US1708640A - Automatic electromagnetic railroad gate - Google Patents

Description

A. TATIOSSIAN AUTOMATIC ELECTROMAGNETIC RAILROAD GATE April 9, 1929.

Filed April 50, 1928 2 Sheets-Sheet 1 w M w x El GEE. qr/need BY in Z E E E RNEY April 1929 A. TATIOSSIAN AUTOMATIC ELECTROMAGNETTC RAILROAD GATE Filed April 30, 1928 2 Sheets-Sheet l NVEN TOR.

BY I

ATTORNEY an... so on until the regularly and slowly it will not 1,708,649 FATE-NT OFFICE.

ARMENAG- TATEG SSIABT, 01F PEABODY, MASSACHUSETTS.

AUTGIVEATIC ELEOTRQ Iw'lAEi-NETIC RAILROAD GATE.

. Application filed in'ii 30, 1928.

"ention relates generally to railway d mo e particular refers ate tower provided with a central verticat post in which plurality of electro-magnets disposed in vertical rows. A support on the said vertical post and is provided with iron rollers 'raction or" the ele\':tro'-magnets. Counghts are connected with the support for normally same into upperposition. Each of the electromagnets is slidably mounted the top mag ner izcd to slightly draw the supdownwards, then the magnets adtop magnets are energized for furdrawing the support body downwards support body reaches its lowest position. Base electromagnets arc arranged,for 'holding the support body in this position until the trainpasses the gate, then the counterweight-s raise the same. {lat elements are attached to and project from the support body operating therewith. Obviously it the gate elements descend be very noticeable. A means is therefore provided for shaking and vibrating the gate elements during ascending and descending for attracting attention. 7

For further comprehension of the invention and of the objects and advantages thereof reference will be had to thefollowing description and accompanying drawings, and to the appended claims in which the various nov l feature of the invention are more particularly set forth.

In the accompanying drawing, forming a material part of this disclosure:

F 1 is a plan View of a portion ot'railway tracks and the gate applied to crossing thereof.

Fig. 2 is an end View of the tower of the device, a portion thereof being broken away for disclosing the counterweights.

Fig. 3 is an end view of the other side 01 the tower.

Fig. 4 1s a front view of the tower certain portions thereof being shown broken away.

- 13 consists of end and the rooil 11. rrom the side ends of the support body 11 Serial li o. .73,595.

Pi 5 is complete front View of the tower whicl is shown resting upon a pedestal.

Fig. is a. horizontal sectional view. taken on the line 3-6 of Fig. 2. I

T a similar view, taken on the line 7? of Fig 2.

hi 8 is schematic diagrammatical view ii ng of the device.

The reference numeral 10 indicates generally the base of the tower, numeral 11 the roof, an d numerals l2 corner angle posts con necting the base and the roof. A central vc tical post 13 extends from the base to the plurality of clectromagnets let are -..ierein in vertical rows. The post plates 15 with cement l6 electromagnets, therebedisposed A support 7 is slidably mounted on body 1 the vertical oost 1.3. and has a )luralit of n i L 1 rollers 18 a" its LOP and arran 'ed around the post 13 and bearing against the post. Iron 3. 1 1o.

- ers 19 are mounted on the support body and bear against the front and rear sides of he post 13. A. flexible cable 20 is attached t ie support body 17 at the front and rear o portions thereof and along the transverse center. t is pointed out that the supt body 1'? is free to tilt back and forth ways since only two rollers 18 are ar ed on the opposite sides of the post 1 i and as stated these rollers are at the top 0 the support body, and the cables 20 are a the transverse centers.

The cables 20 pass over pulleys 21 mounted on the roof 11, and then are attached to counter-weights 22 vertically slidably arranged on the rods 28 extending between the base 10 (late elements 24 project A vertical guide rod 25 with a serrated oute face ext-onus between the base and the ri fin arm 27 projects from the support body 17 and has an end roller QSengaging again t the serrated face 26 for vibrating or rocking the support body and. attached gate elements sideways as they rise or descend for attracting attention. Base electromagnets 29 are mounted in the base 10 directly beneath the iron rollers 19.

As shown in Fig. 1, a gate device is placed on opposite sides of the tracks 30 and 31 at a road crossing 32. The tracks are divided by insulators 38 into gate operating sections 36 electrically connected with the electromagnets of the device as shown in Fig. 8, and arranged for completing an electrical circuit each section to a contact portion l electrically engaged by a contact arm 17* which is alsoengageable with contacts l i connected to the other ends'ot the windings oi the said electromagnets.

A train passing over one of the gate operating sections 36 completes the electrical circuit across the rails thereof, and the arm 1}? normally connects with a contact i l connected with the electromagnets 14: inthe uppermost position on the post 13 .l or energizing these partlcular magnets.

The contact arm 17 is carried on'the support body 17. As the top electromagnets are energized the iron pulleys 19 are attracted and the support body 17 moves down-wards. This downward motion breaks the connection between arm 17 and the specified contact is, but the momentum of the support body'is suiticient to continue the downward motion until arm 17 a connects with a second contact 1% connected with the magnets in the next to the uppermost position, which magnets then attract the put leys 19 and the support body moves further downwards. The vdownward motion of the support body necessarily will be in steps and jerky for similarly 'afi'ecting the gate elements for attracting attention. c

Qbviously as the 'top magnets are energized, the pulleys 19 are drawn downwards,

and vibrate also-as determined by the serrated face 26, then as the magnets next to the 1 top position become energized thepulleys 19 and the gate, descend further, and so on until the gate is entirely closed as indicated by the dotdash lines 35 in Fig. 5; The electromagnets 29are also connected with the track sections 36 and arranged for being energized for holding theatesclosed until thetrain has 0 t5 r I passed the: crossing. Then the counterweights return the gate elements to open position. r V

Wlnle I have shown and described the preferred embodiment of my invention, it is to be understood that I do not limit myself to the precise construction herein disclosed and the right is reserved to all changesand'modi- I fications coming within the scope of the invention as definedin the appended claims.

Having-thus described my invention what I claim as new and desire to secure by United States Letters Patent is:

1. A device of the classdescribed, comprisinga base, a'roof spaced therefrom, a central post extending-fron'i the base to the roof, magnets mountedinvertical rows in the v post, a support body slidably and vibratably mounted on the post, iron rollers on the support bony :tor the magnet attraction, a

, means for normally urging the support-body to top position, gate elements being mounted on the support body, a means for vibrating or rocking the gate-elements and the support bodylduring ascending and descending, and base magnets for holding the support body in lowest position.

2. A device of the class described, com prising a base, a root spaced therefrom, a central post extending from the base to the roof, magnets mounted in vertical rows in the post, a support. body sildablyand vibratably mounted on thepost, including top rollers bearing against the post and supporting cable attached on a center line'for permitting the vibrating, iron rollers on the support body for the magnetic attraction, a means for normally urging the support body to top position, gate elements being mounted on the support her y, a means for vibrating or rocking the gate elements and the support body during ascending and descending, and base magnets for holding the support body in lowest position. c p I 3. A device of the class described, comprising a base, a root" spaced therefrom, a central post extendin from the base to the roof, magnets mounted in vertical rows'in the post, support body-slidably and vibratably mounted on ths post, iron rollers on the support body for the magnet attraction, a means for normally urging the support body to top position, gate elements being mounted on the support body, a means for vibrating or rocking the gate elements and the support body during ascending and descending including an arm projecting from the support body and provided with a roller engaging a serra ed face of a vertical mounted post, and base magnets for holding the support body inlowest position.

In testimony whereof I have affixed my signature.

'7 ARMENAG rariossnia.

Images