US936443A - Train-controlling mechanism. - Google Patents

Description

0. GIBSON.

TRAIN GONTROLLING MECHANISM.

APPLICATION FILED APB. 5. 1 909.

l n at WITNESSES 0. GIBSON.

. TRAIN CONTROLLING MBGHANISM. APPLIGATION rum APR. 5.1909.

Patented Oct. 12, 1909.

2 SHEETS-SHEET /N-l/ENTOR gine, which lever actuates a valve `in the air UNITED srATEsgrn-TENT onirica.

Specification of Letters Patent. Application led April 5, `19.09. Serial No. 487,8'85.

cording to the best mode'I have so far de- 4vised for the practical application of the principles. l, i'

Figure 1 is a fragmentary view, showing a lever connectedto the air brake system of a train of cars and carried by the locomotive, and an obstruction placed in the path of movement of said level', to act thereon. Fig. 2 isa .view taken transversely of two railautomatictraln-controlling devices for railroad tracks, illustrating the device applied Ways .fOl IHIDHHZDg' the danger' 0f accil to a four track road, an inner and an outer dents, due to trains running past set danger track being illustrated, over which trains slgnals at `signal towers or stations. pass in the Vsame direction. Fig. 3 is an e11- Many accidents are caused bythe failure 'larged view of a portion of the device. F ig. o an engineer on a moving train to observe 4 is an end view of Fig.y 3, and Fig. 5v isl a and heed vthe set danger` signals, at a tower view showing some parts in detail, not fully or station, due sometimes. to foggy weather, illustratedin other views. the presence'of smoke, or the inability of the The invention may be a engineer'to act and be governed by the set track, double track, or four track road, SlgnaL A' changes in location of some parts being The object of my invention is to provide necessary,'lor perhaps duplicating of parts means, operated from the signal tower b may be found convenient in some instances. the towerman, and in conjunction with block The construction illustrated in Fig. 2 shows systems, for automatically stopping'a train two tracks of a four-track road equipped which has passed the signal set for it, .by with the device. Fig.'l may illustrate any actuating a valve in the air brake system` one ofthe above enumerated roads. to relieve` pressure therein and apply the Referring to Fig. 1 a brakes of the lmovingv train. 'The mechan-y mot-ive is designated by the numeral l. This ism may be used as an lauxiliary with the locomotive is provided with an air plpe 2 block system, or may be used in conjunction which is an extension from the air brake with and operated by switch-throwing mechtrain pipe and a valve 3, normally closed, 1s anism to warn the Iengineer of a passing interposed in the extension. This valve 3 is train of an open switch.- provided with a lever 4 and the lever may be The invention consists essentially of an moved lto open the valve to reduce pressure abutment located at a desirable point, and in the train pipe and apply the brakes, or movable from a convenient location, into the opening of the' valve may operate a sigthepath of movement of a lever on the ennal'in thecab of the locomotive, as will be understood. The valve and lever are so situated under the'engin'e as to be out ofthe Way of obstructions, and the valve is operated only by 'contact with my specially placed obstruct1on,'which in the drawings is illustrated asa disk 6 which is adapted to rotate eccentrically with relation to its supporting shaft 7.

To all whom it may concern:

Be it known that I, ORLANDO GIizsoN, a citizen of the UnitedStates, residing at Hollidaysburg, in the county of Blair and State of Pennsylvania, have invented certain new and useful Improvements in Train- Controlling Mechanisms, of which the following is a specification. Y

My invention relates to improvements in pplied to a single brake system, to either apply `the brakes, or operate asignal on the engine. lVhen not inuse the abutment is turned down sothat passing trains may clear it. lVhen in operal tive position, if the obstruction is struck by an undesired element, or the obstruction I is ridden down by a train passing in the opposite direction, as on a single track road,

The shaft 7 is supported in bearing blocks a spring cushion -is provided to` take the 8 which blocks are held in suspension by force of the blow and return the obstruction l means of springs 9, the bolts l0 which conto' operative position. l l nect thebearing blocks with base pieces 1l In the accompanying drawings I have 'serving as guides for `the bearing pieces.

illustrated one example of the physical eln- The bolts are passed through perforations bodimcrtt of my invention constructedvacin flanges of the bearlng blocks and' the Patented oct. 12, i909. y

portion of a' locon cept trains may clear it.

v may be placed a bolt heads or nuts 12 hold the blocks down upon the springs 9. The shaft -7 is thus supported in bearings whichare cushioned to receive the force of a shock limparted thereto by an u'ndesiredimpact.

The disk 6 is secured to the shaft 7 by means of a set screw 13, and the shaft may be rotated to move the disk in to or out of o erat-ive position by means of lever arm 14 wiliich is secured on the souared end 15 of the shaft. The arm link 16 which mayV what Iclaim as new and desire to secure by Letters Patent is 1. In combination with a train, a tri controlled lever, means operated thereby or applying the air brakes'of the train, a sha having spring buffers rotatably secured below the track, a wheel eccentrically mounted on the shaft, and means for rotating the shaft to move said cam wheel into position to contact with the lever and to move it out of said contacting position. 2. The combination -in an appliance as de- 14 is' connected to a be a wire or pipe 'as ID OV- i l I usual, leading lto the signal tower and scribed ofa hollow shaft suitably supported, able therefrom, and by this means the disk a contact piece thereon and means for r0- may be moved into or out of the path of tating said shaft,- with a second shaft eX- of the lever 4 on the locomotive.

movement In Fig. 2 a disk is shown raised into plosition to be struck by the passing Alever 4, at the left, and at the right the vdisk is turned down out of the path of movement of the lever 4. To provide for the equipmentv of two tracks of a four-track road, or each track of a double track road, I employ a second rotatable member, which may conveniently be a length of pipe as 17, through which the 4. The combination in an appliance as deshaft- 7 is passed, and these two elements scribed of a hollow shaft carrying an eccenare rotatable independent of each other. tric disk, a second shaft extending through The sleeve or pipe 17 is provided with 'a said first shaft and. carrying a second eccendisk 6v and the pipe is journaled in beartric disk, bearing blocks for said shafts, ings 8', identical with the bearin s 8,' ex.- means for rotating that the journal opening is arger to dlsks independently of accommodate the sleeve 17. Levers 18, simii lar to levers 14, are connected to thesleeve 17, preferably by screw threads, asshown, and the levers 1S may be moved to lrotate the sleeve 17 from the ltower las described.

The cam disks and their rotatable shafts suitable distance from the signal tower, and the shafts preferably are passed under the rails of the tracks, as illustrated. As seen at the right in Fig. 2, the disk 6 is turned down 'so that all passing I the disk at the left in said figure should accidentally be struck by a heavy, or unmovable, passing portion of the train, the disk would be ridden down carrying with it the shafts and their bearings, and the springs would act as cushions, to receive'the impact of the blow, and return the disk to operative position'. `When the disk is struck by the comparatively light lever 4, said lever is turned, thus closing its valve, applyingthe brakes, or actuating a signal `as the case may be.

, Having thus fully described my invention,

tended through said hollow shaft carrying a second contact piece, and means for rotating said second shaft.

3. The combination in anv appliance as described of a hollow shaft carrying a contact piece, la second shaft extending through the first and carrying a contact piece, means for independently rotating said shafts,vand separate flexible bearings for said shafts.

each other, and means disk, bearing blocks for said shafts, springs under said blocks, bolts forming guide posts for said` bearings, and means for rotating the shafts independently of each other.

In testimony whereof I affix my signature. in presence of two witnesses.

ORLANDO GIBSON.

Witnesses:

ORLANDo BRENNER, HOWARD Porn.

the shafts to move the the first shaft and carrying a second eccentric for. receiving the impact on said disks from i

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