Claims
- 1. A crash helmet for sports, comprising a supporting cap (2), being designed to be worn on the top of the head, and an outer cap (3), designed to fit on top of the supporting cap (2) and be connected to the latter; said supporting cap (2) having a plurality of first through holes (5-9) in a surface substantially opposite an inner surface of the outer cap (3), and the outer cap having, at a zone being at the front when in use, at least one second hole (18, 19, 20) for entry of air; each of said caps having a rear zone and the rear zones of the caps defining at least one first passage (28) defining a path for the exiting of air, characterized in that said at least one first passage (28) has first, second and third successive portions spaced apart along the path, each portion has a cross-section, the second portion is interposed between the first and third portions and the cross-section of the second portion is smaller than the cross-sections of the first and third portions of the first passage.
- 2. The crash helmet according to claim 1, characterized in that the outer cap (3) has a plurality of second holes (18, 19, 20); the rear zones of the caps (2, 3) together defining a number of said first passages (27, 28, 29) for exiting of the air.
- 3. The crash helmet according to claim 2, characterised in that there are three second holes (18, 19, 20) and first passages (27, 28, 29).
- 4. The crash helmet according to claim 3, characterised in that a second hole (19) is located at the centre of a front zone of the outer cap (3); there being two more second holes (18, 20) on opposite sides of the second hole (19).
- 5. The crash helmet according to claim 1, characterized in that, where they make contact with one another at the front of the crash helmet (1), the supporting cap (2) and outer cap (3) define another hole (26) communicating with a hole (9) in the supporting cap through a groove (24) in the outer cap (3).
- 6. The crash helmet according to claim 1, characterised in that the supporting cap (2) has at least one third hole (11), being located in a rear zone of the supporting cap below the first passages (27, 28, 29).
- 7. The crash helmet according to claim 6, characterised in that there are three third holes (11).
- 8. The crash helmet according to claim 1, characterised in that, at the surface substantially opposite the inner surface of the outer cap (3), the supporting cap (2) has a plurality of recesses (12); said inner surface of the outer cap (3) having a plurality of projections (23) designed to fit into the recesses (12).
- 9. The crash helmet according to claim 1, characterised in that, if observed from the front, the outer cap (3) has a three-lobed shape.
- 10. The crash helmet according to claim 1, characterised in that when the crash helmet (1) is assembled, the supporting cap (2) and outer cap (3) are permanently connected to one another.
Priority Claims (1)
Number |
Date |
Country |
Kind |
B098A0297 |
May 1998 |
IT |
|
Parent Case Info
The present application is the national stage under 35 U.S.C. 371 of PCT/IB99/00824, filed May 7, 1999.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/IB99/00824 |
|
WO |
00 |
11/7/2000 |
11/7/2000 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO99/46095 |
11/18/1999 |
WO |
A |
US Referenced Citations (9)
Foreign Referenced Citations (4)
Number |
Date |
Country |
8525295.6 |
Sep 1985 |
DE |
5-44102 |
Feb 1993 |
JP |
WO 9105489 |
May 1991 |
WO |
WO 9846095 |
Oct 1998 |
WO |