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US4070712A Expired / Lapsed US ⏱️ 0.0 years remaining

Clear window for protective helmets

Assignee: Bayerische Motoren Werke AG
•
Filing: 1976-09-16
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Granted: 1978-01-31
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Expires: 1996-09-16
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Abstract

Abstract A clear window shield for protective helmets, especially for the users of motor vehicles, whereby the window shield is detachably connected with the protective helmet and is made of laminated glass, which extends over the entire field of vision of the window shield; the window shield abuts indirectly or directly at the edge area of the window aperture of the protective helmet.

Inventors

  • 👤 Hans-Gunther v. d. Marwitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:40
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/221

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 100 words
A window shield for protective helmets, especially for the users of motor vehicles, which includes a window aperture provided in the helmet and window means made of laminated glass which extends substantially over the entire field of vision of the window shield, characterized in that the window means is mounted within an elastic mounting support means which abuts at the edge area of the window aperture provided in the protective helmet so that the window means overlaps the edge area of the window aperture, and frame means joined to said support and detachably connecting said window means to said helmet.
Claim 2
Dependent Claim 100 words
A window shield for protective helmets, especially for the users of motor vehicles, which includes a window aperture provided in the helmet and window means made of laminated glass which extends substantially over the entire field of vision of the window shield, characterized in that the window means is mounted within an elastic mounting support means which abuts at the edge area of the window aperture provided in the protective helmet so that the window means overlaps the edge area of the window aperture, and frame means joined to said support and detachably connecting said window means to said helmet.
Claim 3
Dependent Claim 18 words
A window according to claim 1, characterized in that the frame is rigidly secured at the protective helmet.
Claim 4
Dependent Claim 18 words
A window according to claim 1, characterized in that the frame is pivotally secured at the protective helmet.
Claim 5
Dependent Claim 42 words
A window according to claim 1, characterized in that said elastic mounting support means includes an inner cheek, and the window means sealingly abuts together with the inner cheek of the elastic mounting support means at the outside of the protective helmet.
Claim 6
Dependent Claim 45 words
A window according to claim 4, characterized in that said elastic mounting support means is endless and has an essentially H-shaped cross-sectional profile forming sealing legs and an outwardly pointing aperture, said frame means engaging in said outwardly pointing aperture of the H-shaped cross-sectional profile.
Claim 7
Dependent Claim 40 words
A window according to claim 5, characterized in that the frame means is made of a material selected from the group consisting of metal and synthetic plastic material which is more rigid than the material forming said mounting support means.
Claim 8
Dependent Claim 25 words
A window according to claim 1, characterized in that the elastic mounting support means is provided with an inwardly disposed aperture receiving the laminated glass.
Claim 9
Dependent Claim 27 words
A window according to claim 7, characterized in that the elastic mounting support means and the frame connected therewith are made as a one-piece synthetic resinous part.
Claim 10
Dependent Claim 24 words
A window according to claim 8, characterized in that the frame is made of slightly harder synthetic resinous material than the mounting support means.
Claim 11
Dependent Claim 37 words
A window according to claim 4, characterized in that the elastic mounting support means is provided within the area of its inner cheek with several sealing lips for abutment at the outer surface of the protective helmet.
Claim 12
Dependent Claim 50 words
A window according to claim 10, characterized in that the elastic mounting means is provided at its exterior surface outside of at least the two lateral areas of the window means with a number of water drainage grooves which extend pointing away from the window means in the outward direction.
Claim 13
Dependent Claim 31 words
A window according to claim 11, characterized in that at least the sealing lips of the elastic support means which abut externally at the window means have a wedge-shaped cross-sectional profile.
Claim 14
Dependent Claim 38 words
A window shield according to claim 5, characterized in that the two outwardly disposed sealing legs of the elastic mounting support means with H-shaped cross-sectional profile are provided each with a wedge-shaped cross-sectional profile in their end areas.
Claim 15
Dependent Claim 32 words
A window shield according to claim 5, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is convexly constructed within the area of the outwardly disposed sealing legs.
Claim 16
Dependent Claim 38 words
A window shield according to claim 5, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is convexly constructed within the area of the outwardly disposed sealing legs and has an undulated outer wall.
Claim 17
Dependent Claim 38 words
A window shield according to claim 5, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is constructed ridged within the area of the outwardly disposed sealing legs and has an undulated outer wall.
Claim 18
Dependent Claim 36 words
A window shield according to claim 5, characterized in that a filler strip means is inserted into the H-shaped cross-sectional profile of the elastic mounting support means within the area of the outwardly disposed sealing legs.
Claim 19
Dependent Claim 25 words
A window shield according to claim 5, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means has an undulated inner cheek.
Claim 20
Dependent Claim 20 words
A window shield according to claim 1, characterized in that the laminated glass is provided with a colored intermediate film.
Claim 21
Dependent Claim 20 words
A window shield according to claim 1, characterized in that the laminated glass is provided with a transparent intermediate film.
Claim 22
Dependent Claim 46 words
A window according to claim 20, characterized in that the endless elastic mounting support means has an essentially H-shaped cross-sectional profile provided with two outwardly disposed sealing legs and an outwardly pointing aperture, the frame engaging in said outwardly pointing aperture of the H-shaped cross-sectional profile.
Claim 23
Dependent Claim 38 words
A window shield according to claim 21, characterized in that the two outwardly disposed sealing legs of the elastic mounting support means with H-shaped cross-sectional profile are provided each with a wedge-shaped cross-sectional profile in their end areas.
Claim 24
Dependent Claim 32 words
A window shield according to claim 21, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is convexly constructed within the area of the outwardly disposed sealing legs.
Claim 25
Dependent Claim 38 words
A window shield according to claim 21, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is convexly constructed within the area of the outwardly disposed sealing legs and has an undulated outer wall.
Claim 26
Dependent Claim 38 words
A window shield according to claim 21, characterized in that the H-shaped cross-sectional profile of the elastic mounting support means is constructed ridged within the area of the outwardly disposed sealing legs and has an undulated outer wall.
Claim 27
Dependent Claim 36 words
A window shield according to claim 21, characterized in that a filler strip means is inserted into the H-shaped cross-sectional profile of the elastic mounting support means within the area of the outwardly disposed sealing legs.
Claim 28
Dependent Claim 31 words
A window according to claim 7, characterized in that at least the sealing leg of the elastic support means which abuts externally at the window means has a wedge-shaped crosssectional profile.
Claim 29
Dependent Claim 43 words
A window according to claim 7, characterized in that elastic mounting support means includes an inner cheek, and in that the window means sealingly abuts together with the inner cheek of the elastic mounting support means at the outside of the protective helmet.
Claim 30
Dependent Claim 37 words
A window according to claim 28, characterized in that the elastic mounting support means is provided within the area of its inner cheek with several sealing lips for abutment at the outer surface of the protective helmet.
Claim 31
Dependent Claim 50 words
A window according to claim 7, characterized in that the elastic mounting support means is provided at its exterior surface outside at least the two lateral areas of the window means with a number of water drainage grooves which extend pointing away from the window means in the outward direction.
Claim 32
Dependent Claim 194 words
A window shield for protective helmets, especially for the users of motor vehicles, which includes a window aperture provided in the helmet and window means detachably connected with the protective helmet, characterized in that the window means is made of laminated glass which extends substantially over the entire field of vision of the window shield, the window means abutting at the edge area of the window aperture provided in the protective helmet under interposition of an elastic mounting support means which accommodates the window means and also a frame secured at the protective helmet, said elastic mounting support means including an inner cheek, and the window means sealingly abuting together with the inner cheek of the elastic mounting support means at the outside of the protective helmet, said elastic mounting support means being provided within the area of its inner cheek with several sealing lips for abutment at the outer surface of the protective helmet and being provided at its exterior surface located outside of at least the two lateral areas of the window means with a number of water drainage grooves which extend pointing away from the window means in the outward direction.
Claim 33
Dependent Claim 194 words
A window shield for protective helmets, especially for the users of motor vehicles, which includes a window aperture provided in the helmet and window means detachably connected with the protective helmet, characterized in that the window means is made of laminated glass which extends substantially over the entire field of vision of the window shield, the window means abutting at the edge area of the window aperture provided in the protective helmet under interposition of an elastic mounting support means which accommodates the window means and also a frame secured at the protective helmet, said elastic mounting support means including an inner cheek, and the window means sealingly abuting together with the inner cheek of the elastic mounting support means at the outside of the protective helmet, said elastic mounting support means being provided within the area of its inner cheek with several sealing lips for abutment at the outer surface of the protective helmet and being provided at its exterior surface located outside of at least the two lateral areas of the window means with a number of water drainage grooves which extend pointing away from the window means in the outward direction.

References Cited (Backward Citations)

US2615163A Cited
US2903700A Cited
US2956474A Cited
US3438060A Cited
US3727235A Cited
US3825952A Cited
US3934271A Cited
DE7513464U Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-30 1981-08-01 1982-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-30 1985-08-01 1986-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-30 1989-08-01 1990-01-31 $7700.00 Window Closed / Lapsed

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