, a tongue on the upper portion
of the legs, enlargements on said support member having
recesses therein for receiving a corresponding tongue, an
axle extending through the opening in each saidv end
piece and said axle having an outer threaded end, a lug
on the inner end of said axle for engaging the slot in the
of said end pieces, axles projecting through said openings
end piece, a cylindrical bearing unit mounted on said axle
and said axles having lugs on their inner ends for en
and abutting the outer end of said end piece, a fastener
gaging said slots, bearings on said axles, wheels mounted 40 arranged in threaded engagement with the outer threaded
on said bearings, a fastener engaging the outer end of
end portion of the axle, a wheel mounted on said bearing
each axle, each of said brackets further including a base
unit and said wheel including an inner central recess pro
portion integral with said crosspiece, a securing element
extending through said base portion and engaging a corre
sponding shoulder, and a yieldable body piece mounted
on each securing element, each of said shoulders including
a lower inclined surface, said leg portions being arranged
at an angle of approximately ten degrees with respect to
the vertical.
4. In a roller skate, a foot plate, a support member
arranged contiguous to the lower surface of said foot
plate and añixed thereto, a pair of spaced apart shoulders
on said support member, a pair of spaced apart enlarge
viding a circular flange on one side of the wheel which 45 has a central opening therein for the .projection there
through of a portion of said end piece, said bearing unit
abutting the inner surface of said flange, there being an
annular groove in the interior of said wheel adjacent the
outer surface of the wheel, and a snap ring arranged in
60 engagement with said groove and abutting the outer
surface of said bearing unit.
6. A roller skate comprising a foot plate, a support
member arranged contiguous to the lower surface of said
foot plate and secured thereto, said support member be
ments on said support member and said enlargements
ing provided with a pair of spaced apart enlarged por
having recesses therein, front and rear trucks embodying 55 tions providing shoulders that have lower inclined sur
brackets of a similar construction and each bracket in
cluding upstanding leg portions having a tongue on the
upper end thereof swivelly engaging a corresponding re
cess, each bracket further including a lower horizontally
disposed crosspiece and opposed end pieces having open
ings therein, there being slots in the inner portions of said
end pieces, axles projecting through said openings and
faces, there being threaded apertures in said shoulders,
a disc arranged contiguous to the inclined surface of a
shoulder and said disc having a central aperture therein
60 which registers with the aperture in said shoulder, an
end member arranged adjacent said disc and said end
member having a central aperture therein, a yieldable
body piece arranged adjacent said end member and said
said axles having lugs on their inner ends for engaging
body piece having a central aperture therein, a bracket
said slots, bearings on said axles, wheels mounted on said
including a base portion provided with a recess in its
bearings, a fastener engaging the outer end of each axle,
upper surface for snugly receiving therein the lower end
each of said brackets further including a base portion
of said body piece and said base portion having a central
integral with said crosspiece, a securing element extending
aperture therein, a securing element including an enlarged
through said base portion and engaging a corresponding
head arranged contiguous to the lower surface of said
shoulder, and a yieldable body piece mounted on each 70 base portion, and said securing element further including
securing element, each of said shoulders including a
a shank which extends through the registering apertures
lower inclined surface, said leg portions being arranged
in said disc, end member, body piece, and base portion,
at an angle of approximately ten degrees with respect to
the upper end of the shank being threaded and engaging
the aperture in said shoulder; said bracket further includ
the vertical, said leg portions being arranged angularly
with respect to each other whereby there is defined be 75 ing a crosspiece having cylindrical end pieces integral
3,024,033
8
therewith, said end pieces having opposed aligned open
ings therein, each of said end pieces having a slot in the
inner portion thereof which communicates with the open
ing in the end piece, each bracket further including a pair
of angularly arranged legs which have their upper ends
converging and merging together, a tongue on the upper
portion of the legs, enlargements on said support member
having recesses therein for receiving a corresponding
tongue, an axle extending through the opening in each
said end piece and said axle having an outer threaded 10
end, a lug on the inner end of said axle for engaging
the slot in the end piece, a cylindrical bearing unit mounted
on said axle and abutting the outer end of said end piece, a
fastener arranged in threaded engagement with the outer
threaded end portion of the axle, a wheel mounted on `
said bearing unit and said wheel including an inner cen
tral recess providing a circular flange on one side of the
wheel which has a central opening therein for the pro
jection therethrough of a portion of said end piece,
said bearing unit abutting the inner surface of said llange,
there being an annular groove in the interior of said wheel
adjacent the outer surface of the Wheel, and a snap ring
arranged in engagement with said groove and abutting the
outer surface of said bearing unit, there being a space
between the legs and crosspiece, said legs being arranged
at an angle of approximately ten degrees with respect to
the vertical.
References Cited inthe file of this patent
UNITED STATES PATENTS
2,079,185
2,233,355
2,476,193
Schmidt ______________ __ May 4, 1937
Ware _______________ __ Feb. 25, 1941
Hirschmugl __________ __ July 12, 1949
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