Detachable dual-mode lighting device and associated headlamp system

1. A system, comprising:

a head guard comprising a first power source;

a lighting device configured to detachably attach to the head guard, the lighting device comprising:

a second power source different from the first power source;

a light emitting element; and

a lighting device body comprising an inner sleeve and an outer sleeve, wherein the outer sleeve is adapted to slide relative to the inner sleeve along the light device body to toggle the lighting device between (a) an area light mode of operation where light of the light emitting element emits from sides of the lighting device body; and (b) a flashlight mode of operation where light of the light emitting element emits only from a front of the lighting device; and

wherein the head guard further comprises processing circuitry configured to, when the lighting device is detachably attached to the head guard, use the first power source to provide power to or charge the second power source.

2. The system of claim 1 , wherein:

the head guard comprises at least one magnet and at least one electrical contact;

the lighting device comprises at least one magnet and at least one electrical contact; and

the lighting device is sized and positioned such that, when removably attached to the head guard, the at least one magnet of the lighting device magnetically couples to the at least one magnet of the head guard and the at least one electrical contact of the lighting device electrically couples to the at least one electrical contact of the head guard.

3. The system of claim 1 , wherein:

the outer sleeve is at least partially transparent and the inner sleeve is opaque;

the lighting device comprises a light cup secured to the outer sleeve such that the light cup slides with the outer sleeve relative to the inner sleeve;

when the lighting device is toggled to the area light mode of operation, the light cup is in a first position that causes the light of the light emitting element to emit through sides of the outer sleeve; and

when the lighting device is toggled to the flashlight mode of operation, the light cup is in a second position that causes the light of the light emitting element to emit through only the front of the lighting device.

4. The system of claim 1 , wherein:

the head guard comprises a receiver cavity, a presence sensor positioned within the receiver cavity, a housing light emitting element, and processing circuitry; and

the processing circuitry is configured to turn on the housing light emitting element when the lighting device is removed from the receiver cavity and turn off the housing light emitting element when the lighting device is positioned in the receiver cavity.

5. The system of claim 1 , wherein the lighting device body further comprises:

a lighting device base comprising a first recess positioned on a first side of the lighting device base and a second recess positioned on a second side of the lighting device base;

a first hook pivotably coupled to the lighting device base such that a pivot of the first hook nests the first hook in the first recess or retracts the first hook from the first recess; and

a second hook pivotably coupled to the lighting device base such that a pivot of the second hook nests the second hook in the second recess or retracts the second hook from the second recess.

6. The system of claim 5 , wherein the first recess, the second recess, the first hook, and the second hook are semi-circular shaped.

7. The system of claim 1 , wherein the lighting device further comprises a switch and processing circuitry that is configured to toggle the lighting element disposed within the lighting device body between a plurality of modes of illumination in response to a manipulation of the switch.

8. The system of claim 1 , wherein:

the first power source is at least one first rechargeable battery; and

the second power source is at least one second rechargeable battery.

9. The system of claim 1 , wherein:

the head guard comprises a receiver cavity; and

the lighting device comprises a lighting device base of a shape and size similar to the receiver cavity such that the lighting device forms an interference fit with the receiver cavity.

10. The system of claim 1 , wherein:

the outer sleeve comprises an aperture;

the lighting device comprises a switch projecting from the inner sleeve of the lighting device body, the aperture and the switch having a similar size and shape; and

when the lighting device is toggled to the flashlight mode of operation, the switch is nested within the aperture.

11. A system, comprising:

a lighting device configured to detachably attach to a dock, the lighting device comprising:

a battery;

a light emitting element;

a lighting device body comprising an inner sleeve and an outer sleeve, the outer sleeve comprising an aperture; and

a switch projecting from the inner sleeve of the lighting device body, wherein the aperture and the switch have a similar size and shape;

wherein the outer sleeve is adapted to slide relative to the inner sleeve along the light device body to toggle the lighting device between (a) an area light mode of operation where light of the light emitting element emits from sides of the lighting device body; and (b) a flashlight mode of operation where light of the light emitting element emits only from a front of the lighting device; and

wherein, when the lighting device is toggled to the flashlight mode of operation, the switch is nested within the aperture.

12. The system of claim 11 , wherein:

the system comprises the dock, wherein the dock is a head guard comprising at least one magnet and at least one electrical contact;

the lighting device comprises at least one magnet and at least one electrical contact; and

the lighting device is sized and positioned such that, when removably attached to the head guard, the at least one magnet of the lighting device magnetically couples to the at least one magnet of the head guard and the at least one electrical contact of the lighting device electrically couples to the at least one electrical contact of the head guard.

13. The system of claim 11 , wherein:

the outer sleeve is at least partially transparent and the inner sleeve is opaque;

the lighting device comprises a light cup secured to the outer sleeve such that the light cup slides with the outer sleeve relative to the inner sleeve;

when the lighting device is toggled to the area light mode of operation, the light cup is in a first position that causes the light of the light emitting element to emit through sides of the outer sleeve; and

when the lighting device is toggled to the flashlight mode of operation, the light cup is in a second position that causes the light of the light emitting element to emit through only the front of the lighting device.

14. The system of claim 11 , wherein:

the system comprises the dock, wherein the dock is a head guard comprising a receiver cavity, a presence sensor positioned within the receiver cavity, a housing light emitting element, and processing circuitry; and

the processing circuitry is configured to turn on the housing light emitting element when the lighting device is removed from the receiver cavity and turn off the housing light emitting element when the lighting device is positioned in the receiver cavity.

15. The system of claim 11 , wherein the lighting device body further comprises:

a lighting device base comprising a first recess positioned on a first side of the lighting device base and a second recess positioned on a second side of the lighting device base;

a first hook pivotably coupled to the lighting device base such that a pivot of the first hook nests the first hook in the first recess or retracts the first hook from the first recess; and

a second hook pivotably coupled to the lighting device base such that a pivot of the second hook nests the second hook in the second recess or retracts the second hook from the second recess.

16. The system of claim 15 , wherein the first recess, the second recess, the first hook, and the second hook are semi-circular shaped.

17. The system of claim 11 , wherein the lighting device further comprises processing circuitry that is configured to toggle the lighting element disposed within the lighting device body between a plurality of modes of illumination in response to a manipulation of the switch.

18. The system of claim 11 , wherein:

the system comprises the dock;

the battery of the lighting device is rechargeable; and

the dock comprises processing circuitry configured to, in response to the lighting device being electrically coupled to the head guard, recharge the battery of the lighting device.

19. The system of claim 11 , wherein:

the system comprises the dock, wherein the dock comprises a receiver cavity; and

the lighting device comprises a lighting device base of a shape and size similar to the receiver cavity such that the lighting device forms an interference fit with the receiver cavity.

20. A method, comprising:

providing a head guard, wherein the head guard comprises a presence sensor, a housing light emitting element, and processing circuitry; and

providing a lighting device configured to detachably attach to the head guard, the lighting device comprising:

a battery;

a light emitting element; and

a lighting device body comprising an inner sleeve and an outer sleeve, wherein the outer sleeve is adapted to slide relative to the inner sleeve along the light device body to toggle the lighting device between (a) an area light mode of operation where light of the light emitting element emits from sides of the lighting device body; and (b) a flashlight mode of operation where light of the light emitting element emits only from a front of the lighting device;

wherein the processing circuitry of the head guard is configured to turn on the housing light emitting element when the light emitting device is detached from the head guard and turn off the housing light emitting element when the light emitting device is attached to the head guard.