Improvements in Electric Railways on a Sectional Conductor System.
Year: 1898

page_text: Date of Application, 7th June, 1898
Complete Specification Left, 7th Mar., 1899-Accepted, 8th Apr., 1899
PROVISIONAL SPECIFICATION.
Improvements in Electric Railways on a Sectional Conductor System.
I, GEORGE FRIDERICK REDFERN, of the Firm of G F Redfein & Co, The
General Patent Office, No 4, South Street, Finsbury, in the County of London,
Patent Agents, do hereby declare the nature of this invention (a communication
to me by Benjamm J Falk, of New York, Borough of Manhattan, New York
State, United States of America, Photographer,) to be as follows.―
The invention relates to surface-contact electric railways in which the circuit
is normally interrupted at intervals along the track This cucuit 18 closed and
opened at points under the car by means of a magnetic device carried upon
the car
Figure 1 is a diagrammatic view embodying my invention:
Figure 2 18 a plan view of the railway track
Figure is a cross section of the track through one of the junction boxes;
Figure 4 is a longitudinal cross-section of a junction box
Figure 6 is a detail perspective of the switch mechanism.
represents a sectional surface contact feeder 1ail 2 are pole pieces on the
underside of nail 1 This ail is preferably biohen at 35, and also between
poles 2, 01, what is substantially the same tlung, a piece of diamagnetic metal 36
is inserted between the sections 1 at the poles 2
3 is a junction box enclosing the pole pieces 4 is an oscillating shaft joui-
nalled in box 3.
5 is an armature on shaft 4 disposed between the pole pieces 2. 6 is a switch
mechanism normally open.
7 is the switch-box within the junction box. 8 18
shaft 4 normally acting to keep the switch 6 open
a weighted arm upon
9 is a dynamo 10 is a feed wire therefrom and 11 is a return wire thereto
12 is a feed wire to switch 6 13 and 14 are feed wires leading from switch 6
to contact rails 1
15 and 16 are the ordinary track rails. Instead of the usual bonding of these
Tails to return the current, the rail sections 15 are not directly connected
electrically, but return wires 17 and 18 are led from said rails to the switch 6.
19 18 & 1'un wire from switch 6 to the return wire 11, and dynamo 9
The car carries a current collector 20 having preferably rolling contacts 21
and electro-magnets 22 electr cally connected thereto
23 19 a wire leading from collector 20 and magnets 22 to the car motor 24
25 is a wire leading from the motor to the track 15 through one of the car
wheels.
In operation the current flows from dynamo 9 through feeder 10, branch wires 12,
to switches G When the magnets of the collector 20 reaches the feeder-rail
sections 1 substantially opposite the poles 2 and make contact therewith the
magnets 22 are energized from the preceding section and a magnetic-flux enters
the pole pieces 2, causing the armature 5 to find its relative poles Shaft 418
thereby oscillated and electrical connection established between wie 12, feeder 10

page_text: and wires 13 and 14 to the adjacent feeder sections 1 through contact 26 of
switch 6, and between wires 17 and 18 leading from track sections 15, to wire 19
of return wie 11 through contact 27 of the switch
The current thereupon flows through switch 6 to sections 1, where their respec-
tive amatures are actuated, to contacts 21, collector 20, wie 23, to motor 24,
and from the motor by wire 25 and car wheel to rail 15, to wires 17 and 18,
switch 6, wue 19, wire 11 to dynamo 9.
The current is broken through sections 1 when the collector passes from
contact therewith, the pole-pieces 2 become demagnetized and the weighted arm 8
causes armature 5 to swing back, thereby breaking all connections through
switch 6 and rendering all sections not under the car dead and harmless The
armature 6 thus held by the magnets 22 until the current collector passes from
each section, after being excited, is due to the amature coming into contact
with the poles 2 and forming a magnetic-catch
Junction box 3 has a hand hole provided with a cover 28 a drain 29 to the
Bewer, openings for the feed and return wires 10 and 11, supports for the
switch-box 7 and shaft 4, and insulated bearings 30 for the feeder sections 1
Some of the track rail sections 15 may be longer than the sections 1 and those
switches adjacent the longer sections 15 may have only one return wire 31, instead
of two returns 17 and 18
This system will operate in connection with a continuous return through the
usual bonded track rails if desired, in which case wires 11, 17, 18, 19 and 31
may be omitted, but I prefer the described system as safer and surer
Dated the 7th day of June 1900
G. F REDFERN & Co.,
4, South Street, Finsbury, London,
Agents for the Applicant.
Improvements in Electric Railways on a Sectional Conductor System.
I, GEORGE FREDERICK REDPERN, of the Firm of G F Redfern & Co., The
General Patent Office, No 4, South Street, Finsbury, in the County of London,
Patent Agents, do hereby declare the nature of this invention (a communication
to me by Benjamin J Falk, of New York, Borough of Manhattan, New York
State, United States of America, Photographer,) and in what manner the same
is to be performed, to be particularly described and ascertained in and by the
following statement. -
The invention relates to surface-contact electric railways in which the circuit
is normally interrupted at intervals along the track This circuit is closed and
opened at points under the car by means of a magnetic device carried upon
the car
I will describe the invention by reference to the drawings filed with my
Provisional Specification.
Figure 1 is a diagrammatic view embodying my invention
Figure 2 18 a plan view of the railway track
Figure 3 is a cross section of the track through one of the junction boxes;
Figure 4 is a longitudinal cross-section of
junction box
Figure 5 is a detail perspective of the switch mechanism.
1 represents a sectional surface contact feeder rail 2 are pole pieces on the
underside of al 1 This rail 1 is preferably broken at 35, and also between

page_text: poles 2, or, what is substantially the same thing, a piece of diamagnetic metal 30
is inserted between the sections 1 at the poles 2.
3 is a junction box enclosing the pole pieces 4 is an oscillating shaft jour-
naled in box 3
5 is an armature on shaft 4 disposed between the pole pieces 2. 6 is a switch
mechanism normally open.
7 is the switch-box within the junction box 8 is a weighted arm upon
shaft 4 normally acting to keep the switch 6 open.
9 is a dynamo
10 is a feed wire therefrom and 11 is a return wire thereto
12 is a feed wire to switch 6. 13 and 14 are feed wires leading from switch 6
to contact rails 1
15 and 16 are the ordinary track rails. Instead of the usual bonding of these
rails to return the current, the rail sections 15 are not directly connected
electrically, but return wires 17 and 18 are led from said rails to the switch 6
19 is a return wire from switch 6 to the return wire 11, and dynamo 9.
The car carries a current collector 20 having preferably rolling contacts 21
and electro-magnets 22 electr cally connected thereto.
23 is a wire leading from collector 20 and magnets 22 to the car motor 24
25 is a wire leading from the motor to the track 15 through one of the car
wheels.
In operation the current flows from dynamo 9 through feeder 10, branch wires 12,
to switches 6 When the magnets of the collector 20 reaches the feeder rail
sections 1 substantially opposite the poles 2 and make contact therewith the
magnets 22 are energized from the preceding section and a magnetic-flux enters
the pole pieces 2. cansing the armature 5 to find its relative poles Shaft 4 is
thereby oscillated and electrical connection established between wire 12. feeder 10
and wires 13 and 14 to the adjacent feeder sections 1 through contact 26 of
switch 6, and between wires 17 and 18 leading from track sections 15, to wire 19
of return wire 11 through contact 27 of the switch
The current thereupon flows through switch 6 to sections 1 where their respec-
tive armatures are actuated, to contacts 21 collector 20 wire 23, to motor 24,
and from the motor by wire 25 and car wheel to rail 15, to wires 17 and 18,
switch 6, wire 19. wire 11 to dynamo 9
The current is broken through sections 1 when the collector passes from
contact therewith, the pole-pieces 2 become demagnetized and the weighted arm 8
causes armature 5 to swing back, thereby breaking all connections through
switch 6 and rendering all sections not under the car dead and harmless The
armature 5 thus held by the magnets 22 until the current collector passes from
each section, after being excited, is due to the armature coming into contact
with the poles 2 and forming a magnetic-catch
Junction Box 3 has a hand hole provided with a cover 28 a drain 29 to the
Bewer, openings for the feed and return wires 10 and 11, supports for the
switch-box 7 and shaft 4, and insulated bearings 30 for the feeder sections 1.
Some of the track rail sections 15 may be longer than the sections 1 and those
switches adjacent the longer sections 15 may have only one retuin wire 31, instead
of two returns 17 and 18
This system will operate in connection with a continuous return through the
usual bonded track rails if desued, in which case wies 11, 17, 18, 19 and 31
may be omitted, but I prefer the described system as safer and surer
Having now particularly described and ascertained the nature of my Baid
invention, and in what manner the same is to be performed, I declare that what
I claim 18..
1
1. In a surface contact electric railway, the combination of a moving vehicle,
field-magnet poles located between the tracks at suitable intervals, an armature
mounted fax MANAMAnt hatawan tha

page_text: carried by the moving vehicle supplving a magnetic flux to the field-poles for
moving the armature
3 The combination of feeder rail sections, pole pieces upon each of said sec-
tions, an armature pivoted at its center and disposed between the adjacent ends
of said pole pieces, normally at right-angles to said sections, we connections,
and a source of energy, whereby the aimature is caused to swing into line with
said sections and find its relative poles
3. The combination of feeder rail sections, pole pieces upon said sections, an
armature hung between said pole-pieces, and means for energizing said sections,
whereby the armature is caused to swing into line with aid sections
4 The combination of a sectional track rail, feeder rail sections, pole pieces
upon said sections, an armature pivotally hung between said pole pieces, an
oscillating shaft upon which the armature is hung. means for normally holding
the armature at right-angles to said sections, switch pieces upon said shaft and
oscillating therewith, fixed switch pieces, wires leading from the switch pieces
to adjacent sectional track rails a source of electrical energy, and wires leading
therefiom to the oscillating switch pieces upon the armature shaft
5 The combination of feeder al sections, pole pieces upon Pard sections, a
cen'rally pivoted armature hung between said poles, an oscillating shaft upon
which the armature is hung, a switch piece upon the shaft, wire connections, a
source of energy for energizing the feeder rail sections and causing the armature
to find its relative poles and actuate the switch, and a car carving a motor and
a current collector
6. In an electric railway system the combination of a junction box having
a top provided with a cover and a seat for the feeder section, an oscillating shaft
mounted therein carrying an armature and a switch, and a secondary box within
the junction box enclosing the switch
7. In an electric railway system, a junction box having a seat for a feeder-rail
extending longitudinally across one side of the same, a second box within the
unction box enclosing a switch mechanism and a removable cover for the
junction box
8 A junction box for surface-contact railways provided with a seat at one
side for the surface-contact, a cover-plute alongside thereof, and having a remov
able secondary switch-box within the junction-box, a shaft within the secondary
switch box carrying a switch, and extending out across the junction-box and
carrying an armature
9. A junction-box for surface-contact always provided with a seat at one
side for the surface-contact, a cover-plate alongside thereon, a secondary switch-
box within the junction-box having a removable cover lying under the removable
cover of the junction-box, a shaft extending across the junction-box and through
the secondary box, having a switch within the secondary box, and an armature
within the junction box