SIZE ADAPTIVE PROTECTIVE HEADGEAR

Abstract

Disclosed is a size adaptive protective headgear including a protective shell including a first and a second front cut extending respectively from a first and second side edge of the protective shell, the first and second front cut enabling expansion and contraction of a front section of the protective shell, and a first and a second rear cut extending respectively from a first and second side edge of the protective shell, the first and second rear cut enabling expansion and contraction of a rear section of the protective shell.

Claims

1. A size adaptive protective headgear comprising a protective shell comprising, a first and a second front cut extending respectively from a first and second side edge of the protective shell, the first and second front cut enabling expansion and contraction of a front section of the protective shell, and a first and a second rear cut extending respectively from a first and second side edge of the protective shell, the first and second rear cut enabling expansion and contraction of a rear section of the protective shell.

2. The size adaptive protective headgear of claim 1, wherein the first and second front cut extends in a first direction towards the opposite side of the protective shell, and in a second direction towards the rear end of the shell.

3. The size adaptive protective headgear of claim 2, wherein the first and second front cut extends in a third direction towards the rear end of the protective shell, the third direction diverging from the second direction towards the same first and second side edge where the first and second front cut extends from.

4. The size adaptive protective headgear of claim 1, wherein the first and second rear cut extends in a first direction towards the opposite side of the protective shell, and in a second direction towards the front end of the protective shell.

5. The size adaptive protective headgear of claim 4, wherein the first and second rear cut extends in a third direction towards the front end of the protective shell, the third direction diverging from the second direction towards the same first and second side edge where the first and second rear cut extends from.

6. The size adaptive protective headgear of claim 1, further comprising an insert.

7. The size adaptive protective headgear of claim 6, further comprising attachment means for attaching the insert to the protective shell.

8. The size adaptive protective headgear of claim 7, wherein the attachment means comprises at least two front attachment holes and at least one rear attachment hole in the protective shell, and respectively at least two front attachment protrusions and at least one rear attachment protrusion in the insert, the at least two front attachment protrusions and at least one rear attachment protrusion being arranged to attach to the at least two front attachment holes and the at least one rear attachment hole.

9. The size adaptive protective headgear of claim 1, wherein the protective shell is made of high-density polyethylene (HDPE) plastic.

10. The size adaptive protective headgear of claim 6, wherein the insert is made of polypropylene foam.

11. The size adaptive protective headgear of claim 1, wherein the protective shell comprises at least one inlet in a front section of the protective shell and at least one outlet in a rear half of the protective shell for enabling air flow.

12. The size adaptive protective headgear of claim 11, wherein the insert comprises at least one channel arranged to guide air from the at least one inlet of the protective shell to the at least one outlet of the protective shell.

13. The size adaptive protective headgear of claim 11, wherein the protective shell comprises at least four inlets and at least eight outlets, the insert comprising at least four channels, wherein two channels connect from two inlets to one outlet.

14. The size adaptive protective headgear of claim 2, wherein the first and second rear cut extends in a first direction towards the opposite side of the protective shell, and in a second direction towards the front end of the protective shell.

15. The size adaptive protective headgear of claim 3, wherein the first and second rear cut extends in a first direction towards the opposite side of the protective shell, and in a second direction towards the front end of the protective shell.

16. The size adaptive protective headgear of claim 2, further comprising an insert.

17. The size adaptive protective headgear of claim 3, further comprising an insert.

18. The size adaptive protective headgear of claim 4, further comprising an insert.

19. The size adaptive protective headgear of claim 5, further comprising an insert.

20. The size adaptive protective headgear of claim 2, wherein the protective shell is made of high-density polyethylene (HDPE) plastic.

Description

BRIEF DESCRIPTION OF THE RELATED DRAWINGS

[0029] Next the invention is described in more detail with reference to the appended drawings in which

[0030] FIG. 1 illustrates a first embodiment of a protective headgear in accordance with the present invention.

[0031] FIG. 2 illustrates a second view of the protective headgear.

[0032] FIG. 3 illustrates a front view of the protective headgear.

[0033] FIG. 4 illustrates a top view of the protective headgear.

[0034] FIG. 5 illustrates a rear view of the protective headgear.

[0035] FIG. 6 illustrates a rear view at an angle of the protective headgear.

[0036] FIG. 7 illustrates a first side view of the protective headgear.

[0037] FIG. 8 illustrates a cross-section of the protective headgear.

[0038] FIG. 9 illustrates a second side view of the protective headgear.

[0039] FIG. 10 illustrates a second embodiment of a protective headgear in accordance with the present invention.

[0040] FIG. 11 illustrates a bottom view of the protective headgear.

[0041] FIG. 12 illustrates a cross-section of the second embodiment of the protective headgear.

[0042] FIG. 13 illustrates a front attachment hole of a protective shell.

[0043] FIG. 14 illustrates a rear attachment hole of the protective shell.

[0044] FIG. 15 illustrates an embodiment of an insert of the protective headgear.

[0045] FIG. 16 illustrates a second view of the insert.

[0046] FIG. 17 illustrates a top view of the insert.

[0047] FIG. 18 illustrates a front view of the insert.

[0048] FIG. 19 illustrates a rear view of the insert.

[0049] FIG. 20 illustrates a bottom view of the insert.

[0050] FIG. 21 illustrates a side view of the insert.

[0051] FIG. 22 illustrates a cross-section of the insert.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] Referring to FIGS. 1-9, the protective headgear 100 comprises a protective shell 102. The protective shell 102 comprises a front section 104, a rear section 106 and a first and second side section 108, 110.

[0053] The front section 104 is formed by a first and a second front cut 112, 114 extending respectively from the first and second side edge 116, 118 of the protective shell 102. The first front cut 112 extends from the first side edge 116 of the protective shell 102 and the second front cut 114 extends respectively from the second side edge 118 of the protective shell 102.

[0054] The first and second front cut 112, 114 extends in a first direction 120, 122 towards the opposite side of the protective shell 102, and in a second direction 124, 126 towards the rear end 128 of the protective shell 102. The first direction 120, 122 may comprise one or more curved or angular forms 130, 132.

[0055] The first and second front cut 112, 114 extends in a third direction 134, 136 towards the rear end 128 so that the third direction 134, 136 diverges from the second direction 124, 126 towards the first and second side edge 116, 118 where the first and second front cut 112, 114 extends from. The third direction 134 of the first front cut 112 diverges towards the first side edge 116, and the third direction 136 of the second front cut 114 diverges towards the second side edge 118.

[0056] The first and second front cut 112, 114 may be arranged to the front half of the protective shell 102 when dividing the front and rear of the protective shell 102 with a center line.

[0057] The rear section 106 is formed by a first and a second rear cut 138, 140 extending respectively from the first and second side edge 116, 118 of the protective shell 102. The first rear cut 138 extends from the first side edge 116 of the protective shell 102 and the second rear cut 140 extends respectively from the second side edge 118 of the protective shell 102. The first and second rear cut 138, 140 extends in a first direction 142, 144 towards the opposite side of the protective shell 102, and in a second direction 146, 148 towards the front end 149 of the protective shell 102. The first direction 142, 144 may comprise one or more curved or angular forms 150, 151.

[0058] The first and second rear cut 138, 140 extends in a third direction 152, 154 towards the front end 149 so that the third direction 152, 154 diverges from the second direction 146, 148 towards the first and second side edge 116, 118 where the first and second rear cut 138, 140 extends from. The third direction 152 of the first rear cut 138 diverges towards the first side edge 116, and the third direction 154 of the second rear cut 140 diverges towards the second side edge 118.

[0059] The first and second rear cut 138, 140 may be arranged to the rear half of the protective shell 102 when dividing the front and rear of the protective shell 102 with a center line.

[0060] The front section 104 comprises a first and second front wing section 156, 158. The rear section 106 comprises a first and second rear wing 160, 162.

[0061] The first and second front cuts 112, 114 may be essentially symmetrical. The first and second rear cuts 138, 140 may be essentially symmetrical. The first and second front cuts 112, 114 may be essentially symmetrical with the first and second rear cuts 138, 140 so that the rear cuts are mirrored to the front cuts.

[0062] The first and second side section 108, 110 is formed by the front and rear cuts 112, 114, 138, 140. The first side section 108 is formed by the first front cut 112 and the first rear cut 138. Respectively, the second side section 110 is formed by the second front cut 114 and the second rear cut 140.

[0063] The protective shell 102 may comprise four inlets 164a-d arranged in the front section 104 of the protective shell 102 and eight outlets 166a-d, 168a-d arranged in the rear half of the protective shell 102. The outlets 166a-d, 168a-d may be formed as louvres, for example.

[0064] The inlets 164a-d may be arranged substantially at the same height in line so that they cover a significant portion of the width of the protective shell 102. Thus, air may enter in the front of the headgear across the width of the inlets 164a-d.

[0065] The outlets 166a-d, 168a-d may be arranged successively in a first and second line 170, 172 in the rear half of the protective shell 102. The first line 170 may comprise four outlets 166a-d arranged successively in line. The second line 172 may comprise four outlets 168a-d arranged successively in line.

[0066] The first and second line of outlets 170, 172 may be arranged respectively on a first and second side 174, 176 of the protective shell 102. The first and second lines of outlets 170, 172 may be arranged so that one outlet in each line is arranged substantially at the same height. The first and second lines of outlets 170, 172 may be arranged at a distance from each other.

[0067] Sections of ventilation holes 178a-d may be arranged to the first and second side 174, 176 of the protective shell 102. Four sections of ventilation holes 178a-d may be arranged on the first side 174 and four sections of ventilation holes 179ad may be arranged on the second side of the protective shell 102.

[0068] The protective shell 102 may be made of high-density polyethylene (HDPE) plastic, polycarbonate, polyamide (e.g. Nylon 6), polyoxymethylene (POM) or acrylonitrile butadiene styrene (ABS) for example.

[0069] Referring to FIGS. 10-22, the protective headgear 200 comprises a protective shell 102 and an insert 280.

[0070] The protective shell 102 may comprise attachment means such as two front attachment holes 182a, 182b and one rear attachment hole 182c for attaching the insert 280 to the protective shell 102.

[0071] Respectively, the insert 280 may comprise attachment means such as two front protrusions 284a, 284b and one rear protrusion 284c for attaching the insert 280 in the two front attachment holes 182a, 182b and one rear attachment hole 182c of the protective shell 102. The front and rear protrusions 284a-c may be fitted so that the protrusions attach with the front and rear attachment holes 182a-c of the protective shell 102. Thus, the insert 240 may be attached on the inside of the protective shell 102.

[0072] The insert 280 comprises four channels 286a-d to guide air from the inlets 164a-d of the protective shell 102 to the outlets 166a-d, 168a-d of the protective shell 102. The channels 286a-d may be arranged so that the channels align with the inlets 164a-d of the protective shell 102. Each channel 286a-d connects with one inlet 164a-d. Further, the channels 286a-d may be arranged so that two channels 286a, 286b connect with a first outlet 288a of the insert 280. Similarly, two further channels 286c, 286d may connect with a second outlet 290a of the insert 280.

[0073] The channels 286a-d form a passage between the insert 280 and the protective shell 102 for air flow. The channels 286a-d may be arranged as grooves in the insert 280.

[0074] The insert 280 comprises eight outlets 288a-d, 290a-d. The outlets 288a-d, 290ad of the insert 280 may be arranged so that the outlets of the insert align with the outlets 166a-d, 168a-d of the protective shell 102. The outlets 288a-d, 290a-d of the insert 280 may be arranged successively in a first and second line 292a, 292b. The first line 292a may comprise four outlets 288a-d arranged successively in line. The second line 292b may comprise four outlets 290a-d arranged successively in line.

[0075] Additionally, the channels 286a-d may comprise holes 294a-h to provide further ventilation in the protective headgear.

[0076] The insert 280 may be made of polypropylene foam, polystyrene foam or polyurethane foam, for example.

[0077] The protective shell 102 may have a height of approximately 119.5 mm, a width of approximately 168.8 mm, and a length of approximately 206.2 mm. Referring to FIG. 8, the protective shell 102 may have a thickness of approximately 2 mm. The thickness may vary in different parts of the protective shell 102. In some parts of the protective shell 102 the thickness may be 1.14 mm, 1.2 mm or 1.5 mm, for example.

[0078] The insert 280 may have a height of approximately 99.1 mm, a width of approximately 126.6. mm, and a length of approximately 207.8 mm. Referring to FIG. 22, the insert 280 may have a thickness of approximately 9.2 mm. The thickness may vary in different parts of the insert 140.

[0079] Referring to figure, 12, the insert 280 and the protective shell 102 may form a thickness of approximately 11.5 mm when attached together. The thickness may vary in different parts of the protective headgear 200.

[0080] Consequently, a skilled person may on the basis of this disclosure and general knowledge apply the provided teachings in order to implement the scope of the present invention as defined by the appended claims in each particular use case with necessary modifications, deletions, and additions.