Patent US3889002A successfully refreshed from Google Patents.
EP0477150A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
An integral motorcyclist helmet provided with means for preventing fogging of the visor thereof
Assignee: Individual
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Filing: 1991-09-18
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Granted: —
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Expires: 2011-09-18
Abstract
Abstract There is described herein an integral motorcyclist helmet which is provided with means adapted to prevent fogging of the visor (10) thereof. The above means include substantially an air passage (6) provided inside the helmet, at the top edge of the opening thereof, and substantially defined by the opposed edges of the rigid material outer cap (A) and of the shock absorbing material inner cap (B). Passage (6), which is supplied with air entering through an air intake (8) located on the helmet chinpiece (M), is in communication with channels (5) provided on inner cap (B), which are terminated inside a vacuum collection chamber (2) from which air and humidity are drawn out of the helmet through openings (15) provided in outer cap (A).
Inventors
- 👤 Pier Luigi Nava
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 03:20
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/24
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
224 words
An integral motorcyclist helmet substantially comprising an outer cap (A) of rigid material to the inside of which there is fastened an inner cap (B) of a soft material, provided on the inner surface thereof with an air permeable lining (9), characterized in that, at the upper edge of the opening where the helmet visor (10) is mounted, there is provided, on the inside thereof, an air passage (6) for air which is fed from outside the helmet through at least one air intake (8) provided on the helmet chinpiece (M), said passage (6) communicating with a number of channels (5) for exhausting air from the visor area (10), provided on the upper surface of the soft material inner cap (B), the upstream end of which is communicated with said passage (6), while the opposite end joins a vacuum collection chamber (2) located in the top area of the helmet and provided in the soft material cap (B) and bound, on the upper side thereof, by the rigid material cap (A) which is provided with air exhaust openings 15, on the outside of the helmet, both for the air coming from the visor area (10) and for the air coming from the user's head, which flow together into chamber (2) through at least one more opening (14) provided on the bottom of chamber (2).
Claim 2
Dependent Claim
36 words
The integral helmet of claim 1, characterized in that each of the air exhaust channels (5) is closed on the top thereof by the inner surface of outer cap (A) contacting the edges of said channels.
Claim 3
Dependent Claim
53 words
The integral helmet of claim 1, characterized in that each of the air exhaust channels (5) has projecting edges (13) whose height is slightly higher than that of channels (5), and which make a slight pressure contact against the inner surface of cap (A), in order to make said channels (5) perfectly tight.
Claim 4
Dependent Claim
73 words
The integral helmet ot claim 2, characterized in that at openings (14) of chamber (2), for exhausting the air coming from the head area, there is provided a valve (16) for controlling the degree of opening of said openings (14), in order to enable a complete closure thereof, thereby increasing the amount of air that, after flowing in through the front portion of the helmet, is exhausted through openings (15) of cap (A).
Claim 5
Dependent Claim
45 words
The integral helmet of claim 4, characterized in that said valve has a number of substantially diverging arms (17) equal to the number of openings (14), and it is rotated through the action of a knob (18) whose actuating portion is located outside the helmet.
Claim 6
Dependent Claim
44 words
The integral helmet of claim 1, characterized in that on passage (6) for air coming from air intake (8) provided on the helmet chinpiece, there is mounted a grating (7) having openings adapted to enable the air to be conveyed towards exhaust channels (5).
Claim 7
Dependent Claim
25 words
The integral helmet of claims 1 to 6, characterized in that passage (6) and grating (7) extend substantially over the whole width of visor (10).
Claim 8
Dependent Claim
31 words
The integral helmet of claim 6, characterized in that air intake grating (7) is made of a soft material and is directly fastened onto padding (9) of inner cap (B) .
References Cited (Backward Citations)
No citation records indexed.
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