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Патент USA US3083656

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April 2, 1963
3,083,649
D. S. NELSON
RAILWAY
Filed Aug. 10, 1960
3 Sheets-Sheet 1
INVENTOR
DONALD 5. NELSON
BY
‘
_
*
rm’u" W V ATTORNEY5
April 2, 1963
D. s. NELSON
3,083,649
RAILWAY
Filed Aug. 10, 19670
54
3 Sheets-Sheet 2
I85
INVENTOR
001mm 3. NELSON
lé’" Z5;
*-/ _L
“4
“PM, WWW»
ATTORNEY}
April 2, 1963
D. S. NELSON
3,083,649
RAILWAY
Filed Aug. 10, 1960
3 Sheets-Sheet 3
%
INVENTOR
DONALD s. NELSON
BY ‘F?iw/ (245$; 76W
-
——
ATTORNEYJ
nited States Patent 6 "ice
$383,649
Patented Apr. 2, 1953
2
1
,FIG. 4 is a horizontal section of one car.
3,0836%
PAELWAY
DonaldFiled
5. Nelson,
Aug. 10,
15671959,
€c~rnmerce
Ser. No.St,48,569
Dallas,
9 Grams. (Cl. MAL-121)
This invention is a railway and railway cars therefor,
of a type using two monorails, one above the car and
one below the car, making the cars captive.
FIG. 5 is an enlarged vertical cross-section of the guide
and bearing rollers for the car.
FIG. 6 is an enlarged side view of the guide and bear
ing rollers of FIG. 5.
‘FIG. 7 is a vertical section view of a modi?cation.
FIG. 8 is a plan view on line 8—8 of FIG. 7.
FIG. 9 is a side elevation of a typical driving unit
for a car.
The principal object of the invention is to provide a
Referring now to these drawings, vertical standards 2
railway supported above the street level on a series of
preferably of prestressed concrete, support a series of
single vertical standards, thereby involving the use of
supplemental supporting standards 4.
Upper rail member ‘6, which extends of course for the
entire length of the railway and is made preferably of
obstruction of tra?c. However, the railway may be used
15 prestressed concrete, is provided with downwardly
at ground level also.
extending flanges 8 straddling supports 4.
In the preferred embodiment of the invention, the
Each upper rail 16 is formed integrally with member
upper and lower monorails are supported by the stand
6 and comprises an outer ?ange 12, which cooperates
ards and are fairly close to the standards on either side
with opposite ?ange 3 to form an inverted U~shaped
thereof, being supported by the upper and lower rails
rail. These parts are duplicated on the opposite side,
and extending outwardly therefrom.
a minimum of space on the street with a minimum
More speci?cally, the upper rail or channel for the car
as in FIG. 3.
Each lower rail comprises a center part 14 provided
is substantially in the shape of an inverted U, while the
with upward ?anges 16 engaging over the lower portion
lower rail or channel is substantially U-shaped. The
of standard 4.
main weight of the car is supported by a series of rollers
Lower rail 18 is formed as an integral extension of 14
or wheels moving on the ‘bottom of the lower channel. 25
and has an outer ?ange 2t} cooperating with flange 16 to
These supporting rollers or wheels are preferably resil
form a U-shaped rail. These parts are duplicated on
iently mounted.
the opposite side, as in FIG. 3.
Each car comprises a longitudinally extending vertical
The car 24 is cantilevered from its support '4, as in
Wall or frame, which may be regarded as the back wall
of the car and the car is supported by this back wall. 30 FIG. 3. The car is supported from and by what may
be termed its inside or ‘back wall 26 which wall, however,
This back wall carries the supporting wheels referred to
extends longitudinally. The wall 26 is provided with a
in the previous paragraph. In addition, this back Wall
carries an upper series of balancing or guide rollers, turn
ing on vertical axes, which bear alternately against oppo
series of vertical supports 28, positioned every few feet,
these supports being provided with brackets 39 for load
site vertical walls of the upper rail or channel; the back 35 supporting rollers or wheels 32 on horizontal axes,
brackets 30 being resiliently mounted ‘by strong springs
wall also carries a lower series of balancing or guide
34 inside support 28. Rollers 32 bear against the upper
walls of lower rails 18.
A duplicate set of load supporting rollers 35 is pro
vided at the upper ends of support 28, rollers 35 bear
ing against the bottom walls of upper rails 16.
guides, resembling leaf springs, may be used.
To take care of side sway, there is provided alternately
The car itself is in e?ect cantilevered outwardly from
positioned rollers, on vertical axes, bearing alternately
its support and guide rollers.
against the vertical inner walls of the upper rails 16 and
The cars may be in duplicate, if desired, on opposite
sides of the supporting standard. Where the cars are 45 lower rails 18. To describe the mounting of these roll
ers: An upper roller 36 is mounted on a vertical axis in
aligned laterally on opposite sides of the standard, this
rollers, turning on vertical axes, which bear alternately
against opposite vertical walls of the lower rail or channel.
The guide rollers are resiliently mounted.
In place of the guide rollers just described, resilient '
balances the load on the standard.
tion is not limited to this feature.
However, the inven
a stirrup 38, carried by arm 4t} pivoted in a bracket 42
on car wall 26. Below the bracket, a spring 44 urges
arm 49 outwardly, causing roller 36 to bear resiliently
Supporting girders and standards are preferably made
50 against ?ange 12. Arm 40 is a lever of the ?rst class.
of prestressed concrete.
Another set of analogous guide rollers 46 turning on
The cars are driven by a power unit, comprising a
vertical axes, is each mounted in a stirrup 43, carried by
central portion for carrying a driving motor. This driv
arm 51} pivoted in bracket 52. A spring 54 urges arm 59
ing unit is provided, preferably at its lower end, with
outwardly causinU rollers 46 to bear resiliently against
load supporting rollers and guide rollers, working in the
lower channel, and with driving wheels and guide rollers 65 flange 16 of lower rail 13. Arm St) is a lever or’ the
third class.
Another set of upper guide rollers 36a turning on ver
pressed upwardly by spring means against the bottom
tical axes is carried by arms 50a, analogous to Stl, which
wall of the upper channel and so the frictional grip of
are resiliently pressed against the inner vertical wall 8
the driving wheels is independent of the load and of the
of
upper rail 1d by coil springs 54a. Lever arms Ella,
60
weight of the cars, and so the cars may be quite light
working in the upper channel.
The driving wheels are
like 55'), are levers of the third class. Rollers 36 and 36a
take care of side sway in either direction with respect to
The cars are provided with seats facing forwardly or
the upper rail.
sidewise as desired and with slidable doors, electronically
Another set of lower guide rollers 46a turning on ver
controlled, as with elevators.
65 tical axes is carried by arms 49a analogous to arm 49,
Further details and advantages will be described in
are resiliently pressed by springs 44a against the inner ver
connection with the accompanying drawings, in which:
tical wall 16 of lower rail 18. Rollers 46 and 46a take
FIG. 1 is a side elevation of a railway in accordance
care of side sway in either direction with respect to the
with this invention.
lower rail.
FIG. 2 is a top plan view of FIG. 1.
In place of the rollers described above, for taking care
70
FIG. 3 is an enlarged vertical transverse cross-section
of side sway, spring members slidable in the upper and
on line 3—~3 of FIG. 1.
lower rails may be used, as shown in FIGS. 7 and 8.
in weight.
3,083,849
,
4
3
Vertical beams 60 secured at 62 to the back wall 26 of
the car, carry at top and bottom arcuate springs 64, hav
unit includes resilient means for pressing said upper and
lower bearing wheels against the horizontal walls of said
ing ends 66 turned inwardly. The spring members 64
slide along inside the upper and lowerrails 10 and 18
and bear against the two vertical wallsthereof and take
care of side sway. As shown in FIG. 7, an electric pow
channel members.
3. A driving unit for a car operating between an upper
channel of inverted substantially U-shaped and a substan
er rail 68 may be embedded in one wall of either the
upper or lower rail v10 or 18 and the springs 64 also act
tially U-shaped lower channel, comprising a central ver
tical support including two relatively movable parts,
spring means for urging said parts in opposite vertical
as slidable contact shoes for picking up current for light—
7 directions, a motor carried by one of said movable parts,
ing or driving the cars, or both.
10 driving wheels driven by said motor and mounted oper
One type of drive unit for driving the car is shown
atively in one of said channels, and bearing wheels car
diagrammatically in FIG. 9. This comprises a main sup
ried by the other of said movable parts.
port’ 74, which telescopes over compression piston 76, a
4. A driving unit as set forth in claim 3, wherein said
strong spring 78 urging 74 and 76 apart. Piston 76
driving wheels are forced into strong-frictional contact
carries two lower compression wheels 79. Forwardly 15 by said spring means with said upper channel.
and rearwardly extending brackets 80 and 82 are pivoted
5. A driving unit as set forth in claim 3, further in
at 84 to extensions on piston 76. Brackets‘ 8t) and 82
cluding compensating o?set wheels on vertical axes oper
carry compensating offset guide wheels 85, turning on
atively engageable with the vertical walls of said upper
vertical axes; these wheels are urged laterally and out
channel.
,
,
wardly in opposite directions by springs 86 to bear against
6. A driving unit as set forth in claim 3, further includ
opposite‘ vertical walls of lower rail 18, to take care of
ing compensating offset wheels on vertical'axes operatively
side sway and so to center compression wheels 79 in
engageable with the vertical walls of said lower channel.
the lower rail.
7. A railway comprising in combination a substantially
Support 74 carries housing 90 in which is mounted a
U-shaped lower channel member having a horizontal wall
motor 91. Motor 91 drives gears 92, shafts 93 and 25 and vertical side walls, an upper channel member o? sub
gears 94 to drive two driving wheels 95, turning on hori—
stantially inverted U-shape having a horizontal wall and
zontal axes and pressed by heavy spring'78 into strong
vertical side walls, a passenger car having a vertical back
frictional driving contact with the horizontal part of up
per rail 10, for thereby driving the car. Forwardly and
rearwardly extending brackets 96 and 97 pivoted at 98,
by said back wall, rollers on horizontal axes carried at
carry compensating otlset wheels 99 turning on vertical
axes, which are pressed laterally in opposite directions
horizontal walls of said lower and upper channels, a plu
by springs 109, to bear against opposite vertical sides of
otedv to said back wall, rollers mountedron vertical axes,
wall; a plurality ofvertical load carrying supports carriedv
the ends of said vertical supports and bearing against the
rality of vertically positioned spring pressed levers, piv
upper rail 10 to thereby take care of side sway. The
carried by the ends of said levers, said last-mentioned roll
motor 91 may be driven by current from the power rail 35 ers contacting the vertical walls of said upper and lower
68, FIG. 7.
channel members, for taking care of side sway.
I
With the described construction, the heavy spring 78
8. The combination of claim 7, further including a
presses the driving wheels 90 into strong'frictional con
driving unit carried by said car, said driving unit com
tact with the upper rail and provides the necessary trac
prising a supporting frame, upper and lower bearing
tion, so that the drive does not depend for friction on 40 wheels canried by said frame and bearing against the hori-v
the weight of the car and so a relatively light construc
tion for the car is possible.
ried by said driving unit operatively connected with cer
' While the preferred embodiment of the invention has
tain of said bearing wheels.
zontal walls of said channel members, and a motor car
been shown and described, it should be understood that‘
'
' 9. The combination of claim 7, further including a
the invention can be carried out in other ways, as falling
within the scope of the claims.
driving unit carried by said car, said drivingv unit com
prising a supporting frame, upper and lower bearingv
' I claim asmy invention:
wheels carried by said frame and bearing against the
1. A railway comprising a substantially U-shaped lower
horizontal walls of both of said channel members, re
channel member having a horizontal wall and vertical
spectively, resilient means for pressing said upper and
50
side walls, a substantially inverted U-shaped upper chan
lower bearing wheels against the horizontal walls of both
nel member having a horizontal wall and vertical side
walls, a car provided with upper and lower guide rollers
of said channel members, respectively, and a motor carried
and with upper and lower load supporting rollers, posi
tioned in and cooperating with said upper and lower chan
nel members, a driving unit car-ried by said car compris-, 55
ing a supporting frame, upper and lower bearing wheels
carried by said frame and bearing against the horizontal
walls of said channel members, and a motor carried by
said driving unit operatively'connected with certain of,
said bearing wheels.
'
V 2. The combination o? claim 1, wherein said driving
by said ‘driving unit operatively connected with certain
of said bearing wheels.
' vReferences Cited in the ?le of this patent
‘v UNITED STATES PATENTS
962,179
Tunis _______________ __ June 21, 1910
1,770,068
Connors ______________ __ July 8, 1930
1,099,179
France ______________ .__ Mar. 16,1955
60
FOREIGN PATENTS
7
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