Head wearable devices and methods
A head wearable device includes a headpiece, a housing attached to the headpiece, a luminaire attached to the headpiece, the luminaire including a luminaire housing and at least one light source located within the luminaire housing, a duct system connecting the luminaire to the housing, a ball joint rotatably connecting the duct system to the luminaire, and an air moving device configured to induce a cooling air flow through an inlet in the luminaire housing, through the heatsink, through the ball joint, through the duct system, and out of an exhaust in the housing attached to of the headpiece.
1. A headlight device comprising:
a headband comprising a rear portion, a side portion and a top portion, the headband having an inner surface; and
a padding system comprising:
a rear pad attached to the inner surface of the rear portion of the headband;
a side pad attached to the inner surface of the side portion of the headband;
a top pad attached to the inner surface of the top portion of the headband; and
a brow pad attached to the inner surface of the headband about an intersection of the top portion and the side portion, at a front of the headband at a position such that the brow pad is configured to be against a forehead of a wearer of the headlight device;
wherein at least one of the rear pad and the brow pad comprises a first layer of a first cushioning material having a first durometer, and a second layer of a second cushioning material having a second durometer that is different from the first durometer.
2. The headlight device of claim 1 , wherein the first cushioning material comprises silicone foam, the first durometer of which has a compression force deflection of about 1.5 pounds per square inch (psi), and wherein the second cushioning material comprises silicone foam, the second durometer of which has a compression force deflection of about 6-14 psi.
3. The headlight device of claim 1 , wherein the first cushioning material comprises an extra firm silicone foam, the first durometer of which has a compression force deflection in a range of 16-26 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-20 psi.
4. The headlight device of claim 1 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 12-20 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-14 or 16-26 psi.
5. The headlight device of claim 1 , wherein the first cushioning material comprises a medium silicone foam, the first durometer of which has a compression force deflection in a range of 6-14 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-7 or 12-26 psi.
6. The headlight device of claim 1 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 2-7 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-5 or 6-26 psi.
7. The headlight device of claim 1 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 1-5 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of about 1.5 or 2-26 psi.
8. The headlight device of claim 1 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection of about 1.5 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-26 psi.
9. The headlight device of claim 1 , wherein the second layer of the second cushioning material is closer than the first layer of the first cushioning material to the inner surface of the rear portion of the headband.
10. The headlight device of claim 1 , wherein the first layer of the first cushioning material and the second layer of the second cushioning material are each perforated.
11. The headlight device of claim 10 , wherein a majority of the perforations in the first layer of the first cushioning material are generally circular, and a majority of the perforations in the second layer of the second cushioning material are in a shape other than circular.
12. The headlight device of claim 11 , wherein the perforations in the second layer of the second cushioning material are generally square or rectangular, or generally in a grid-like pattern.
13. The headlight device of claim 10 , wherein the second layer of the second cushioning material has more open space on its upper or lower surface due to perforations than the first layer of the first cushioning material.
14. The headlight device of claim 10 , wherein a total volume of cavity due to perforations in the second layer of the second cushioning material is higher than a total volume of cavity in the first layer of the first cushioning material.
15. The headlight device of claim 1 , wherein the rear pad has an inner surface in contact with a wearer and an outer surface attached to the inner surface of the rear portion of the headband, and the rear pad comprises a recess on its inner surface.
16. The headlight device of claim 1 , wherein at least one of the top pad and the side pad comprises urethane foam and forms segments.
17. The headlight device of claim 1 , wherein at least one of the top pad, the side pad, and the rear pad is configured to be positioned on a head of a wearer of the head wearable device without being disposed over a suture between adjacent plates of a skull of the wearer of the head wearable device.
18. The headlight device of claim 1 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 1-5 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of about 1.5 or 2-26 psi.
19. A headlight device comprising:
a headband for encircling the head of a wearer;
a padding system comprising a pad removably attached to at least a portion of the headband;
wherein the pad comprises a first layer of a first cushioning material having a first durometer, and a second layer of a second cushioning material having a second durometer that is different from the first durometer; and
wherein the first layer is perforated in a first perforation pattern, and the second layer is perforated in a second perforation pattern that differs from the first perforation pattern.
20. The headlight device of claim 19 , wherein the first layer of the first cushioning material comprises a layer of silicone foam, the first durometer of which has a compression force deflection of about 1.5 pounds per square inch (psi), and wherein the second layer of the second cushioning material comprises a layer of silicone foam, the second durometer of which has a compression force deflection of about 6-14 psi.
21. The headlight device of claim 19 , wherein the first cushioning material comprises an extra firm silicone foam, the first durometer of which has a compression force deflection in a range of 16-26 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-20 psi.
22. The headlight device of claim 19 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 12-20 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-14 or 16-26 psi.
23. The headlight device of claim 19 , wherein the first cushioning material comprises a medium silicone foam, the first durometer of which has a compression force deflection in a range of 6-14 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-7 or 12-26 psi.
24. The headlight device of claim 19 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection in a range of 2-7 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-5 or 6-26 psi.
25. The headlight device of claim 19 , wherein the first cushioning material comprises a firm silicone foam, the first durometer of which has a compression force deflection of about 1.5 pounds per square inch (psi), and wherein the second cushioning material comprises a different silicone foam, the second durometer of which has a compression force deflection in a range of 1-26 psi.
26. The headlight device of claim 19 , wherein the second layer of the second cushioning material is closer than the first layer of the first cushioning material to the inner surface of the rear portion of the headband.
27. The headlight device of claim 19 , wherein a majority of the perforations in one of the first and second layers are circular, and a majority of the perforations in another of the first and second layers are in a shape other than circular.
28. The headlight device of claim 27 , wherein the perforations in the other layer are generally square or rectangular or generally in a grid-like pattern.
29. The headlight device of claim 19 , wherein the second layer of the second cushioning material has more open space on its upper or lower surface due to perforations than the first layer of the first cushioning material.
30. The headlight device of claim 19 , wherein a total volume of cavity due to perforations in the second layer of the second cushioning material is higher than a total volume of cavity in the first layer of the first cushioning material.
31. The headlight device of claim 19 , wherein the pad is configured to be positioned on a head of a wearer of the head wearable device without being disposed over a suture of a skull of the wearer of the head wearable device.
32. A headlight device comprising:
a headband for encircling the head of a wearer;
a padding system comprising a rear pad removably attached to at least a portion of the headband;
wherein the rear pad comprises a first layer of a first cushioning material having a first durometer, and a second layer of a second cushioning material having a second durometer that is different from the first durometer;
wherein the first layer is perforated in a first perforation pattern, and the second layer is perforated in a second perforation pattern that differs from the first perforation pattern;
wherein the first layer comprises an inner surface in contact with a wearer;
wherein the second layer comprises an outer surface attached to the inner surface of the rear portion of the headband; and
wherein the rear pad comprises a recess on an inner surface thereof.