US804626A - Switch. - Google Patents

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Publication number
US804626A
US804626A US26929705A US1905269297A US804626A US 804626 A US804626 A US 804626A US 26929705 A US26929705 A US 26929705A US 1905269297 A US1905269297 A US 1905269297A US 804626 A US804626 A US 804626A
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Prior art keywords
plate
cam
slides
switch
slide
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Expired - Lifetime
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US26929705A
Inventor
John C Scargle
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John C Scargle
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Priority to US26929705A priority Critical patent/US804626A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L11/00Operation of points from the vehicle or by the passage of the vehicle
    • B61L11/02Operation of points from the vehicle or by the passage of the vehicle using mechanical interaction between vehicle and track

Description

No. 804,626. PATENTED NOV. 14, 1905. J. C. SCARGLE. SWITCH.
APPLIUATION FILED JULY 12. 1905.
2 sHEBTssHEET 1.
PATBNTED NOV. 14, 1905.
J. C. SCARGLE.
SWITGHA.
APPLICATION FILED JULY 12.1905.
2 SHEETS-SHEET 2.
W/ T/VE SSE S:
im s Es PATEN Specification of Letters Patent.
Patented Nov. 14, 1905.
Application led July l2, 1905. Serial No 269,297'.
To n/ZZ 1.0710771, it may concern:
Be it known that I, JOHN C. SCARGLE, a citizen of the United States, and a resident of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and Improved Switch, of which the following is a full, clear, and eXact description.
My invention relates to a switch designed to be automatically operated by a passing car or train.
The principal object thereof is to provide means for eiliciently operating the switch in a simple manner without greatly increasing the cost of the equipment and also to improve the form of the s witch itself.
It is applicable to steam, electric, and, in fact, all other forms of railways.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.
Figure l is a plan of a portion of a railway, showing one form of my invention applied thereto. Fig. 2 is a longitudinal sectional view of the same, showing certain equipment applied to a car for operating the switch. Fig. 3 is an end elevation of the switch, showing the parts in section. Fig. 4 is an end elevation of the mechanism shown in the upper part of Fig. 2. Fig'. 5 is a fragmentary central sectional View of a detail, and Fig. 6 is a plan of a modification coming within the scope of" my invention.
The track of the railway is shown as being provided with a space between two portions of the main track and also between the main track' and a siding. In this space is mounted a reciprocating plate c. This plate is provided with a section of track a', adapted when the plate is moved to the position shown in Fig. l to complete the main track at this point. It is also provided with a section of track a2, which when moved from the position shown in full lines in Fig. l to the position shown in dotted lines will complete the connection between the siding and the main track at the left. The sliding plate is provided with grooves a3, running transverse to the track, and in these grooves lit a series of guides b, fixedly mounted upon the roadbed, these guides provided for restraining the plate to move instraight lines transverse to the track. In order to provide for automatically moving this plate, it is provided with a lug (Z4, to which is connected a lever c, this lever heilig' pivoted, by means of a rod c', to a stationary part of the road-bed or the like. On the other end this lever is provided with a cam ci. This cam is preferably located on a stationary plate CZ, which is provided with two sets of ways Z for the reception of a pair of slides e. These slides are provided with slanting surfaces e, adapted to engage the rear curved surfaces of the cam c2. They aremovably connected together by means of a link f, which is pivoted to each slide and to a central piece Z2 between the inner ways CZ. It will be seen from this construction that it is impossible for both slides to be moved forward at once, as the forward motion of one moves the other to the rear. In Figs. l and 2 I have shown a loose cog-wheel c3 on the cam and meshing with teeth on the surfaces c to lock the switch. I provide each train or car with means for engaging these slides, so as to turn the cam and operate the plate a. I have shown this device as comprising a lever g, mounted on the car and provided with a counterweight g to keep one end in raised position. A pin /z is provided for depressing the high end of the lever, and on the lever is mounted a slide Zz, having a shoe Zz. This slide is mounted in a vertical guide Z, aiiixed to the car. Vhen the pin /i is depressed, the shoe Zt" will be forced down into such position that it will engage the rcar end of one of the slides e. As there are two slides, two of these devices are providedw-one upon cach side of the plate (Z. Each of the shoes is provided withl a pair of rollers 7a2 upon its opposite sides. These rollers are designed to engage 'on an inclined surface (Z3, located adjacent to the position which the ends of` the slides take upon being moved inwardly; The operation of this part of the device will be readily understood. The operator on the car or train moves the necessary shoe Zt" downwardly, so that it will engage the rear end of the slide e, which is located in its path. When it engages this slide, it forces it forward land turns the cam c2, so as to move the plate a into the proper position for switching' the train onto the siding or keep it on the main track, as may be desired. When the shoe Zo reaches such position that the slide e cannot move any farther, the inclined surfaces Zii engage the rollers It and force them upwardly out of the way of the slide. The device isthus automatically thrown out of operative position.
It will be understood that my invention may be set up in various ways-Mas, for eX- ample, two plates a can be provided upon two IIO sides of the track and connected together, so as to move simultaneously. Also the device for operating the slides will be somewhat modified in some cases from that shown in the drawings and can be changed to conform with existing conditions.
In Fig. 6 I have illustrated another form in which the invention can be applied. The plate d is located on the opposite side of the track from the sliding plate which it is to operate. In this case the lever c is connected with a rod m, movable in guides n, and in turn connected with links 0, which are mounted on the plate ct. The other parts in this form are exactly the same as those shown in the other figures.
In both forms I have shown a series of stops p for the sliding plate. These stops ma57 be located on both sides of the plate.
Having thus described my invention, Iclaim as new and desire to secure by Letters Patentl. A railway-switch, comprising a movable plate, a lever connected with the plate and having a cam-surface, a pair of slides each having a surface adapted to engage the surfaces on opposite sides of said cam, and means for projecting one of said surfaces into engagement with the cam when the other is withdrawn therefrom.
2. A railway-switch comprising a plate, means for guiding the plate to move transversely to the tracks, and means for moving the plate comprising a lever connected with the plate, a cam on the lever, a slide adapted to engage and move the cam, a shoe adapted to engage and move the slide against the cam, and means for moving the shoe into and out of position in line with the slide.
3. A railway-switch comprising a movable plate, track-sections thereon, a lever connected with the plate and having a cam-surface, a plate in which said cam-surface is mounted, said plate having a pair of ways, a slide in each set of ways, said slides having inclined surfaces adapted to engage said cam-surfaces, and means for moving said slides against the cam.
t. A railway-switch comprising a slidable plate having track-sections thereon, a cam for moving said plate, a pair of slides having parallel surfaces for engaging opposite sides of said cam and moving it, a link pivotally connected with both of said slides and pivoted to a stationary element, means for engaging the slides to move them against the cam, and means for throwing said engaging means out of reach of the slides.
5. A railway-switch comprising a sliding plate, a pair of slides for operating said plate, a stationary part having ways for said slides and inclined surfaces located adjacent to the position in which the rear ends of said slides are located, and means for moving one slide in one direction when the other moves in the opposite direction.
6. A railway-switch, comprising a sliding plate, a pair of slides for operating the plate, said slides having surfaces op positely disposed with respect to each other, a cam connected with said sliding plate between said surfaces and adapted to engage them, and means on the cam for locking the parts in any desired position.
7. A railway-switch-operating device, comprising a pivoted cam, a cog-wheel thereon, and a pairof slides having surfaces on opposite sides of the cam for engaging it, said slides being provided with teeth for engaging the cog-wheel and locking the switch.
In testimony whereof` I have signed my name to this specification in the presence of two subscribing witnesses.
JOHN C. SCARGLE.
Witnesses HARRY FOSTER, GEORGE GEIKLER.
US26929705A 1905-07-12 1905-07-12 Switch. Expired - Lifetime US804626A (en)

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US26929705A US804626A (en) 1905-07-12 1905-07-12 Switch.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496098A (en) * 1946-05-21 1950-01-31 Grande Vito La Railroad switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496098A (en) * 1946-05-21 1950-01-31 Grande Vito La Railroad switch

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