US516050A - Edward w - Google Patents

Edward w Download PDF

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Publication number
US516050A
US516050A US516050DA US516050A US 516050 A US516050 A US 516050A US 516050D A US516050D A US 516050DA US 516050 A US516050 A US 516050A
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Prior art keywords
switch
bar
pinion
lever
housing
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • B61L5/102—Controlling electrically

Definitions

  • the object of my invention is to provide a hand-switch to be used in connection with a switch bar capable of independent movement, such as by an electric motor, or a mechanical device used in interlocking systems; the hand switch riding on and moving with the switch bar, and the various features of which are fully set forth in the description of the accompanying drawings making a part of this specification, in which- Figure 1 is a plan view of my improvement as applied to a switch bar moved by an electric motor.
  • Fig. 2 is a plan view of the handswitch with the housing in section on line 1 11 Fig. 4.
  • Fig. 3 is a similar view of Fig. 2, but showing the hand lever reversed in position.
  • Fig. 4 is a section on line 00, to, Fig. 2.
  • A represents the main rail, B the switch rail, 0 G a sectional switch bar; section 0 is provided with rack teeth D.
  • G represents a housing incasing the pinion and rack.
  • the pinion journals in said housing and projects up through on the top side and is provided with the stud I with which the hand lever K engages.
  • the housing is mounted upon and supported by the sectional switch bar 0.
  • Lever K is provided with a slot a engaging over studs b; it is hinged to the socket hub c, preferably by a tenon joint.
  • an electric motor L provided with a screw M moving a cam plate N, having a slot n engaging with the stud 0, so that when the electric motor is turned the plate N is moved and throws the switch. This is simply shown as one of the mechanical means for moving railway switches at a distance, as employed in interlocking systems.
  • the hand lever K is engaged with one of the studsband locked in position when the switch is to be thrown by the electric motor or other mechanical means, and the housing moves with the sectional switch bars 0 G which are thus clutched together.
  • the lever When it is desired .to move the switch by hand the lever is unlocked, lifted up out of engagement with the lug, and as it is turned round it drives the pinionE which engageswith the teeth of the rack-bar and moves the section 0 only and with it the switch rail B.
  • the lever K When the lever K is locked to either of the studs b then the switch is moved by the appliances connected to the sectional switch bar 0, and the hand lever, its pinion and housing riding as an idler back and forth on said bars.
  • sectional switch bar C O The sectional switch bar C O, rack D, pinion E, lever K, and locking device for holding said lever immovable, and clutching the sectional switch bars together, the housin g G rigidly connected to the section 0', substantially as specified.
  • sectional switch bar 0 the housing G provided with the hearing F, sectional switch bar 0, rack D, pinion E, lever K, and the locking device rigidly attachin g saidlever to the housing, substantially as specified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Description

(No Model.)
B. W. HARDEN. RAILWAY SWITCH.
No, 516,050. Patented Mar. 6, 1894.
me NAHONAL u'mounArmua ooMPANY,
UNITED STATES v EDWARD W. HARDEN, OF CINCINNATI, OHIO, ASSIGNOR TO FREDERIC C. lVEIE, OF SAME PLACE.
SWITCH.
SPECIFICATION forming part of Letters Patent No. 516,050, dated March 6,1894. Application filed June 30, 1893. Serial No. 479,262- Qlo model.)
T0 at whom it may concern.-
Be it known that I, EDWARD W. HARDEN, acitizen of the United States, residing at Oincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Railway-Switches, of which the following is a specification.
The object of my invention is to provide a hand-switch to be used in connection with a switch bar capable of independent movement, such as by an electric motor, or a mechanical device used in interlocking systems; the hand switch riding on and moving with the switch bar, and the various features of which are fully set forth in the description of the accompanying drawings making a part of this specification, in which- Figure 1 is a plan view of my improvement as applied to a switch bar moved by an electric motor. Fig. 2 is a plan view of the handswitch with the housing in section on line 1 11 Fig. 4. Fig. 3 is a similar view of Fig. 2, but showing the hand lever reversed in position. Fig. 4 is a section on line 00, to, Fig. 2.
A represents the main rail, B the switch rail, 0 G a sectional switch bar; section 0 is provided with rack teeth D.
E represents a pinion meshing with the rack teeth; when the pinion E is turned the switch bar 0 moves longitudinally in its housing supported by bar F.
G represents a housing incasing the pinion and rack. The pinion journals in said housing and projects up through on the top side and is provided with the stud I with which the hand lever K engages. The housing is mounted upon and supported by the sectional switch bar 0. Lever K is provided with a slot a engaging over studs b; it is hinged to the socket hub c, preferably by a tenon joint. For illustration I have shown an electric motor L provided with a screw M moving a cam plate N, having a slot n engaging with the stud 0, so that when the electric motor is turned the plate N is moved and throws the switch. This is simply shown as one of the mechanical means for moving railway switches at a distance, as employed in interlocking systems. The hand lever K is engaged with one of the studsband locked in position when the switch is to be thrown by the electric motor or other mechanical means, and the housing moves with the sectional switch bars 0 G which are thus clutched together.
When it is desired .to move the switch by hand the lever is unlocked, lifted up out of engagement with the lug, and as it is turned round it drives the pinionE which engageswith the teeth of the rack-bar and moves the section 0 only and with it the switch rail B. When the lever K is locked to either of the studs b then the switch is moved by the appliances connected to the sectional switch bar 0, and the hand lever, its pinion and housing riding as an idler back and forth on said bars.
Having described my invention, what I claim is 1. The combination with a railway-switch, of a switch-bar composed of two bar sections, one of which is connected with a switch-rail and is movable longitudinally beside and independent of any movement of the other bar section, operating mechanism connected with the latter bar section for moving it lengthwise, a pinion mounted on a part of one of the bar sections and engaging the other bar section, and means for rotating and locking the pinion stationary, substantially as described.
2. The sectional switch bar 0 O, the rack D, pinion E, lever K, and the locking device for clutching said switch bars together so that both will move in unison when the switch is thrown, substantially as specified.
3. The sectional switch bar C O, rack D, pinion E, lever K, and locking device for holding said lever immovable, and clutching the sectional switch bars together, the housin g G rigidly connected to the section 0', substantially as specified.
4:. The combination of the sectional switch bar 0, the housing G provided with the hearing F, sectional switch bar 0, rack D, pinion E, lever K, and the locking device rigidly attachin g saidlever to the housing, substantially as specified.
In testimony whereof I have hereunto set my hand.
EDWARD W. HARDEN.
\Vitnesses:
T. SIMMONS. O. W. Mums.
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