US835605A - Train-annunciator. - Google Patents

Description

No. 835,605 PATBNTED NOV. 13, 19 06 E. A. EVERETT.

TRAIN ANN UNGIATOR.

APPLICATION FILED MAY 8, 190B.

2 SHEETS-SHEET'I.

Q Inventor.- WL'i'nesses: I 66m dwelt No. 835,605. PATENTED NOV. 13, 1906.

. E. A. EVERETT.

TRAIN ANNUNGIATOR. APPLICATION FILED MAYB, 1906.

2 SHEETS-SHEET 2.

iii-3g;

fUNITED STATES PATENT orator.

EDWARD EVERETT, OF DETROIT, RUOHIGAN, ASMG NOR TO THE UNIOh SWITCH AND SIGNAL COMPANY, OF SWISSVALE, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

TRAIN-ANNUNOIATOR.

Specification of Letters Patent.

Patented Nov. 13, 1906,

Applicationfiled May 8. 1906. Serial No. 315.750-

tors, and has more particular reference to that class of annunciator used for indicating the approach or presence of cars or vehicles at a'particular point or on a defined section of track.

I will describe a train-annunciator embodying my invention and then point out the novel features thereof in claims.

In the accompanying drawings, Figure 1 is a side elevation of a train-annunciator embodying my invention, the casing or cover for the same being shown in section. is a sectional elevation thereof, taken on the irregular dotted lines 2 2 of Fig. 1. Fig. 3 is a view similar to Fig. 1, showing the operating parts in another position. These views illustrate my invention as constructed and arranged for use with a normally open circuit. Fig. 4 is a view similar to Fig. 3, illustrating my invention as constructed and arranged for use with a normally closed circuit.

Similar reference characters designate corresponding parts in all the figures of the drawin s.

Referring to the drawings, A designates a suitable casing having a cover B, the latter being provided wlth an opening C, before which is exposed to view a display device D, formed of a card or other device for displaying information. There may be a plurality of openings and a plurality of display devices, each display device being operated from an independent mechanism. The card or device D has two positions, in one of which the presence of a train or vehicle at any part or in any defined section of track is denoted.

E designates electromagnets, and e an armature. The electromagnets E may be included in anopen circuit or in a closed circuit, as the re uirements of the railway may demand. In oth arrangements the operation of (the annunciator is practically the samet hat is, the energizing of the electromagnet one instance will serve to efiect the release of the card or device D to permit Fig. 2

it to drop and give proper indication, while.

the deenergizing of the electromagnets in the other instance will accomplish the same end.

Referring to Figs. 1, 3, and 4, it will be noted that the card. or device D is arranged on the free end of an arm D, which latter is pivotally supported in bearings F, arranged in the casing B, its opposite end being provided with a plurality of arms or extensions (1 (1 d The arm or extension d is preferably provided with a projection which engages a shoulder 8, located at the free end at a latch or pawl f, and when the projection engages the shoulder the pawl f holds the card or (Shown in Figs. 1 and 4,)

g designates a pawl suspended ironi the armature e. The latch or pawl j rests upon the arm or extension (1, and its extremity normally engages a tooth or shoulder 9, provided on the pawl g (in the construction illustrated in Figs. 1, 2, and 3.) when the armature e is not attracted by the electromagnets E.

When the parts are in the position shown in Fig. 1, it will be evident that when the electromagnets E are energized by the action of a train at a determined point or in a defined section of track the armature e'will be lifted, and with it the pawl g, thereby disengaging the pawl f from the arm or extension d. This action releases the card or device D and permits it to drop to the position shown in Fig.3, thus denoting the position of the car or train. The arms or extensions (1 and d are adapted to engage a projection (i which acts as a stop to limit the movement of the card or device D in either direction, and the extension (1 may, furthermore, be employed to engage contact-plates p p, which connect, respectively, with the negative and positive wires p p in a local circuit leading to a suitable audible or visual signal X, (see Fig. 2,) arranged near the annunciator and in a tower or terminal located at a distance from the block-section with wl. oh the annunciator is in electrical circuit.

In the construction illustrated in Fig. 4, which, as before mentioned, is operable with a closed circuit leading from the electromagnets, the latch or pawl f has connected to it Lit E are do which is ed shoulder g on the pawl g as the latter falls with the arnmture e when the electromagnets ucr 'ized, the arrangement being such that i tch or pawl f by this movement will be lifted out of engagement with the arm or extension (l and the card or device D all-Loved to fall.

is will be noted, the fingerf is here shown as being j i otelly connected to the latch or pawl f, and both are arranged to rest upon the uppe; end of the arm or extension (1, so thetwhon ti: tootl or shoulder g inits downt the finger-f it will er, and with thenoseon the ing as H, fulcrum, the latch-or lifted so releasethe cerd i it to fall to the POSi? tion shownv in v thereby effecting the local boll-circuit and disclosing opening Window C the chards" previously described. 1 While the parts are in 'ble signal is sounded unis-taiuzes,- and escontinue to sound. so is remained at a cered section cit-track.

lo] w tain point To prevent considered lway operators as an fie means whereby the stopped, 18 an QlOjfiGl] *hich at one end is H1 l)", its other end e);-

tending casing B, WhGlE'll) may terimnah an eye it or b provided With I 1 1 p v I m i o begrasped by i l? beingon the pivotal support to that or device ll carried, it annuiixeiator is in the '2 ini a a pull upon the red h r end of the arm ll until the oi the arm or extension 63 llflfil on the latch'or m d" will also be withngement with the contact plates p 11 l y breaking; the local circuit of the audioli rignal.

The pawls and g engage each other after the paxvlfha. been lilted out of engagement with the arm or extension d; but when the latter engages the lower extremity of the pawl g luring me downward movement of the arm drawn from I) it will lorr-otlic oa wl outwardly so as to clearly slurs-n in Fig. 3. I

ted to be engaged by atootn or come what has been the ".rst pawl is made to release the senses li uthrough any abnormal conditions the armature e should be actuated after the arm D hes been-restored to its normel position by being momentarily released from the electromagnets E, the latch or pawl f will of course be lifted by reason of shoulder g pessin under it, and the arm 1 3 will thereupon fall closing the local bell-circuit and. sounding the alarm. Should a like occurrence take place in the construction shown in Fig, 4, the tooth 9 will move the finger and likewise cause the releaseof the card device i), A pull upon the handle it will, howeveig readiiy'restore the parts to their'former position.-

it will be noted that the'lowe: 'ef ernity of the pawlg is preferably formed witnieuiose er projection g, 'Which normally rests-'11? close proximity to the arm or extension in ore that it may the more quickly-contactwm and disen age the pawl g from its one with the atch or pawl after t1" been lifted to release the arm l).

Having thus described my invention I claim, and desire to secure byLe-tten 1 is as follows:

1, An annunciatorhaving in mobilization a i lay device, a pawl for hold it in one position, an electromagnet and; enact" mature, a pawl operated by the arm atur. adaptec to engage the first im'ivl when said armature is operates th I, is moved to release the display novice audible signal operated by the display't When in its released position, a stop ing the audi le signal and 'lii'il disp ay device to the first position, i armature is attracted.

position, a second pawl adapted to engane'the tin;

firs pawl, an electroinag an co rnature'to which the second pan is co." and whereby, when said a mature is device, an audible signal operated by t play device when released, on stopping the audible signal 7 display device to thefirst position-Without a movement of the armature.

3. An annunci'atorhaving in combination adisplay device, a paw for holding it in one position, a second pawl, an" clcctromagnet and coacting armature to which the second pawl is connected-and whereby, when said armature is moved the first pawl is made to release the display device, a circuit including an audible signal close by the display device in its released position, and means for opening the said circuit, and rot urning the display device to the first position, without a movement of the armature.

at. An annunciator for railway signaling purposes having in combination a display deice, means for holding thedis'yday device in one position, an electrmnaeuet and armature seams Q for releasing the displaydeviee, an audible signa%, ope'ated when thie displayf device is in its re ease sition, an means or sto ping v the eudible a1 and returning the dl splay i EDWARD EVERETT 5 device to the tpositionwithout affecting Witnesses:

the electromagnet or its armature. v s 0. B. BAEUZIGER, In testimony whereof I have signed my I. G. HOWLETT.

mine to this s ificstion in the presence of twp subsel'i witnesses.

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