CA1091203A - Instrument panel lighting structure - Google Patents
Instrument panel lighting structureInfo
- Publication number
- CA1091203A CA1091203A CA285,730A CA285730A CA1091203A CA 1091203 A CA1091203 A CA 1091203A CA 285730 A CA285730 A CA 285730A CA 1091203 A CA1091203 A CA 1091203A
- Authority
- CA
- Canada
- Prior art keywords
- instrument panel
- tractor
- circuit
- circuit board
- bulbs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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- Instrument Panels (AREA)
Abstract
INSTRUMENT PANEL LIGHTING STRUCTURE
ABSTRACT OF THE DISCLOSURE
An instrument panel including a lighting circuit, lights, and signal indicators mounted on the instrument panel in a manner for ease in assembly and convenience for servicing.
Indicator lights on instrument panel will signal various operating conditions of the engine and the tractor. A cable is connected between the lighting circuit which is formed by a printed circuit on a circuit board and a sensing circuit which senses the sense condition of the engine and tractor. Light bulbs are positioned in compartments which are covered by windows carrying a symbol to indicate to the operator the operating condition of the tractor. The wiring is simplified by incorporating the connecting wires in the cable and a connector with a plug and socket arrangement for connecting the light circuit and sensor circuits for a simplified assembly and repair of the system in general.
ABSTRACT OF THE DISCLOSURE
An instrument panel including a lighting circuit, lights, and signal indicators mounted on the instrument panel in a manner for ease in assembly and convenience for servicing.
Indicator lights on instrument panel will signal various operating conditions of the engine and the tractor. A cable is connected between the lighting circuit which is formed by a printed circuit on a circuit board and a sensing circuit which senses the sense condition of the engine and tractor. Light bulbs are positioned in compartments which are covered by windows carrying a symbol to indicate to the operator the operating condition of the tractor. The wiring is simplified by incorporating the connecting wires in the cable and a connector with a plug and socket arrangement for connecting the light circuit and sensor circuits for a simplified assembly and repair of the system in general.
Description
2~
This inventions relates to an instrument panel on the vehicle and more particularly to a lighting assembly including a compartmented panel with lighted windows for indicator lights and a circuit board supporting light bulbs and circuit components for lighting the windows in response to sensed conditions on the vehicle.
Instrument panels on motor vehicles provide a supporting means for various controls and indicators, such as, meters, lights, gauges, switches and so on. The indicators are often electrical in nature and consequently, electrical wires are used to supply an electrical signal responsive to a sensed condition on the motor vehicle. The complexity of the modern vehicle and particularly tractors are increasing as the need for accessory equipment for operating auxiliary equipment increases. Accordingly, the instrument panel on the modern tractor requires a maze of wiring which is becoming increasingly difficult to assemble as well as service.
Accordingly, this invention provides a means whereby the indicator lights on the instrument panel will signal various operating conditions of the engine and the tractor. A
cable is connected to the circuit board which carries the printed circuit as well as the light bulbs which operate responsive to the sensed conditions. The light bulbs are positioned in compartments which are covered by a window carrying a symbol to indicate to the operator the operating conditions on the vehicle. Accordingly, this invention simplifies the wiring by bringing the wires into the instrument panel in a cable with connectors in a plug and socket arrange~ent which connects the circuit between the indicator lights to the sensors on the vehicle to simply the assembly and repair of the system in general.
2U;~
Accordingly, it is an obJect of this invention to provide a lighting arrangement on an instrument panel on a motor vehicle.
It is another object of this invention to provide a plurality of compartments contain~nq light bulbs mounted on a circuit board with the lights directing illumination ~hrough windows on the instrument panel to indicate to the operator the sensed condition on the motor vehicle.
It is a further object of this invention to provide a circuit board carrying the electrical circuits including light bulbs which are positioned in compartments on the lnstrument panel and a reflector for directing light through windows on the instrument panel to indicate to the operator a sensed condition on the motor vehicle.
It is a further object of this invention to provide a circuit board carrying a printed circuit and supporting indicator lights with reflectors for reflecting a signal through windows on the instrument panel. The circuit board is connected through a connector to-a cable of a plurality of conductors to sensors on the motor vehicle for providing - signals visable on the instrument panel as to the operating conditions of the vehicle.
The objects of this invention are accomplished by providing an instrument panel on a vehicle with gauges, controls and lights for indicators to indicate to the operator operating conditions of the vehicle. The instrument panel is constructed with compartments adjacent the panel surface which faces the operator and the compartments extend from the panel surface to receive light bulbs in the indicator circuit~
Windows are provided on the panel surface to indicate the - va-riou-s se~sed condit-ions on -bhe vehicle. A circuit board carries resistors, transistors and light bulbs of the indicator of which the bulbs extend into the compartments to provide the indication to the operator when the bulbs are lighted.
A cable is connected through pronqs and sockets to connect the circuit board to the sensory circuit on the motor vehicle. The circuit board is mounted on the backside of the compartments with the bulbs extending into the compartments and a reflector at the base of the bulbs to reflect light through the windows to indicate to the operator the sensed condition on the motor vehicle.
Referring to the drawings, the preferred embodiment of this invention is illustrated.
Fig. 1 illustrates a partially sectioned side elevation view of a control module with an instrument panel mounted thereon;
Fig. 2 is an electrical circuit includinq the sensory circuits and the indicator circuit for indicating the sensed conditions on the motor vehicle;
Fig. 3 is a front view of the indicator windows;
Fig. 4 is a three dimensional view and a partially exploded view of the backside of the instrument panel;
Fig~ 5 is a three dimensional view showing the front side of the instrument panel;
Fig. 6 is the front view of the reflector;
Fig. 7 is a side view of the reflector shown in Fig. 6;
Fig. 8 is a cross section view taken on line VIII-VIII of Fig. 4;
Fig. 9 is the front view of the circuit board;
Fig. 10 is a side view of the circuit board; and Fig. 11 is the back view showing the electrical printed circuit on the circuit board.
10~312(~3 Referring to the drawings, the instru~ent panel 1 is shown mounted as an intregal part of the control console 2.
The control console 2 is suitably mounted on the vehicle by means of a supporting structure 3 and the firewall 4 on the forward side of the control console. The instrument panel 1 is connected for mountinq by means of a plurality of bolts of which bolts 5 and 6 are shown.
Fig. 2 shows the indicator circuit 7 connected through connectors to the sensory circuits 8. The circuits are.
energized by the battery 9 connected between ground 10 and line 11. The battery supplies the electrical energy to operate the lighting of the bulbs 12, 13, 14, 15, 16, 17, 18 and 19 throuqh line 11 connected to terminal 20. Terminal 21 is connected to the oil pressure sensor 22. Terminal 23 is connected to the alternator 24. Terminal 25 is connected to the transmis~ion oil temperature sensor 26. Terminal 27 is connected to the rear housing temperature sensor 28. Terminal 29 is connected to the trans~ission oil filter switch which is in the filter assembly 30. The switch operates when there is a deective filter. Terminal 31 is connected to the trans~ission oil pressure sensor 32. Terminal 33 is connected to the turn signal circuit 34. Terminal 35 is connected through the starter 100 to ground and through the starter switch 36 to battery 9. Terminal 37 is connected to ground 10. Terminal 38 is connected to the hydraulic oil filter warning switch in the hydraulic oil filter assembly 39.
The instrument panel l is supported on its upper end on the bracket 41 and the bracket 41 is connected to the control console by bolts 5 and 6 in the bolt holes shown. The lower portion of the instrument panel is similarly bolted as an . ~. fntegral part.of the control console by.means of bolt 6 as .
indicated in Fig. 1.
' 10g1~03 The instrument panel carries the tachometer 42 and the water temperature gauge 43. The ignition switch 44 and starter button 45 are also mounted on the instrument panel.
The ethyl injector button 46 is mounted on the control panel as well as the light switch 47 and the turn signal switch 48.
These components are generally indicated in Figs. 4 and 5.
Suitable electrical connections are provided between the indicator circuit 7 on the instrument panel and sensory circuits 8.
The circuit board 49 is mounted by means of a plurality of screws 50 of which one is shown. The reflector 51 is seated at the base 52 of the bulbs 53. These componen~s are mounted on the box 54 on the instrument panel which forms a plurality of compartments for receiving the bulbs.
Fig. 8 shows a portion of the instrument panel carrying the pane 55 and the box 54 forming the compartments 56, 57, 58 and 59. The internal surface of these compartments has a high gloss reflective surface to improve the efficiency of the light reflected toward the windows formed by the pane The pane 55 forming a plurality of windows is shown in Fig. 3 and will be described subsequently.
Figs. 9, 10 and 11 show the circuit board 49. The printed circuit shown on Fig. 11 is the electrical circuit shown in Fig. 2 and the connectors are identified as the terminals between circuits. The bulbs shown in Fig. 2 are also identified in Fig. 8. The bulbs project into the compartments shown in box 54 of Figs. ~ and 8. The bulbs 12, 13, 14 and 15 as shown in Fig. 9, would extend into the compartments 56, 57, 58 and 59. Similarly the bulbs 19, 18, 17 and 16 would extend into the compartments 60, 61, 62 and 63. Since the circuit board 49 would not have reflective characteristics, the ,~ , .
reflector 51 is formed of resilient material and having a MYL~R
coating forming an aluminized surface 64 positioned on the circuit board. The MYLAR surface 64 engages the end surface 55 of the box 54 to reflect light towards the windows. The resistors and transistors and the base of the bulbs as well as the circuit board are all covered by the reflector 51 when assembled.
The pane 55 covers the ends of the compartments in the box 54 on the panel surface. The pane 55 forms eight windows shown in Fig. 3 which include the turn signal window 66, the hydraulic oil filter window 67, the transmission pressure window 68 and transmission oil filter window 69, as well as the alternator window 70, the engine oil pressure window 71, the transmission oil temperature window 72 and the rear housing oil temperature window 73.
Each of these windows includes a symbol as well as a printed readout on each window. Each window is lighted when the bulb beneath the window is lighted. This signals to the operator a warning of the condition sensed from the sensory circuit which is electrically transmitted to light the bulb through an electrical signal. Accordingly, the parameters sensed on the vehicle generates a signal which is transmitted from the sensory circuit to the indicator circuit to light the bulb to inform the operator of the various conditions sensed in the vehicle.
The operation of the indicator lighting arrangement operates in the following described manner.
When the alternator 24 is not charging, it is sensed by the regulator circuit of the alternator 24 allowing a current flow which illuminates the bulb 12 and cautions the operator the alternator is not operating properly.
p ~ 6 -lO~lZ03 When the oil pressure in the engine drops below a predetermined value, the en~ine oil pressure switch 22 closes and the light 13 illu-~inates providing a warning to the operator that engine oil pressure is low.
When the transmission oil temperature is above a predetermined value, a temperature sensor 26 senses the temperature and closes the circuit through the indicator circuit and the light 14 is illuminated to warn the operator that the transmission oil temperature is excessively high.
When the rear housing oil temperature on the vehicle is above a predetermined value, this also is sensed by the rear housing temperature sensor 28 and a switch is closed to the indicator circuit illuminating the light 15 which in turn warns the operator by illuminating the window 73 of the window 55.
When the turn signal switch 34 is closed in either of two directions, current flows through switch 34 which flows through the bulb 19 and illuminates window 66 indicating to the operator a turn signal switch is closed.
When the hydraulic oil filter in the hydraulic system for auxiliary equipment is not filtering properly, the hydraulic oil bypasses the filter opening a valve and a switch which in turn generates a signal which illuminates the light 18 and window 67 indicating to the operator that the hydraulic oil filter is defective and should be replaced.
When the transmission oil pressure falls below a pre-determined value, the drop-in pressure is sensed by the pressure sensor 32 and current flows through the light 17 which is then lighted. As light 17 is lit, it illuminates the window 68 and this indicates to the operator the pressure has fallen below a predetermined value and the hydraulic system is not operating properly.
~91;~03 Similarly when the transmission oil filter has become defective and oil is bypassing the filter, a bypass switch is opened which in turn causes an electrical signal to flow through the indicator circuit and the light 16 is illuminated.
As light 16 is illuminated, the window 69 is illuminated which warns the operator that the transmission oil filter is defective.
The starter switch 36 is also connected to the indicator light circuit and tests the operativeness of the indicator lights 14, 15, 16 and 18 when the starter switch is closed. The switch is operated manually to start the engine on the vehicle and simultaneously provides a test for circuits.
The indicator light arrangement accordingly is a compact, easily assembled unit. The system can also be serviced readily either by replacing any component in the assembly or replacing the whole unit if desired.
This inventions relates to an instrument panel on the vehicle and more particularly to a lighting assembly including a compartmented panel with lighted windows for indicator lights and a circuit board supporting light bulbs and circuit components for lighting the windows in response to sensed conditions on the vehicle.
Instrument panels on motor vehicles provide a supporting means for various controls and indicators, such as, meters, lights, gauges, switches and so on. The indicators are often electrical in nature and consequently, electrical wires are used to supply an electrical signal responsive to a sensed condition on the motor vehicle. The complexity of the modern vehicle and particularly tractors are increasing as the need for accessory equipment for operating auxiliary equipment increases. Accordingly, the instrument panel on the modern tractor requires a maze of wiring which is becoming increasingly difficult to assemble as well as service.
Accordingly, this invention provides a means whereby the indicator lights on the instrument panel will signal various operating conditions of the engine and the tractor. A
cable is connected to the circuit board which carries the printed circuit as well as the light bulbs which operate responsive to the sensed conditions. The light bulbs are positioned in compartments which are covered by a window carrying a symbol to indicate to the operator the operating conditions on the vehicle. Accordingly, this invention simplifies the wiring by bringing the wires into the instrument panel in a cable with connectors in a plug and socket arrange~ent which connects the circuit between the indicator lights to the sensors on the vehicle to simply the assembly and repair of the system in general.
2U;~
Accordingly, it is an obJect of this invention to provide a lighting arrangement on an instrument panel on a motor vehicle.
It is another object of this invention to provide a plurality of compartments contain~nq light bulbs mounted on a circuit board with the lights directing illumination ~hrough windows on the instrument panel to indicate to the operator the sensed condition on the motor vehicle.
It is a further object of this invention to provide a circuit board carrying the electrical circuits including light bulbs which are positioned in compartments on the lnstrument panel and a reflector for directing light through windows on the instrument panel to indicate to the operator a sensed condition on the motor vehicle.
It is a further object of this invention to provide a circuit board carrying a printed circuit and supporting indicator lights with reflectors for reflecting a signal through windows on the instrument panel. The circuit board is connected through a connector to-a cable of a plurality of conductors to sensors on the motor vehicle for providing - signals visable on the instrument panel as to the operating conditions of the vehicle.
The objects of this invention are accomplished by providing an instrument panel on a vehicle with gauges, controls and lights for indicators to indicate to the operator operating conditions of the vehicle. The instrument panel is constructed with compartments adjacent the panel surface which faces the operator and the compartments extend from the panel surface to receive light bulbs in the indicator circuit~
Windows are provided on the panel surface to indicate the - va-riou-s se~sed condit-ions on -bhe vehicle. A circuit board carries resistors, transistors and light bulbs of the indicator of which the bulbs extend into the compartments to provide the indication to the operator when the bulbs are lighted.
A cable is connected through pronqs and sockets to connect the circuit board to the sensory circuit on the motor vehicle. The circuit board is mounted on the backside of the compartments with the bulbs extending into the compartments and a reflector at the base of the bulbs to reflect light through the windows to indicate to the operator the sensed condition on the motor vehicle.
Referring to the drawings, the preferred embodiment of this invention is illustrated.
Fig. 1 illustrates a partially sectioned side elevation view of a control module with an instrument panel mounted thereon;
Fig. 2 is an electrical circuit includinq the sensory circuits and the indicator circuit for indicating the sensed conditions on the motor vehicle;
Fig. 3 is a front view of the indicator windows;
Fig. 4 is a three dimensional view and a partially exploded view of the backside of the instrument panel;
Fig~ 5 is a three dimensional view showing the front side of the instrument panel;
Fig. 6 is the front view of the reflector;
Fig. 7 is a side view of the reflector shown in Fig. 6;
Fig. 8 is a cross section view taken on line VIII-VIII of Fig. 4;
Fig. 9 is the front view of the circuit board;
Fig. 10 is a side view of the circuit board; and Fig. 11 is the back view showing the electrical printed circuit on the circuit board.
10~312(~3 Referring to the drawings, the instru~ent panel 1 is shown mounted as an intregal part of the control console 2.
The control console 2 is suitably mounted on the vehicle by means of a supporting structure 3 and the firewall 4 on the forward side of the control console. The instrument panel 1 is connected for mountinq by means of a plurality of bolts of which bolts 5 and 6 are shown.
Fig. 2 shows the indicator circuit 7 connected through connectors to the sensory circuits 8. The circuits are.
energized by the battery 9 connected between ground 10 and line 11. The battery supplies the electrical energy to operate the lighting of the bulbs 12, 13, 14, 15, 16, 17, 18 and 19 throuqh line 11 connected to terminal 20. Terminal 21 is connected to the oil pressure sensor 22. Terminal 23 is connected to the alternator 24. Terminal 25 is connected to the transmis~ion oil temperature sensor 26. Terminal 27 is connected to the rear housing temperature sensor 28. Terminal 29 is connected to the trans~ission oil filter switch which is in the filter assembly 30. The switch operates when there is a deective filter. Terminal 31 is connected to the trans~ission oil pressure sensor 32. Terminal 33 is connected to the turn signal circuit 34. Terminal 35 is connected through the starter 100 to ground and through the starter switch 36 to battery 9. Terminal 37 is connected to ground 10. Terminal 38 is connected to the hydraulic oil filter warning switch in the hydraulic oil filter assembly 39.
The instrument panel l is supported on its upper end on the bracket 41 and the bracket 41 is connected to the control console by bolts 5 and 6 in the bolt holes shown. The lower portion of the instrument panel is similarly bolted as an . ~. fntegral part.of the control console by.means of bolt 6 as .
indicated in Fig. 1.
' 10g1~03 The instrument panel carries the tachometer 42 and the water temperature gauge 43. The ignition switch 44 and starter button 45 are also mounted on the instrument panel.
The ethyl injector button 46 is mounted on the control panel as well as the light switch 47 and the turn signal switch 48.
These components are generally indicated in Figs. 4 and 5.
Suitable electrical connections are provided between the indicator circuit 7 on the instrument panel and sensory circuits 8.
The circuit board 49 is mounted by means of a plurality of screws 50 of which one is shown. The reflector 51 is seated at the base 52 of the bulbs 53. These componen~s are mounted on the box 54 on the instrument panel which forms a plurality of compartments for receiving the bulbs.
Fig. 8 shows a portion of the instrument panel carrying the pane 55 and the box 54 forming the compartments 56, 57, 58 and 59. The internal surface of these compartments has a high gloss reflective surface to improve the efficiency of the light reflected toward the windows formed by the pane The pane 55 forming a plurality of windows is shown in Fig. 3 and will be described subsequently.
Figs. 9, 10 and 11 show the circuit board 49. The printed circuit shown on Fig. 11 is the electrical circuit shown in Fig. 2 and the connectors are identified as the terminals between circuits. The bulbs shown in Fig. 2 are also identified in Fig. 8. The bulbs project into the compartments shown in box 54 of Figs. ~ and 8. The bulbs 12, 13, 14 and 15 as shown in Fig. 9, would extend into the compartments 56, 57, 58 and 59. Similarly the bulbs 19, 18, 17 and 16 would extend into the compartments 60, 61, 62 and 63. Since the circuit board 49 would not have reflective characteristics, the ,~ , .
reflector 51 is formed of resilient material and having a MYL~R
coating forming an aluminized surface 64 positioned on the circuit board. The MYLAR surface 64 engages the end surface 55 of the box 54 to reflect light towards the windows. The resistors and transistors and the base of the bulbs as well as the circuit board are all covered by the reflector 51 when assembled.
The pane 55 covers the ends of the compartments in the box 54 on the panel surface. The pane 55 forms eight windows shown in Fig. 3 which include the turn signal window 66, the hydraulic oil filter window 67, the transmission pressure window 68 and transmission oil filter window 69, as well as the alternator window 70, the engine oil pressure window 71, the transmission oil temperature window 72 and the rear housing oil temperature window 73.
Each of these windows includes a symbol as well as a printed readout on each window. Each window is lighted when the bulb beneath the window is lighted. This signals to the operator a warning of the condition sensed from the sensory circuit which is electrically transmitted to light the bulb through an electrical signal. Accordingly, the parameters sensed on the vehicle generates a signal which is transmitted from the sensory circuit to the indicator circuit to light the bulb to inform the operator of the various conditions sensed in the vehicle.
The operation of the indicator lighting arrangement operates in the following described manner.
When the alternator 24 is not charging, it is sensed by the regulator circuit of the alternator 24 allowing a current flow which illuminates the bulb 12 and cautions the operator the alternator is not operating properly.
p ~ 6 -lO~lZ03 When the oil pressure in the engine drops below a predetermined value, the en~ine oil pressure switch 22 closes and the light 13 illu-~inates providing a warning to the operator that engine oil pressure is low.
When the transmission oil temperature is above a predetermined value, a temperature sensor 26 senses the temperature and closes the circuit through the indicator circuit and the light 14 is illuminated to warn the operator that the transmission oil temperature is excessively high.
When the rear housing oil temperature on the vehicle is above a predetermined value, this also is sensed by the rear housing temperature sensor 28 and a switch is closed to the indicator circuit illuminating the light 15 which in turn warns the operator by illuminating the window 73 of the window 55.
When the turn signal switch 34 is closed in either of two directions, current flows through switch 34 which flows through the bulb 19 and illuminates window 66 indicating to the operator a turn signal switch is closed.
When the hydraulic oil filter in the hydraulic system for auxiliary equipment is not filtering properly, the hydraulic oil bypasses the filter opening a valve and a switch which in turn generates a signal which illuminates the light 18 and window 67 indicating to the operator that the hydraulic oil filter is defective and should be replaced.
When the transmission oil pressure falls below a pre-determined value, the drop-in pressure is sensed by the pressure sensor 32 and current flows through the light 17 which is then lighted. As light 17 is lit, it illuminates the window 68 and this indicates to the operator the pressure has fallen below a predetermined value and the hydraulic system is not operating properly.
~91;~03 Similarly when the transmission oil filter has become defective and oil is bypassing the filter, a bypass switch is opened which in turn causes an electrical signal to flow through the indicator circuit and the light 16 is illuminated.
As light 16 is illuminated, the window 69 is illuminated which warns the operator that the transmission oil filter is defective.
The starter switch 36 is also connected to the indicator light circuit and tests the operativeness of the indicator lights 14, 15, 16 and 18 when the starter switch is closed. The switch is operated manually to start the engine on the vehicle and simultaneously provides a test for circuits.
The indicator light arrangement accordingly is a compact, easily assembled unit. The system can also be serviced readily either by replacing any component in the assembly or replacing the whole unit if desired.
Claims (10)
1. A lighting assembly on an instrument panel of a tractor comprising, an instrument panel including a plurality of windows defining a panel surface mounted for facing an operator station, compartment means integral with said instrument panel defining a plurality of compartments extending from said panel surface into said instrument panel, high gloss surfaces on the walls of said compartments for reflecting light, each one window of said plurality of windows forming said panel surface of said instrument panel covering an end of one of said compartments, each window including a different indicator with each for indicating one of the conditions sensed in the tractor, a circuit board, an electrical indicator lighting circuit supported on said circuit board including, a light bulb testing circuit in said lighting circuit for indicating operativeness of lights when the starter circuit is closed, a plurality of light bulbs each indicating a sensed condition and having a base mounted on said circuit board in said electrical circuit with each one of said light bulbs extending into one of said plurality of said compartments, a resilient reflector mounted for contracting against and cushioning the bases of such bulbs on said circuit board, a reflecting surface including a portion on the end of each com-partment for reflecting light through the window of the compartment when the bulb in the compartment is lighted, means removably fastening said circuit board and compressively retaining said reflector between said means defining compart-ments and said circuit board, a sensory circuit sensing a plurality of conditions on said tractor, a cable extending into said instrument panel and a snap connector removably connecting said sensory circuit to said electrical indicator lighting circuit for lighting bulbs in response to the sensed conditions.
2. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 including a prong and socket connector including terminals in a socket on said circuit board, a cable in said instrument panel having prongs for connecting to each of said terminals in the socket on said circuit board for connecting said lighting circuit to said sensory circuit.
3. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 including an alumininzed reflector mounted on said circuit board having a portion in each compartment for reflecting light from the bulbs for trans-mission through said compartments and said windows.
4. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein said reflector includes aluminized and MYLAR support means forming perforations with each perforation receiving one of said bulbs, an aluminized surface on said reflector reflecting light from said bulbs through said compartments in said instrument panel.
5. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein each window defines an indicative symbol of the condition sensed in the tractor.
6. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein at least one of said windows provides an indication of oil pressure in said vehicle.
7. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein at least one of said windows indicates a temperature sensed on said vehicle.
8. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein said electrical circuit defines a printed circuit on said circuit board including a plurality of transistors, resistors, diodes and bulbs, means for supporting said bulbs for extending into said compartments.
9. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein at least one of said windows indicates an electrical condition in one of the accessories on said tractor.
10. A lighting assembly on an instrument panel of a tractor as set forth in claim 1 wherein at least one of said windows indicates the condition of a filter on said tractor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74413076A | 1976-11-22 | 1976-11-22 | |
| US744,130 | 1991-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091203A true CA1091203A (en) | 1980-12-09 |
Family
ID=24991547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA285,730A Expired CA1091203A (en) | 1976-11-22 | 1977-08-30 | Instrument panel lighting structure |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1091203A (en) |
-
1977
- 1977-08-30 CA CA285,730A patent/CA1091203A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |