US1140165A - Signaling device for elevators. - Google Patents

Description

H. L. KILBOURNE.

SIGNALING DEVICE FOR ELEVATORS.

APPLICATION FILED JULY 2. 1912. Patented May18,'1915.

4 SHEETS-SHEET l- IOHIOG THE NORRIS PETERS c0. PHOTO-LITHO.. wAsH/NGMN, z) c.

H. L. KILBOURNE.

SIGNALING DEVICE FOR ELEVATORS.

APPLICATION FILED JULY 2. 1912.

1,140,1 65. Patented May 18, 1915.

4 SHEETSSHEET 2.

qx btweooco THE NoRRls PETERS 60., PHOTO-LlTHO-. WASHING TON, D. I:

H. L. KILBOURNE.

SIGNALING DEVICE FOR ELEVATORS.

APPLICATION'FILED JULY 2. 1912.

1,140,165. Pdtent-ed May 18, 1915.

' 4 SHEETS-SHEET a.

l avwewtoz hourne THE NORRIS PETERS co. PHOT0-LITHO. WASHINGTON. D. 4

H. L. KILBOURNE.

SIGNALING DEVICE FOR ELEVATORS.

APPLICATION FILED JULY 2. 1912.

Patented May 18,1915.

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THE NORRIS PETERS CO4,

UNITED STATES PATENT OFFICE HERBERT L. KILBOURNE, OF MEMPHIS, TENNESSEE.

SIGNALING DEVICE FOR ELEVATORS.

Application filed July 2, 1912.

To all whom it may concern:

Be it known that I, HERBERT L. KIL- BOURNE, a citizen of the United States, residing at Memphis, in the county of Shelby and State of Tennessee, have invented certain new and useful Improvements in Signaling Devices for Elevators; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to new and useful improvements in signaling devices for elevators- The object of my invention is to provide signaling mechanism whereby a prospective passenger may signal to an elevator traveling in the direction in which he desires to go.

A further object of my invention is to provide means whereby the signaling mechanism, after being set by the prospective passenger, will be automatically returned to normal position by the elevator receiving the signal.

My invention may be installed upon one or more elevators and, when used upon a plurality of elevators, the operator in one elevator may transfer the signal to one of the other elevators traveling in the same direction.

Other objects and advantages will be hereinafter made clearly apparent in the specifications and pointed out in the claims.

In the accompanying drawings I have shown the preferred form of 'my invention.

In said drawings, Figure 1 is an elevation showing the signal controlling device employed by me. Fig. 2 is a side elevation thereof, Fig. 3 is a vertical sectional view through parts of the traveling contactor, taken on the line 33 of Fig. 4, Fig. 4: is a transverse sectional view therethrough, taken on the line 44 of Fig. 3. Fig. 5 is a horizontal sectional view through electromagnetical set and mechanical reset switches employed in the signal controller. Fig. 6 is a vertical sectional view through one end of the casing of said switch showing parts of the operating mechanism, turned at 90 degrees to that shown in Fig. 5. Fig. 7 is a like vertical sectional view therethrough, showing part of the switch mechanism, as

Specification of Letters Patent.

Patented May 18, 1915.

Serial No. 707,236.

taken on the line 77 of Fig. 5, and, Fig. 8 is a diagrammatic view, showing the circuit arrangements of the diiferent parts of my invention.

In the specifications the drawings are referred to by characters of reference, the same characters referring to corresponding parts throughout the several views.

In embodying my invention in practice, I provide a framework 9 for the controller on my device, the supporting frame for which is preferably formed of angle-iron and is adapted to support a panel 10, which is formed of any preferred insulating material.

In the drawings I have shown the controller provided with controlling devices for two elevators and in the following specifications I have described the invention be ing used with two elevators, although I desire it to be understood that the same may be arranged to be used with any desired number.

Secured to the panel is a central track- Way 11 and side trackways 12, which are adapted to guide the movable contactors 13 and 11. Said contactors are adapted to be moved over said trackways by means of chains 15 and 16, respectively, which are geared to the driving shaft of the respective elevator motors, suitable reducing gears 17 and 18, respectively, being interposed so that the contactors will move from end to end of the trackways in synchronism with their elevators.

Pivotally mounted in standards 19, arranged at the upper end of the casing of the contactors 13 and 14, is a brush holder 20. The brush holder 20 is preferably formed of insulating material and has ways therein to receive brushes 21, 22 and 23 which extend through an opening 24 in the rear side of the contactor casing and are adapted to engage stationary contacts hereinafter more clearly described. 1

An arm 25 is rigidly secured to the brus holder and extends downwardly therefrom and carries a movable contact 26 at its lower end, which is adapted to alternately engage stationary contacts 27 and 28 arranged in the lower end of the casing. Electromagnets 29 and 30 are secured in the casings of the movable contactors and each of said magnets is provided with an armature 31 at its lower ends, which are pivoted in standards formed integrally with or secured to the casing. Each of said magnets is also provided with an armature 33, which is pivotally secured to the casing adjacent the upper end of said magnet.

A spring 3-1 is secured to each of the armatures and is adapted to normally hold said armatures out of engagement with the pole pieces of their magnets. The armature 31 has an upwardly extending portion 35, to which is bolted or otherwise secured an arm 36, which is preferably formed of nOnmagnetic material. Each of the arms 36 has a roller 37 journaled in brackets 38 formed near its upper end and said rollers are adapted to extend. through openings 39 formed in the forward side of the casing of the movable contactors when the electromagnet is energized, for a purpose hereinafter made clearly apparent.

The brush 21 of the movable contactor 13 is adapted to engage stationary contacts &0, l1, 4:2 and 43 arranged in series upon the panel 10 and the brush 23 of said movable contactor is adapted to engage stationary contacts 4: 15, 416 and 47 arranged in series upon said panel and parallel to the contacts 10 to 43, inclusive. The middle brush 22 of said contactor is adapted to engage a single contact 13 arranged between said sets of contacts and extending from end to end thereof. In like manner the brushes 21, 22 and 23 of the movable contactor 14 engage series of contacts 10 1 412, 13 .1 1, 15, 416 and 17 and a single contact 18, respectively.

As shown in the drawings my system is applied to use upon two elevators, which are designed to travel between the floors of a building having five floors.

In the system as described, I mount three switch boxes 4-9, 50 and 51 upon the panel 10, the box -19 being arranged opposite the adjacent ends of the contacts -10, 11, d0, 1 1 and 4:1, 4:5, 11" and the boxes and 51 being arranged opposite the adjacent ends of the other sets of contacts, as indicated in Fig. 1. Each of said boxes has journaled in the side walls, thereof shafts 52 and 53. Said shafts are also journaled in a central partition 54c in said box and are extended beyond one side of said boxes and journaled in the trackways 11 and 12. The shaft 52 has a latch rigidly secured thereto, which is to be normally engaged by the lug 55 formed upon one side of armature 56, said armature being normally held away from its operating magnet 57 by means of a spring 58, as clearly indicated in Fig. 6. A spring 59 has one end secured to the shaft and its opposite end to one side of the casing and tends to turn said shaft so that the latch 54 will occupy the position shown in full lines in Fig. 6, said latch when in inoperative position being turned to the position indicated in dotted lines in a manner hereinafter clearly set forth. The shaft is likewise provided with a latch 59, which is adapted to be engaged by the lug 60 of the armature 61, which is normally held in off position by means of the spring (52 The armature (31 is adapted to be operated by the electromagnet 62, a pair of electro- magnets 57 and 62 being rigidly secured in each of the boxes 19, 50 and 51. The shaft also has rigidly secured thereto an arm (33 and said arm has a pin 61 extending laterally thereof, to which is secured one end of a coil spring 65, the other end of said coil spring being connected to a laterally extending pin 66 secured to an arm (37. The arm 67 is rigidly secured to a shaft 68 journaled in the partition 5 1 The opposite end of said shaft has rigidly secured thereto an arm (39, which carries at its end the contact blade 70, which is adapted in one position of the arm (59 to engage stationary contacts 71 secured to a portion of the box.

The shaft has an arm 72 secured there to which is similar to the arm (33 and said arm 72 is connected to a switch arm 73 in a manner similar to the connection between the switch arm (33 and the arm 72. The switch 73 is adapted in one position to complete the circuit between the stationary contacts 7 1. The switch arms (33 and 72 are adapted to be rocked by the shafts 52 and 53 respectively so that their ends will move past the pivotal point of the switch arms 69 and 73, respectively, and the springs connecting said arms and switch arms will cause the switch arms to quickly make and break the circuit between the stationary contacts 71 and M, respectively.

Each of the shafts 52 of the switch boxes 4:9, 50 and 51 has an arm 75 secured thereto. which in its normal position. occupies the position shown by dotted lines in 3 and, when released, the position shown by full lines. Each of the shafts 53 likewise carries an arm 76, the normal and released positions of said arm being shown by dotted and full lines, respectively. When the arms 75 and 76 are in the positions shown by full lines, they are in the path of the rollers 37 when said rollers are in their tended position.

In Fig. 8, I have shown diagrammatically the employment of my invention. in connection with two elevators, which are adapted to travel between five floors in a building. The elevator A and its movable contactor 13 are adapted to control a set of lights a, one light being arranged upon the first and fifth floors above the hatchway door and two lights upon each of the intermediate floors, while the elevator B and its contactor 1 1 are adapted to control a set of lamps b, similarly arranged above the hatchway doors of the B elevator.

The operation of the different parts of my invention will now be described:

We will assume that the elevators are operated from end to end of their shafts and that a party upon the fourth floor desires to descend. As indicated diagrammatically in Fig. 8, the second,third and fourth floors are provided with two-way switches 77, said switches being thrown to their up position when the person desires to give a signal indicating his desire to go to a higher floor and being thrown to lower position when the party desires to descend. The party upon the fourth floor throws the switch 77 011 that floor to its lower position to indicate that he desires to descend, thus completing a circuit from the positive side of the circuit by conductor 78, through the magnet 62 in switch box 6 .9, by conductor 79 through switch 77 and by conductor 30 to the negative side of the line. The magnet 62 upon the fourth floor will therefore be energized and will attract its armature 61, thus disengaging the lug from the latch 59 and permitting the spring 59 of the shaft 53 to throw said latch in the position indicated by dotted lines in Fig. 6. The arm 76 upon the shaft 53 will also be turned into the position indicated by full lines in Fig. 3. It will also be understood that this movement of the shaft 53 will move the arm 72 into position indicated in full lines in Fig. 7 and the movement of said arm will cause the switch 73 to close the stationary contact 74:. The closing of the contact 74 will complete the circuit from the positive side of the line to the contacts 44 and 44* by conductor 81, across contact 7 4; by conductor 82 to the lamp, to and through the down lamps of the series a and Z) and by conductors S3 and 84 to the stationary contacts 44 and H. The lamp circuit will remain open at this point until closed by the sliding contactor operatively connected to one of the elevators. vator A is operated so as to travel to its upper limit of travel and it will be understood that when the said car starts upwardly, that the sliding contactor 13 will also start upwardly and the movable contact 26 bearing upon the stationary contact 28 will close the circuit above set forth. There is a connection from the negative side of the line by conductor 85, through the light 86 in the elevator A, switch 87, conductor 88 to the stationary contact L8, where the circuit will be open. Continuing the operation as heretofore outlined the elevator will move to its upper limit of travel without receiving a signal. The brush 23 is connected to the stationary contact 27 the coil of the magnet 30 being interposed between said brush and the stationary contact, while the coil 29 We will presume that the eleis interposed between the brush 21 and the stationary contact 28. The movable contact 26 is connected to the brush 22.

As the direction of travel of the elevator is reversed after reaching the fifth floor, the brushes 21, 22 and 23 through their frictional bearing upon their stationary contacts will cause the brush holder 25 to rock on its pivots and to throw the movable contact 26 into engagement with stationary contact 27, thus completing the circuit from the positive side of the line by the conductor 81, across contact 74, conductor 82, fourth floor, down lamp of the series a, conductor 83, stationary contact 44, brush 23, magnet 30, stationary contact 27, movable contact 26, brush 22, stationary contact 48, conductor 88, switch 87, (A) elevator lamp 86, conductor 85 to the negative side of the line. The lower or down lamp of the A series of lamps located above the hatchway door on the fourth floor of the A elevator will be lighted and it will also be seen that the light 86 in the A elevator will be lighted, thus giving a signal to the operator that the elevator should be stopped at the neXt lower floor. The completion of the circuit through the magnet 30 will cause said magnet to move the armature 31 and rock the arm 36 outward and, when released, the armature 33, overcomes the tension of the spring 34 and drops down in the path of the end of the arm 36, thus locking the roller 37 in its outward position in the path of the arm 76. When the elevator reaches the fourth floor, the roller 37 is adapted to engage the arm 76 and to move said arm against the tension of said spring 59 to its normal position, thus causing the switch 73 to break the circuit between the contact 74 so that the lamp circuit will be broken. The latch 59 will also be engaged bythe lug 60 and held in such position until another signal is given. The breaking of the circuit by the contact 74 will also open the circuit in the magnet 30 and the armature 33 will immediately be returned to initial position by the spring 34 and the armature 31 and its arm 36 will also assume their initial positions, as indicated in Fig. 3, and move the roller out of the.

path of the arm 76. Should both elevators have reached the fifth floor at the same time and it be desired that the A elevator travel to the lower limit of its shaft without receiving the signal at the fourth floor, it would only be necessary for the operator to open the switch 87 in his elevator and to operate his car past said floor. The B elevator when descending would receive the signal through its down lamp and through the lamp in the manner hereinafter described the circuit being as hereinbefore traced to the down lamp in the 6 set of lamps, by the conductor 84 and the stationary contact 44, by the brush 23, magnet 30,

stationary contact 27, movable contact 26, brush 22 (in the movable contactor 14E), stationary contact 48, through the switch and lamp in elevator B and by conductor 85 to the negative side of the line.

The lamps upon the first and fifth floors are connected to the stationary contacts l8l3"- and et04:0 and to the positive side of the line so that when the elevators are traveling downward from the second to the first floors and upward from the fourth to the fifth floors, the lights will be lighted. Upon the reversal of the direction of travel of the elevators, the circuit of said lamps will be broken as the movable contact 26 will be reversed, as hereinbefore described.

Again, we will assume that a party upon the fourth floor desires to ascend, therefore he throws the switch 77 on that floor to its upper position, thus completing a circuit from the positive side of the line by con- (luctor 78, through the magnet 57 in the switch box 1-9, conductor 90, switch 77, conductor S0 to the negative side of the line. The magnet 57 in the box a9 will thus be energized and will attract its armature 56, thus disengaging the lug from the latch 54: and permitting the spring 59 of the shaft 52 to throw said latch to the position indicated in full lines in Fig. 6. The arm will also be turned to the position indicated in full lines in Fig. 3. It will be understood that this movement of the shaft 52 will move the arm G3 so as to cause the switch (39 to close the stationary contact 70. The closure of the contact 70 will complete a circuit from the positive side of the line to the contacts 10 and elO through the con (luctor 81, contact 70, conductor 91, up lamps of the lth floor of the series a and b, and conductor 92 and 93 to the stationary contacts +20 and a0". We will presume that the elevator A travels upwardly carrying the sliding contactor 13 with it, and rocking the brush holder 20 and arm 25 so as to electrically connect the brush 21 and magnet 29 with the stationary contact 28 and brush 22. As the sliding contactor 13 ascends and the brush 21 engages the stationary contact 40 a circuit is completed from the positive side of the line by conductor 81, contact 70, conductor 91, fourth floor, up lamp of the a series, conductor 92, stationary contact 10, brush 21, magnet 29, stationary contact 28, movable contact 26, brush 2'2, stationary contact 1S, conductor 88, switch S7, elevator lamp 8G, conductor to the negative side of the line. The light in the elevator A will then be lighted as it approaches the fourth floor, signaling to the operator that his elevator should be stopped at the next floor. The completion of the circuit through the magnet 29 will cause the latter to attract the armature 33. Thus the roller 37 will be moved into the path of arm 75, and in passing will rock said arm, together with the shaft 52 and switch 69, so as to break the circuit at the contact 70 and permit the mechanism to assume its normal position, as before described.

The operation of the signals from the different floors will be the same as that described for the fourth floor.

lVhat I claim as new is:

1. An electric signaling device for elevators comprising; a plurality of floor signals, a positive and a negative side circuit connected to said fioor signals, to signal up or down upon a floor of a building, a plurality of car signals, a circuit connected to said car signals to signal in synchronism with the first mentioned circuit within the car of an elevator, a plurality of switch boxes to close either the positive or the negative side of said first mentioned circuit, each box registering with a signal upon a floor, and means in said circuitto close said first circuit in synehronism with said second mentioned circuit, and to actuate said switchboxes, said means consisting of a movable casing, pivoted brush contacts mounted in said casing, a movable contact attached to said brush contacts to close the positive or the negative side of said second mentioned circuit, and a plurality of means mounted in said casing to project through said casing and actuated alternately from the positive side or from the negative side of said second mentioned circuit to actuate said switchboxes to close the positive side or the negative side of the first mentioned circuit in synchronism with the second mentioned circuit.

2. An electric signaling device for elevators comprising; a plurality of floor signals, a floor signaling circuit connected to said floor signals, a plurality of elevator signals, an elevator signaling circuit connected to said elevator signals, each of said circuits having a positive and a negative side, movable means in said second mentioned circuit to close either the positive or negative side, and means within said first mentioned circuit and actuated by said first mentioned means to close the positive or negative side of said first mentioned circuit in synchronism with the side of said second mentioned circuit, said last mentioned means consisting of a two-chambered switchbox, a magnetic actuated contact means in one chamber to close the positive side of said first mentioned circuit, a magnetic actuated contact means in said second chamber to close the negative side of said first mentioned circuit,means actuated by said afore mentioned movable means to actuate said first mentioned contact means to close the positive site and means actuated by the afore mentioned movable means to actuate said second mentioned contact means to close the negative side of said first mentioned circuit.

3. An electric signaling device for elevators comprising; a plurality of signals, two circuits connected to said signals each having a positive and a negative side, one to signal from a floor of a building and the other to signal from the car of an elevator, movable means in said second circuit to close either side, and means in said first circuit actuated by said movable means to close either side of the first circuit in synchronism with the side of the second circuit consisting of a partitioned switchbox, contact means in one side of said partition to close the positive side of the first circuit, operating means thereto, means to actuate said operating means, and like devices on the opposite side of the partition to close the negative side of the first circuit.

In testimony whereof I have signed my name to this specification in the presence of tWo subscribing Witnesses.

HERBERT L. KILBOURNE.

Witnesses:

R. S. POLK, F. B. SWIFT.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner 01' Patents, Washington, I). C.

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