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Патент USA US2404376

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July 23, 1946.
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G. c. HENDERSON
MONORAIL
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2,404,376
TROLLEY
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Filed Oct. 18, 1944
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Zinqentot
George ‘ C.‘ Hznderson
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July 23, 1946'
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G. c. HENDERSON.
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$2,404,376
MoNoRAIL TROLLEY
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Filed Oct. 18, 1944
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Zhwentor
George C. Henderson
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Patented July 23, 1946
, 2,404,376
UNITED STATES PATENT OFFICE‘
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2,404,376
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> ’ MONORAIL TnoLLEx
> George C. Henderson, Detroit, Mich.
Application October 18, 1944,‘ Serial No. 559,207
13 Claims.
1
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invention relates to monorail traction
systems and particularly to trolleys for such sys
tems.
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An object of the invention is to provide a sim
pli?ed yet highly efficient mechanism'for driving
a trolley-suspended carriage along‘ a monorail.
Another object is to provide a drive mechanism
for a, trolley-suspended carriage that .may be
easily adapted to different suspended loads, to
assure an adequate but not excessive tractive fric
tion' between a drive wheel and a monorail track.
Another object is to prevent inan improved
manner side sway of a trolley in traveling at mon
orail.
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(01. 46-216)‘
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and have shown a drive-transmitting trolley asso
ciated with the motor car, and a mere suspension
trolley associated with the passenger cars, said
trolleys, however,"having certain novel ‘features
in common.
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‘ Describing ?rst the drive-transmitting trolley,
a frame 6 which may advantageously be a sheet
metal stamping rigidly surmounts the‘car 4 and
projects upwardly therefrom, said frame having
its lower end portion horizontally bent to form a
base 1 bolted to the car as indicated at 8. It is
preferred to extend said base forwardly and rear
wardly beyond the car 4 and to perforate its
ends for engagement by the downturned ends of
coupling members 9 welded or otherwise perma
Another object is to provide in an improved 15 ‘ nently a?‘lxed to the cars 5. ‘The upper end por
manner for securely holding a carriage suspend
it a ready removal from the track by means of
tion of the frame 6 is of reduced width and hori
zontally bent to, form a lug In which journals the
upper end of a shaft ll adapted to be driven by
a simple control.
an electric motor l2 rigidly installed within the .
ing trolley engaged with its track, while affording
7
Another object is to utilize monorail trolleys as 20 .car 4. , The motor rigidly carries within said car
coupling member for cars of a suspended train.
an arched ‘bracket l3 engaged'by the bolts 8 and
Another object is to suspend a‘car from an
formed centrally with an upstanding bearing ‘ l4
overhead track by trolleys riding the track and
j'ournaling the motor shaft Ma. and snugly en-'
coupled to the end portions of the car.
'
gaging in an aperture of the base 1 to assure
__ Another object is to detachably couple the cars 25 accurate alignment of the shafts II and Ila.
of a toy ‘monorail train‘ to‘ the trolleys of the
train, permitting different types of cars, such
as passenger. and freight to alternatively employ
the same trolleys, thus ‘reducing the cost 'of a
A drive coupling between these shafts is estab
lished by forming one of them with a socket
member l5 receiving the other, the latter trans- .
versely carrying a drive pin l6 engaging the
Fixed on the shaft ll just be
.These and various other objects are attained
low‘ the lug I0 is a small traction wheel l'l hav
by the construction hereinafter described and‘il
ing its under face suitably beveled, as for-ex
lustrated in the accompanying drawings, where
ample at a forty-?ve degree angle. Predeter
minedly laterally spaced from the wheel I1 is a
" "g. 1 is a view in side elevation of a train sus 35 traction wheel [8 illustrated as cylindrical and
pended on a monorail track by my improved
mounted on a stub shaft l9 parallel to the shaft
trolleys. I
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II and carried by the lug l0. As illustrated the
Fig. 2 is a sectional view taken on the line 2-2
free end portion of said lug is bent downwardly
of Fig. 1, showing in end elevation the motor car
and then inwardly so as to support both ends of .
train set including different types of cars.
1n:
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of said train and its trolley.
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30 socket member.
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40 the stub shaft.
The shafts II and I9 extend
su?iciently above the lug H] to carry a pair of
trolley.
.
intermeshed pinions 20 whereby the wheel I8 is
Fig. 4 is a vertical sectional view of the motor
.driven reversely to the wheel ll. Spacing of the
car trolley taken on the line 4—4 of Fig. 1.
wheels IT and I8 adapts them to seat on and
Fig. 5 is a horizontal sectional view of said 45 straddle the track'rail I, said wheels and par
trolley taken on the line 5-5 of Fig. 1.
ticularly the wheel ll thus jointly transmitting
Fig. 6 is a vertical sectional view of the trailer
the weight of the trolley, motor and motor car
trolley, taken on line 6-6 of Fig. 1.
to said rail. Such weight induces a material
In these views, the reference characters I and
pressure of such wheels upon the rail, particu
50
Fig. 3 is atop plan view of the motor car
2, designate upper and lower parallel rails spaced
rigidly apart by insulating plates 3 to form a
track for my improved trolley, such track being
preferred at least for purposes of toy train sets.
I ‘have illustrated a train comprising a motor
car‘ 4_ and passenger cars15, allof toy design,_
larly in view of the relative divergency of their f V
rail-engaging faces.
A large rectangular aperture 2| in the upright
portion of the frame 6 is productive of spaced
parallel hanger arms and on each such arm is
2,404,876
5
V .
with a monorail at opposite sides thereof, one of
neath the track, of a trolley arranged to travel on
said wheels having a beveled face adapted to seat
the track, and means for detachably coupling said
both downwardly and laterally against the rail
carriages to and suspending them from said trol
and serving as a traction wheel, said frame hav
ley, readily releasable from the trolley by lifting
ing'a lateral extension above said wheels to dis
of the carriages.
pose them in a straddling relation to the rail,
6. In a monorail system, the combination with
and means for driving said traction wheel to
a track and two trolleys disposed to travel on the
propel the trolley along the rail, the frame being
track, of an elongated carriage disposed beneath
apertured to accommodate said traction wheel.
the track, and means for detachably coupling the
11. In a monorail trolley, a trolley frame hav
10
end portions of the carriage to and suspending
ing
a lateral extension at its top, twov wheels
the carriage from said trolleys, said means being
mounted in said frame beneath said extension
releasable from the trolleys by lifting of the
and laterally spaced to engage a track in a
carriage.
I straddling
relation thereto, an approximately
7. In a monorail trolley, a trolley frame, two
vertical shaft carrying and driving one of said
wheels journaled in said frame and engageable
wheels, and a pair of inter-meshed gears above
with a monorail at opposite sides thereof, one of
said extension transmitting a drive to the other
said wheels having a beveled face adapted to seat
both downwardly and laterally against the rail
and serving as a traction wheel, and means for
driw'ng said traction wheel to propel the trolley
along the rail, the frame being apertured to
to accommodate said traction wheel.
8. In a monorail trolley, a trolley frame, two
wheels journaled in said frame and engageable
with a monorail at opposite sides thereof, one of
said wheels having a beveled face adapted to seat
both downwardly and laterally against the rail,
and means for driving said wheels to propel the
trolley along the rail.
wheel.
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12. In a monorail trolley and track, the com
bination with a trolley frame disposed at one side
of the track, of an approximately vertical shaft
journaled in said frame, drive means for said
shaft, a traction wheel ?xed on the shaft and
. supported on the track at one side thereof, said
frame having an extension,- above and across
the track, and means carried by said extension
engaging the track at the other side thereof to
maintain operative engagement of said wheel ‘
with the track.
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13. In a monorail system, the combination with
9. A monorail trolley comprising a frame, a 30
a track and two carriages in train relation be:
pair of wheels journaled upon said frame, spaced
neath the track, of a trolley arranged to travel
to straddle the top face of a track, drive means
along the track and comprising a frame, coupling
for at least one of said wheels to propel the
trolley along the track, and. a pair of grooved
wheels journaled in said frame and oppositely
spaced from the axial plane of the ?rst men
tioned pair of wheels and engageable with the
track, beneath the latter, to resist lateral move
ment of the trolley relative to the track.
10. In a monorail trolley, a trolley frame, two 40
wheels journaled in said frame and engageable
elements mounted on the carriages and project
ing above the trolley frame to suspend the car
riages upon said frame, said elements having
downturned ends and said frame being apertured
to receive said ends, whereby the carriages are
readily detachable from the trolley.
GEORGE C. HENDERSON.
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