US2305656A - Signal device - Google Patents

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US2305656A
US2305656A US348863A US34886340A US2305656A US 2305656 A US2305656 A US 2305656A US 348863 A US348863 A US 348863A US 34886340 A US34886340 A US 34886340A US 2305656 A US2305656 A US 2305656A
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signal
tube
automobile
mentioned support
tray
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US348863A
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Harry T Yopp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2657Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on a shaft, e.g. telescopic

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  • the present invention relates to signaling devices and more specifically has reference to signaling devices that can be secured to serving trays that are attached to automobiles or the like parked in drive-in sandwich establishments.
  • signaling devices that can be secured to serving trays that are attached to automobiles or the like parked in drive-in sandwich establishments.
  • my invention is not thus limited as it can be readily employed for attachment to tables or the like in restaurants.
  • An object of this invention is to overcome the above and other undesirable defects and to provide an inexpensive signal device that is highly eflicient.
  • Another object of the present invention is to provide an electric signaling device for attachment to serving trays that can be easily actuated by the person in the automobile and which in its operative position will project a substantial distance above the top of the automobile, thereby affording a signal which can be readily seen.
  • Yet another object of my invention is to provide a signaling device for attachment to serving trays which consists of few working parts and which is simple in construction and operation.
  • a further object of the present invention is to provide a signaling device of the character described which is clearly visible in both the day and night to the waiters.
  • the invention comprises mounting an electric signal device on a movable support member which in turn is removably affixed to a serving tray.
  • the signal device in its inoperative position is not visible above the top of the automobile.
  • suitable means is provided adjacent the tray to permit the customer to actuate the device so that the electric signal can be moved to a position above the top of the vehicle from which is can be readily seen by the waiter.
  • the waiter arrives at the car, he merely moves the supporting member to its inoperative position in which position it is held by a suitable locking device. The signal and its support are then removed from the tray and the tray is then released from the car door.
  • Figure 1 is a view in side elevation showing one form of my signaling device positioned on a serving tray attached to the door of an automobile.
  • Figure 2 is an enlarged view similar to Figure l, partly in section, showing the parts in the inoperative position.
  • Figure 3 is a view in side elevation showing the mode of attachment of the device to the tray and the latch that is employed to hold the signal in its inoperative position.
  • Figure 4 is a view in side elevation of yet another form of my signaling device.
  • Figure 5 is an enlarged view in transverse section of the construction shown in Figure 4.
  • Figure 6 is an end view of this form of device.
  • Figure '7 is a view in side elevation of a still further form of my invention.
  • Figure 8 is an enlarged view in transverse sec tion of the signal shown in Figure 7 illustrating the parts in the inoperative position.
  • Figure 9 is an enlarged view in transverse section showing the parts for moving the signal to its operative position.
  • my novel signal device indicated generally I is shown attached to a serving tray 2 which in turn is secured to the door of a motor vehicle 3.
  • the device I comprises a vertical tubular rod 4 which is fitted at it lower end into a collar 5.
  • the collar 5 is attached to an L-shaped bracket 6 by strap I and the collar is slotted near its upper end as indicated at 8.
  • a pin is mounted in the slot 8 and is adapted to contact the upper strap I to prevent the collar from becoming disengaged from the bracket 6.
  • Threaded onto the upper end of the tube 4 is a T-shaped fitting II) in which is journaled a rod I I.
  • a helical spring I2 surrounds the rod II and one end thereof, attached to the rod I I, bears against the end of the fitting II], while the other end is anchored in the fitting I0.
  • Threaded onto the free end of the rod I I is an arm I3 into which is screwed a second tube member I4.
  • Attached to the lower end of the tube I4 is a signal indicated generally l5. It can be seen that the signal l5 comprises a streamlined casing l 3 carrying at one end thereof a removable transparent or translucent globe member ll.
  • a bulb l8 having reflector i9 is positioned in the casing so that it will be adjacent to the globe H.
  • a battery 28 is mounted in the casing and a mercury switch 2! supported by spring clips 22 is suitably connected to the battery to control the operation of the signal.
  • FIG. 4 to 6, inclusive I have shown another form of my signal device.
  • This embodiment comprises a vertical tube member which carries a bracket 3! at its lower nd for attach ing the member to a serving tray.
  • the upper end of the tube is bent at right angles as shown at 32 and a bearing 33 is positioned therein.
  • a second tube 3d which is spaced in parallel relationship with respect to the tube 3&3 is mounted for pivotal movement on the tube 39.
  • a pin 35 is suitably journaled in the bearing 33.
  • Threaded into the lower end of the tube 34 is a casing 36 that supports a plastic globe El, and a bulb 38 extends into the globe 3! and is provided with a reflector 39.
  • Supported within the casing 36 and adapted to control the flow of electrical energy to the bulb 3B is a mercury switch 33.
  • a second casing t? in which are mounted batteries 2.
  • the casing has a threaded closure cap 43 and a coil spring is disposed between the closure and one of the batteries d2.
  • An insulated lead wire d5 xtends from the battery 42 through the hollow tube 34 to one of the terminals of the switch 40.
  • a second lead 46 runs from the other terminal of the switch to the bulb 38.
  • a tube member 6% carries a bracket 6i adjacent its lower end for attaching the tube to a serving tray.
  • a second tube 62 of lesser diameter than the tube til is mounted for vertical movement therein.
  • Piston rings 63 are provided on the tube 62 and a helical spring 6 3 surrounds the tube and the free ends thereof bear against the pistons 63.
  • a closure cap 65 is threaded onto the upper end of the tube and a strap St bridges the lower end.
  • the piston rings in addition to serving as a stop or limit for the helical spring also will retard the movement of the tube 52 by virtue of the air which is compressed upon reciprocation of the tube.
  • a casing Bl in which is disposed a pair of batteries 63.
  • a bulb 69 having a reflector it is positioned immediately above the batteries 68 and insulation H is provided between the batteries and the bulb.
  • Threaded onto the open end of the casing 67 is a globe 12.
  • An insulated conductor '53 extends through the hollow tube 62 from the power battery and is attached to a spring contact 14 mounted on an insulator 715 secured at it to the lower end of the tube 62.
  • a spring member 1'! which is formed with a finger piece 78 at its lower end, that extends through a slot ls formed in the tube 6!] in the inoperative position.
  • a signal device adapted to be used with a serving tray attached to the door of an automobile, a support removably aifixed at its lower end to the tray, a second support pivoted to the free end of the first mentioned support, a visible signal device carried by the second mentioned support, a latch to hold said second mentioned support in its inoperative position, and spring means to move said second mentioned support about its pivot when the latch is released thereby permitting the signal to project above the top of the automobile.
  • a signal device adapted to be used with a serving tray attached to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support member pivoted to the free end of the first mentioned support, a signal device carried by the second mentioned support at the end opposite to its point of pivoting, an extension provided on said second mentioned support adjacent to the signal device, a latch pivoted to the first mentioned support, said latch and extension cooperating to hold said second mentioned support in the inoperative position, and spring means adapted to rotate said second mentioned support about its pivot and project the signal above the top of the automobile when the latch is released from the extension.
  • a signal device adapted to be attached to a serving tray secured to the door of an automobile, a support removably secured at its lower end to the tray, a second support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counter-weight carried by the opposite end of said second mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released.
  • a support removably secured at its lower end to the tray, a second support pivotally mounted to the free end of the first mentioned support, a casing carried by the second mentioned support, a latch to hold said second mentioned support in its inoperative position, a signal lamp within the casing, a circuit for the lamp, the circuit being open when the second mentioned support is in its inoperative position, and means to move the second mentioned support about its pivot when the latch is released thereby projecting the second mentioned support to a position above the top of the automobile and at the same time closing the circuit and illuminating the signal lamp.
  • a signal device adapted to be attached to a serving tray secured to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counterweight carried by the opposite end of said sec ond mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released.
  • a signal device adapted to be attached to a serving tray secured to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counterweight carried by the opposite end of said second mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, a signal lamp within the signal unit, a circuit for the lamp, said circuit being open when the second mentioned support is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released and close the circuit thereby illuminating the signal lamp.
  • a signal device adapted to be used with a serving tray attached to the door of an automobile, a support removably afiixed at its lower end to the tray, a second support pivoted to the free end of the first named support, a signal unit carried by said second named support, latch means adapted to hold the signal unit in a position whereby the signal is not visible above the top of the automobile, a signal. lamp within the unit, a circuit for the lamp which is open when the second named support is not visible above the top of the automobile, and spring means to move said second mentioned support about its pivot when the latch is released, thereby projecting the signal unit above the top of the automobile and closing the circuit to illuminate the lamp.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Description

Dec. 22, 1942. bpp
SIGNAL DEVICE Filed July :51, 1940 s Sheets-Sheet 1 war/y 7: yopp 3 Sheets-Shet 2 I I 3mm nn v Dec. .22, 1942.
H. T. YoPP SIGNAL DEVICE Filed July 31, 1940 Dec. 22, 1942. 1-, opp
SIGNALDEYIC-E Filed July 31, 1940 3 Sheets-Sheet 3 1 IIOIIIIIII vlll /Jll: l4 0 Illla 7/11/ 714 VIII/rillIIIIIIr/lllll/Illl/ll/d "II/ll v lllllllllllll c Y PP Patented Dec. 22, 1942 UNITED' STATES EPATENT OFFICE 7 Claims.
The present invention relates to signaling devices and more specifically has reference to signaling devices that can be secured to serving trays that are attached to automobiles or the like parked in drive-in sandwich establishments. Of course, it is to be understood that my invention is not thus limited as it can be readily employed for attachment to tables or the like in restaurants.
At the present time in the majority of drivein sandwich shops, etc., its is customary when one is ready to leave to flash the headlights of the automobile or blow the horn to call the waiter to remove the tray and collect the bill. This practice is not desirable in the majority of residential areas since the residents have protested against the use of horns and lights on the grounds that they are a nuisance. Moreover, under this present practice, it is especially difficult at night for the waiter to know just what car to approach when the lights or horn is used, and as a consequence, during rush hours the service is extremely poor.
An object of this invention is to overcome the above and other undesirable defects and to provide an inexpensive signal device that is highly eflicient.
Another object of the present invention is to provide an electric signaling device for attachment to serving trays that can be easily actuated by the person in the automobile and which in its operative position will project a substantial distance above the top of the automobile, thereby affording a signal which can be readily seen.
Yet another object of my invention is to provide a signaling device for attachment to serving trays which consists of few working parts and which is simple in construction and operation.
A further object of the present invention is to provide a signaling device of the character described which is clearly visible in both the day and night to the waiters.
To accomplish the above and other objects, the invention comprises mounting an electric signal device on a movable support member which in turn is removably affixed to a serving tray. The signal device in its inoperative position is not visible above the top of the automobile. However, suitable means is provided adjacent the tray to permit the customer to actuate the device so that the electric signal can be moved to a position above the top of the vehicle from which is can be readily seen by the waiter. When the waiter arrives at the car, he merely moves the supporting member to its inoperative position in which position it is held by a suitable locking device. The signal and its support are then removed from the tray and the tray is then released from the car door.
In the following description, I have shown and described three specific embodiments for carry-. ing out my invention, and it will be readily appreciated that other modifications of the inventive concept can be employed without departing from the spirit and scope of my teachings.
In the drawings in which like numerals indicate the same or similar parts:
Figure 1 is a view in side elevation showing one form of my signaling device positioned on a serving tray attached to the door of an automobile.
Figure 2 is an enlarged view similar to Figure l, partly in section, showing the parts in the inoperative position. I
Figure 3 is a view in side elevation showing the mode of attachment of the device to the tray and the latch that is employed to hold the signal in its inoperative position.
Figure 4 is a view in side elevation of yet another form of my signaling device.
Figure 5 is an enlarged view in transverse section of the construction shown in Figure 4.
Figure 6 is an end view of this form of device.
Figure '7 is a view in side elevation of a still further form of my invention.
Figure 8 is an enlarged view in transverse sec tion of the signal shown in Figure 7 illustrating the parts in the inoperative position.
Figure 9 is an enlarged view in transverse section showing the parts for moving the signal to its operative position.
Referring to Figure 1, my novel signal device indicated generally I is shown attached to a serving tray 2 which in turn is secured to the door of a motor vehicle 3. The device I comprises a vertical tubular rod 4 which is fitted at it lower end into a collar 5. The collar 5 is attached to an L-shaped bracket 6 by strap I and the collar is slotted near its upper end as indicated at 8. A pin is mounted in the slot 8 and is adapted to contact the upper strap I to prevent the collar from becoming disengaged from the bracket 6.
Threaded onto the upper end of the tube 4 is a T-shaped fitting II) in which is journaled a rod I I. A helical spring I2 surrounds the rod II and one end thereof, attached to the rod I I, bears against the end of the fitting II], while the other end is anchored in the fitting I0. Threaded onto the free end of the rod I I is an arm I3 into which is screwed a second tube member I4. Attached to the lower end of the tube I4 is a signal indicated generally l5. It can be seen that the signal l5 comprises a streamlined casing l 3 carrying at one end thereof a removable transparent or translucent globe member ll. A bulb l8 having reflector i9 is positioned in the casing so that it will be adjacent to the globe H. A battery 28 is mounted in the casing and a mercury switch 2! supported by spring clips 22 is suitably connected to the battery to control the operation of the signal.
To hold the signal in its inoperative position, it will be noted in Figure 3 that a collar 23 provided with a lateral extension 26 is mounted on the,
tube H5 at a point near the lower end thereof. Carried by the tube t and adapted to cooperate with the extension 24 is a latch 25 which is pivotally mounted at 26 to the tube 4. The inner end of the latch 25 is downturned shown at 21 and is bifurcated as indicated at 28. When the latch is in the position shown in Figure 2 (the inoperative position) the bifurcation 28 fits over the extension 24 and holds the arm i l and the signal S5 in the down position. At this time, it should be pointed out that when the arm 54 is in the position shown in Figure 2 tension i placed on the spring l2. As a consequence, when the latch 25 is rearwardly moved about its pivot, the bifurcation 28 will free the extension 2 and the arm M will be moved about its point of pivoting to the rod it by the spring l2 and the arm will rotate 180 so that the signal 55 will be extended to a position above the top of the automobile, as indicated in Figure 1. When the arm i i is in its up position, the mercury switch makes contact and the bulb la is illuminated and the signal will be clearly Visible.
When the waiter arrives at the car he merely swings the pivot arm M back to its inoperative position and pivots the latch to fit over the extension 244. The signal in its entirety is then removed from the tray 2 and th tray in turn is re leased from the door of the car.
It will be readily appreciated that this construction is quite simple and can he very easily and cheaply manufactured. The device can be simply operated by the customer and it will give a clearly visible signal to the waiter. Th device is very sturdy in construction, and with the exception of the replacement of the batteries and bulbs requires litttle upkeep.
In Figures 4 to 6, inclusive, I have shown another form of my signal device. This embodiment comprises a vertical tube member which carries a bracket 3! at its lower nd for attach ing the member to a serving tray. The upper end of the tube is bent at right angles as shown at 32 and a bearing 33 is positioned therein. A second tube 3d which is spaced in parallel relationship with respect to the tube 3&3 is mounted for pivotal movement on the tube 39. A pin 35 is suitably journaled in the bearing 33. Threaded into the lower end of the tube 34 is a casing 36 that supports a plastic globe El, and a bulb 38 extends into the globe 3! and is provided with a reflector 39. Supported within the casing 36 and adapted to control the flow of electrical energy to the bulb 3B is a mercury switch 33.
Removably attached to the upper end of the tube 3 is a second casing t? in which are mounted batteries 2. The casing has a threaded closure cap 43 and a coil spring is disposed between the closure and one of the batteries d2. An insulated lead wire d5 xtends from the battery 42 through the hollow tube 34 to one of the terminals of the switch 40. A second lead 46 runs from the other terminal of the switch to the bulb 38.
It will be noted that that end of the rod 34 which carries the casing 45 and the batteries 42 is considerably heavier than the opposite end of the rod. As a consequence, the casing ll will tend to rotate the rod and maintain the globe 3? in the raised position. In order to provide means to lock the signal in the position shown in Figure 5 (the inoperative position) it will be seen that there is mounted on the tube 30 a sliding collar 4'5. The tube is slotted as shown at 3 and an operating pin 49 is anchored to the collar 4? and projects within the slot Q3, and the length of the slot limits the amount of movement of the sliding collar. The collar is also provided with a bifurcated member 58 that is adapted to engage an extension 5! mounted in the casing 36. When the signal is not in use, the parts are in the position shown in Figure 5, and by moving the slide upwardly the bifurcated member will be moved out of engagement with the extension 55, thus permitting the heavier end 45 to revolve through 1&1, thus moving the globe 3'5 to a position above the top of the automobile and at the same time, the mercury switch 40 will make contact and the bulbSB Will be lighted.
The device illustrated in Figures '2' to 9, inclusive, operates on a somewhat different principle from that disclosed in connection with the first two forms. As clearly shown in Figures '7 and '8, a tube member 6%] carries a bracket 6i adjacent its lower end for attaching the tube to a serving tray. A second tube 62 of lesser diameter than the tube til is mounted for vertical movement therein. Piston rings 63 are provided on the tube 62 and a helical spring 6 3 surrounds the tube and the free ends thereof bear against the pistons 63. To prevent the piston heads from coming out of the tube 60, a closure cap 65 is threaded onto the upper end of the tube and a strap St bridges the lower end. The piston rings in addition to serving as a stop or limit for the helical spring also will retard the movement of the tube 52 by virtue of the air which is compressed upon reciprocation of the tube.
Attached to the upper end of the tube 62 is a casing Bl in which is disposed a pair of batteries 63. A bulb 69 having a reflector it is positioned immediately above the batteries 68 and insulation H is provided between the batteries and the bulb. Threaded onto the open end of the casing 67 is a globe 12. An insulated conductor '53 extends through the hollow tube 62 from the power battery and is attached to a spring contact 14 mounted on an insulator 715 secured at it to the lower end of the tube 62. Also fixed to the lower end of the tube 62 is a spring member 1'! which is formed with a finger piece 78 at its lower end, that extends through a slot ls formed in the tube 6!] in the inoperative position. It is believed obvious that when the finger piece 78 is moved to the position shown in Figure 9, the circuit will be automatically closed and the bulb 69 will become illuminated. Simultaneously, the spring 64 will be compressed and the tube 62 will be moved upwardly to its furthermost limit, thus projecting the globe E2 to a position above the top of the car. The signal can be moved to its inoperative position simply by xpanding the spring 84 and forcing the finger piece 78 out of the slot ?9. The bracket 6| can then be removed from the tray and the tray in turn disengaged from the automobile oor.
In locations where fioodlights or the like are used or in daylight, it is possible to use my invention without the employment oi. an electrically operated signal unit such as indicated by the numeral IS in Figures 1 to 3, inclusive. In lieu of this unit, a white or colored cylinder may be attached to the support rod. The unit otherwise is identical in construction and operation to those illustrated in Figures 1 to 8. I have found that this arrangement works very satisfactorily in well lighted areas, but in dark locations the cylinders may be covered with luminous or phosphorescent paint which will glow in the dark. Obviously this particular construction can be very easily and cheaply manufactured and will aiIord a very efiective signal device.
It is thought apparent from the above description that I have provided a signal device to be used in connection with a serving tray that is very simple in construction and operation and which will give a clearly visible signal to the waiter that service is desired. The device is very sturdy in construction and requires little or no upkeep. It will permit much faster service in drive-in sandwich stands and will necessitate the employment or fewer waiters to handle a given volume of business.
While I have shown and described the preferred embodiment of my invention, I wish it to be understood that I do not confine myself to the precise details of construction herein set forth by way of illustration as it is apparent that many changes and variations may be made therein by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the appended claims.
I claim:
1. In a signal device adapted to be used with a serving tray attached to the door of an automobile, a support removably aifixed at its lower end to the tray, a second support pivoted to the free end of the first mentioned support, a visible signal device carried by the second mentioned support, a latch to hold said second mentioned support in its inoperative position, and spring means to move said second mentioned support about its pivot when the latch is released thereby permitting the signal to project above the top of the automobile.
2. In a signal device adapted to be used with a serving tray attached to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support member pivoted to the free end of the first mentioned support, a signal device carried by the second mentioned support at the end opposite to its point of pivoting, an extension provided on said second mentioned support adjacent to the signal device, a latch pivoted to the first mentioned support, said latch and extension cooperating to hold said second mentioned support in the inoperative position, and spring means adapted to rotate said second mentioned support about its pivot and project the signal above the top of the automobile when the latch is released from the extension.
3. In a signal device adapted to be attached to a serving tray secured to the door of an automobile, a support removably secured at its lower end to the tray, a second support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counter-weight carried by the opposite end of said second mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released.
4. In a signal device adapted to be used with a serving tray attached to the door of an automobile, a support removably secured at its lower end to the tray, a second support pivotally mounted to the free end of the first mentioned support, a casing carried by the second mentioned support, a latch to hold said second mentioned support in its inoperative position, a signal lamp within the casing, a circuit for the lamp, the circuit being open when the second mentioned support is in its inoperative position, and means to move the second mentioned support about its pivot when the latch is released thereby projecting the second mentioned support to a position above the top of the automobile and at the same time closing the circuit and illuminating the signal lamp.
5. In a signal device adapted to be attached to a serving tray secured to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counterweight carried by the opposite end of said sec ond mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released.
6. In a signal device adapted to be attached to a serving tray secured to the door of an automobile, a vertical support removably secured at its lower end to the tray, a second vertical support pivoted to the free end of the first mentioned support, a signal unit carried at one end of said second mentioned support and a counterweight carried by the opposite end of said second mentioned support, latch means adapted to hold the second mentioned support in a position whereby the signal is not visible above the top of the automobile, a signal lamp within the signal unit, a circuit for the lamp, said circuit being open when the second mentioned support is not visible above the top of the automobile, said counter-weight being adapted to project the signal above the top of the automobile when the latch means is released and close the circuit thereby illuminating the signal lamp.
7. In a signal device adapted to be used with a serving tray attached to the door of an automobile, a support removably afiixed at its lower end to the tray, a second support pivoted to the free end of the first named support, a signal unit carried by said second named support, latch means adapted to hold the signal unit in a position whereby the signal is not visible above the top of the automobile, a signal. lamp within the unit, a circuit for the lamp which is open when the second named support is not visible above the top of the automobile, and spring means to move said second mentioned support about its pivot when the latch is released, thereby projecting the signal unit above the top of the automobile and closing the circuit to illuminate the lamp.
HARRY T. YOPP.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2463339A (en) * 1947-10-24 1949-03-01 Autocrat Inc Signaling device for drive-in theaters
US2496073A (en) * 1947-12-17 1950-01-31 Lynold L Claydon Shielded service signal for counters
US2580074A (en) * 1950-10-11 1951-12-25 Jorge M Cesar Electric-light service indicator
US2656815A (en) * 1951-06-25 1953-10-27 Michael J Downey Traffic signal
US3114129A (en) * 1961-03-13 1963-12-10 Adler Gilbert Entpr Corp Emergency signal devices for automobiles, trucks and the like
US5489887A (en) * 1993-12-20 1996-02-06 Porras; Miguel A. Waiter signaling device
US20090149251A1 (en) * 2007-12-06 2009-06-11 Edwin Sanchez Casino service and display unit
US20130301284A1 (en) * 2010-12-23 2013-11-14 Volvo Construction Equipment Ab Device for fixing warning lamp of a construction machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2463339A (en) * 1947-10-24 1949-03-01 Autocrat Inc Signaling device for drive-in theaters
US2496073A (en) * 1947-12-17 1950-01-31 Lynold L Claydon Shielded service signal for counters
US2580074A (en) * 1950-10-11 1951-12-25 Jorge M Cesar Electric-light service indicator
US2656815A (en) * 1951-06-25 1953-10-27 Michael J Downey Traffic signal
US3114129A (en) * 1961-03-13 1963-12-10 Adler Gilbert Entpr Corp Emergency signal devices for automobiles, trucks and the like
US5489887A (en) * 1993-12-20 1996-02-06 Porras; Miguel A. Waiter signaling device
US20090149251A1 (en) * 2007-12-06 2009-06-11 Edwin Sanchez Casino service and display unit
US20130301284A1 (en) * 2010-12-23 2013-11-14 Volvo Construction Equipment Ab Device for fixing warning lamp of a construction machine
US9157621B2 (en) * 2010-12-23 2015-10-13 Volvo Construction Equipment Ab Device for fixing warning lamp of a construction machine

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