US942288A - Switch for tramways. - Google Patents

Switch for tramways. Download PDF

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Publication number
US942288A
US942288A US48135409A US1909481354A US942288A US 942288 A US942288 A US 942288A US 48135409 A US48135409 A US 48135409A US 1909481354 A US1909481354 A US 1909481354A US 942288 A US942288 A US 942288A
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Prior art keywords
switch
cables
tramways
auxiliary rail
guide
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Expired - Lifetime
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US48135409A
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Nathan Schwarz
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L11/00—Operation of points from the vehicle or by the passage of the vehicle
    • B61L11/02—Operation of points from the vehicle or by the passage of the vehicle using mechanical interaction between vehicle and track

Definitions

  • the present invention relates to a switch for tramways which is constructed in such a manner that the conductor of the tramcar can move the switch without stopping the car or without leaving the platform.
  • FIG. 2 is a view of the apparatus for operating the switch from the car.
  • Fig. 3 representsthe inner construction of the apparatus shown in Fig. 2.
  • Fig. 4 shows the guide-rollers for the cables.
  • Fig. 5 represents the guidepiece for the shifting of the cables.
  • Fig. 6 shows the switch-piece to be placed between the fixed and the movable rail.
  • Fig. 7 is a cross section of the auxiliary rail.
  • Fig. 8 represents the dust-collector.
  • the improved switch is constructed as follows At the place where the switch is to be installed, an auxiliary rail a is fixed between the rails.
  • This auxiliary rail a has two longitudinal guide grooves 12 extendin over half its length.
  • the guide piece 0 For the shifting of the cables cl is pivoted upon the auxiliary rail a at the end of the guide grooves Z).
  • This guide piece 0 has two borings for the reception of one of the ends of the cables cl, (Z, the other ends of which are attached to the corresponding switch pieces 7", f, after they have been guided over the guide rollers e, e.
  • the dust collector Z is located below the auxiliary rail a so that the dust removed from the guide grooves b, b can be collected in the same, the dust collector being pro vided with suitable slots.
  • This apparatus consists of a casing g in which pinions are provided adapted to be revolved in both directions by means of a the direction in which the hand lever is turned.
  • the device operates as follows :If the switch has to be moved to the left, the conductor of the tramcar turns the hand-lever h to the right, so that the right hand side bar 71 descends. The end of this bar penetrates into the corresponding guide groove 1) of the auxiliar rail (1 in which it slides along until it strikes against the guide piece 0 which thus is swung around its pivot and shifts the cables d so that the left hand side switch f is moved. To secure the guide piece 0 in its positions a blade spring is is provided which engages with the corresponding guide groove Z) of the auxiliary rail a.
  • An improved switch for tramcars adapted to be operated from the car comprising in combination, an auxiliary rail fixed between the ordinary rails, having two longitudinal guide grooves in its upper surface, a guide piece for shifting the cables pivoted upon said auxiliary rail in front of the guide grooves, means for securing said guide piece in its position, two cables fixed with one end to said guide piece, the one at the front end and the other at the rear end of the same, switch pieces between the fixed and the movable rails to which the other ends of said cables are attached and rollers for guiding said cables, means for operating the guide piece from the car consisting of vertical rods and .a suitable device for lowering the one or the other of said rods so that it penetrates into the corresponding guide groove of the auxiliary rail and strikes against the guide piece to make the same swing around its pivot, substantially as described and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Description

N. SGHWARZ. SWITCH FOR TRAMWAYS, APPLIOATIOH FILED HA3. 5, 1909.
Patented Dec. 7, 1909.
NATHAN SCHWARZ, OF POSEN, GERMANY.
SWITCH FOR TRAMWAYS.
Specification of Letters Patent.
Patented Dec. '7, 1909.
Application filed March 5, 1909. Serial No. 481,354.
To all whom it may concern:
Be it known that I, NATHAN SoHwARz, subject of the King of Prussia, and resident of Posen, Germany, have invented certain new and useful Improvements in Switches for Tramways, of which the following is a specification.
The present invention relates to a switch for tramways which is constructed in such a manner that the conductor of the tramcar can move the switch without stopping the car or without leaving the platform.
The improved device is shown in the accompanying drawings.
Figure l in ground plan. Fig. 2 is a view of the apparatus for operating the switch from the car. Fig. 3 representsthe inner construction of the apparatus shown in Fig. 2. Fig. 4: shows the guide-rollers for the cables. Fig. 5 represents the guidepiece for the shifting of the cables. Fig. 6 shows the switch-piece to be placed between the fixed and the movable rail. Fig. 7 is a cross section of the auxiliary rail. Fig. 8 represents the dust-collector.
The improved switch is constructed as follows At the place where the switch is to be installed, an auxiliary rail a is fixed between the rails. This auxiliary rail a has two longitudinal guide grooves 12 extendin over half its length. The guide piece 0 For the shifting of the cables cl is pivoted upon the auxiliary rail a at the end of the guide grooves Z). This guide piece 0 has two borings for the reception of one of the ends of the cables cl, (Z, the other ends of which are attached to the corresponding switch pieces 7", f, after they have been guided over the guide rollers e, e.
The dust collector Z is located below the auxiliary rail a so that the dust removed from the guide grooves b, b can be collected in the same, the dust collector being pro vided with suitable slots.
At the front end of the car the apparatus for the operating of the switching device is fixed in easy access for the conductor of the car. This apparatus consists of a casing g in which pinions are provided adapted to be revolved in both directions by means of a the direction in which the hand lever is turned.
The device operates as follows :If the switch has to be moved to the left, the conductor of the tramcar turns the hand-lever h to the right, so that the right hand side bar 71 descends. The end of this bar penetrates into the corresponding guide groove 1) of the auxiliar rail (1 in which it slides along until it strikes against the guide piece 0 which thus is swung around its pivot and shifts the cables d so that the left hand side switch f is moved. To secure the guide piece 0 in its positions a blade spring is is provided which engages with the corresponding guide groove Z) of the auxiliary rail a.
I claim An improved switch for tramcars adapted to be operated from the car comprising in combination, an auxiliary rail fixed between the ordinary rails, having two longitudinal guide grooves in its upper surface, a guide piece for shifting the cables pivoted upon said auxiliary rail in front of the guide grooves, means for securing said guide piece in its position, two cables fixed with one end to said guide piece, the one at the front end and the other at the rear end of the same, switch pieces between the fixed and the movable rails to which the other ends of said cables are attached and rollers for guiding said cables, means for operating the guide piece from the car consisting of vertical rods and .a suitable device for lowering the one or the other of said rods so that it penetrates into the corresponding guide groove of the auxiliary rail and strikes against the guide piece to make the same swing around its pivot, substantially as described and for the purpose set forth.
In witness whereof I have hereunto set my hand in the presence of two witnesses.
NATHAN SCHWARZ.
Witnesses:
BRUNO BERENDT, KURT BERG.
US48135409A 1909-03-05 1909-03-05 Switch for tramways. Expired - Lifetime US942288A (en)

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US48135409A US942288A (en) 1909-03-05 1909-03-05 Switch for tramways.

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US48135409A US942288A (en) 1909-03-05 1909-03-05 Switch for tramways.

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