US1581716A - Station indicator - Google Patents

Description

April 20 1926. 1,581,716

D. K. BARNES STATI 0N INDICATOR Filed April 1. 1925 3 Sheets-Sheet l u j u \l 1 IL u u u U \f U gmmatoz D- K- BMW.

April 20 1926. I

' D. K. BARNES STATI ON I NDICATOR Filed April 1, 1925 3 Sheets-Sheet 2 gwuehtom April 20,1926. 1,581,716

D. K. BARNES summon INDICATOR Filed April 1. 1925 s sheets-sheet 5 I I u 3% l A 2 5% 1,111111111 gwventoc 12 11 Barnes- Patented Apr. 20, 1926.

DAVID K. BARNES, 0F MQNARY, ARIZONA;

STATION INDICATOR.

Application filed April 1, 1925. Serial No. 19,968.

To all whom it may concern:

Be it known that I, DAVID K. BARNES, a citizen of theUnited States, residing at Mc- Nary, in the county of Apache and State of Arizona, have invented certain new and useful Improvements in Station Indicators, of which the following is a specification.

This invention relates to station indiicators and has for its :object the provision of a simple and inexpensive device which may be mounted within a car or other vehicle traveling over a fixed route, and operated automatically at the several stopping points along the route whereby to announce the name of the stopping point which the car is approaching. The invention is illustrated in the accompanying drawings and will be hereinafter fully set forth.

In the drawings:

Figure 1 is a conventional side elevation of a trolley car diagrammatically illustrating the invention Fig. 2 is a front elevation of the indicator with the casing partly in section;

Fig. 3 is an enlarged section through the indicator;

Fig. 41 is a diagram of the working electric circuits, and

Fig. 5 is a view showing a difierent vention. 1

In the drawings, the reference numeral 1 indicates a casing of any convenient or preferred construction having a sight opei ing 2 in its front side between its top and bottom, which sight opening is preferably covered-by a pane of glass 3. Disposed within the casing to' travel immediately in rear of the sight opening is an apron or display belt 4 having the names of the stations printed, painted or otherwise displayed thereon, as indicated at 5. The ends of this apron or web are secured to and are adapted to wind upon drums 6 and 7 mounted within the casing at the bottom and top of the same, respectively, and upon one end of each drum or its shaft 8 is secured a sprocket 9 about which is trained a sprocket chain 10 which is also trained about a sprocket pinion 11 secured upon an intermediate sh-aft 12 mounted in any convenient manner within the casing and carrying a gear 13 which meshes with a second gear 14 arranged within the casing at the side of the same. Upon reference to Fig. 3, it will be readily noted that the chains 10 are exsimilar to Fig. 3 but embodiment of the inof the web 4 so that the the drums in feedingthe a driving connected therewith the ends of feed rollers 15 whicli cooperate with feed rollers 16 equipped at their ends with gears 17 meshing with the respective gears 13,. as will be understood upon reference to Fig. 3. The feed rollers 15 and 16 frictionally engage the front and rear faces web will be held smooth and taut behind the sight opening 2 and the said rollers also cooperate with web in the proper direction.

The lower roller 161 is carried by arms 18 which are pivotally mounted upon a shaft 19 mounted in the rear portion of the casing 1 and equipped motor 23. Between the ends of one arm 18, I attach thereto. a shifting bar 24 which has its upper and lower ends pivotally connected to levers 25 which are fulcrumed within the casing betweentheir'ends, as shown at 26, and have their front ends disposed adjacent the path of the web or apron 4. Upon the web, adjacent the ends thereof, are seor strikers 27 which are adapted in the operation of the device to ride against the end of a lever 25 and vibrate the same so as to raise or lower the shifting bar 24 and thereby carry the lower cured tappets gear 14 upwardly into mesh with the upper gear 14: or downwardly into mesh with the lower gear 13 and thereby control the direction oftravelof the web in an obvious manner. The shifting bar and lever are so balanced that they will stay in the position in which they are set by the tappets.

On the roof of the car 28 is a contact 100 or bracket 29 which is connected with the motor through a lead-in wire 30 and rides against and under a projection 31 as the car approaches a stopping point. The projection 31 is secured upon one of the supports for the trolley wire 32 and is electrically so. that current will be transmitted to the motor whenever the con tact loop 29 impinges upon a projecion 31., the circuit through, the motor being completed through a ground connection 33. The actuating projection 31 is of such form that the contact will be maintained long enough for the motor to operate one step,

with a gear 20 meshing with 7 gear 22 on the shaft of an electric I that is, move the display belt the distance between the successive names of stations thereon.

It may be necessary, in an emergency, to reverse the run before the car completes its trip. To meet this condition I provide the following described mechanism. Upon the motor is secured a contact member 34 connected by a wire 35 with the intake terminal of the motor, and upon the shifting bar 24 is secured a contact member 36 from'which a wire 37 leads along the car ceiling to a switch 38 located at the rear end of the car where it may be, conveniently reached by'th-e conductor. The switch is coupled into the lighting circuit of the car, as indicated at 39, one side of the coupling plug being grounded, as indicated at 40. To the upper end of the bar 24 is attached a cable4l which passes over suitable guide pulleys to the rear end of the car. The switch38 is normally open. When the belt is to be reversed, the conductor pulls upon the cable 41 to raise the shifter bar 24 and effect engagement between the contacts 36 and 34, the cable being secured in any convenient manner. The switch 38 is then closed, completing a circuit through the motor which will then run continuously until the desired adjustment of the belt or'display web is effected.

In Fig. 5, I have shown an operating mechanism which may be preferred on cars traveling over a loop or belt route. v In this arrangement, the motor 23 is used only when the display web is to be reversed. The lower gear 13 meshes with a gear 42 upon the shaft of which is loosely mounted a crank or lever 43 carrying a pen-dent pawl 44 at its free end which pawl is yieldably held in engage ment with the teeth of the gear by a spring 45. Below the lever 43 is an electromagnet 46, one side of which is connected with the lead-in wire on the top of the car and the other side of which is grounded. The magnet is housed in a casing 47 and its armature 48 is carried on the lower end of a plunger 49 which is mounted to reciprocate vertically pansion spring through the top of the housing and is pivotally hung upon the lever 43. An abutment 50 is provided upon the plunger and an ex- 51; is coiled around the plunger between the abutment and the top of the housing 47 On the shifting bar 24, adjacent the lower end thereof, is a lifting 7 lug 52,".andadjacent said bar and lug is mounted an angle lever having a lateral arm 53 which projects over the lug and an upstanding arm 54 which is connected by a link '55. When the magnet 46 is energized, the

armature 48 is attracted and the lever 43 swung downward, the pawl 44 turning the gear 42 through one step and the spring 51 being compressed. WVhen the magnet is deenergized, the spring at once expands and returns the parts to initial position, the pawl riding freely over the gear. When the end of the run is reached, the bar 24 is lifted through the impact of the stop 27 upon the bar 25, as in the first described form, thereby bringing the lug 52 against the lever arm 53 "1 to rock the lever and cause the link 55 to push the pawl 44 from the gear 42. The motor 23 is then cut into the light circuit and operated as before described to rewind the display web, the bar 24 being lowered. automatically when the web is fully rewound.

Having thus described the invention, I.

claim; I

A station indicator comprising a web having names of stations displayed thereon, an electric motor, means at the stations for closing the circuit through said motor, a contact mounted-upon the casing of the motor, trains of gearing connected with the opposite ends of the web and including a gear common, to both trains and shiftable between the trains, a shifting bar connected with said gear, a circuit closing member on said bar, levers connected with said bar, and tappets upon the. web adapted to actuate the respective levers.-

In testimony whereof I affix my signature.

DAVIDK. BARNES. [n 5.

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