Patent US4397047A successfully refreshed from Google Patents.
US4397047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the controlled lifting of helmet visors and the like
Assignee: Individual
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Filing: 1981-07-08
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Granted: 1983-08-09
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Expires: 2001-07-08
Abstract
Abstract The device (FIG. 1) is provided in combination with helmet A and related vizor B, with a box shaped gear and pinion assembly 10, secured by pin 12 to helmet A. A gear wheel 14, secured to side wall A of the helmet, engages, via pinion 20 held by gear and pinion assembly 10, with a sector gear (rack) 24 also secured to said gear and pinion assembly which is torsionally connected to the end of vizor B. When assembly 10 is caused to oscillate in the clockwise direction to lift vizor B, a complementary counter-clockwise oscillation is imparted to same to permit complete lifting of the vizor, so that its top edge may approach and fit tightly over the surface of helmet A.
Inventors
- 👤 Pier L. Nava
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:30
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/221; A42B3/222
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
83 words
Device to effect controlled lifting of the visors of helmets and similar headgear, in particular in-built visors, comprising a pair of gear and pinion assemblies to connect movably the ends of a visor to a helmet and actuating means in at least one of the elements of the pair of gear and pinions assemblies, operatively securable to the helmet and visor, to impart to the visor a complementary oscillation during its lifting in order to set it closer to the helmet outer surface.
Claim 2
Dependent Claim
83 words
Device to effect controlled lifting of the visors of helmets and similar headgear, in particular in-built visors, comprising a pair of gear and pinion assemblies to connect movably the ends of a visor to a helmet and actuating means in at least one of the elements of the pair of gear and pinions assemblies, operatively securable to the helmet and visor, to impart to the visor a complementary oscillation during its lifting in order to set it closer to the helmet outer surface.
Claim 3
Dependent Claim
66 words
Device according to claim 1, wherein said gear and pinion assembly includes pins connected to each other by the kinematic train in said gear and pinion assembly, said assembly consisting at least in part of rotating elements relating to said asssembly, so that any angular movement imparted to the gear and pinion assembly in a given direction will correspond to an equivalent shifting of the visor.
Claim 4
Dependent Claim
34 words
Device according to claim 1 or claim 2 wherein said gear and pinion assembly is at least in part box-shaped to house at least a part of the kinematic train relevant to said pins.
Claim 5
Dependent Claim
62 words
Device according to claim 2, wherein one of said pins of said gear and pinion assembly is secured to one end of said assembly and engages rotatably in a bushing securable to the wall of said helmet, said bushing being provided with a flange forming the first element of the kinematic train which houses said pins of said gear and pinion assembly.
Claim 6
Dependent Claim
57 words
Device according to claim 1 or claim 2, wherein said gear and pinion assembly is provided, on its other end, with a disc constituting the last element in the kinematic train which connects pins of the gear and pinion assembly to each other and which disc is provided with a polygonal hub securable torsionally to a visor.
Claim 7
Dependent Claim
39 words
Device according to claim 2, wherein said kinematic train connecting to each other pins of said gear and pinion assembly consists of gear sectors, the first and last of which are firmly holdable by the helmet and visor, respectively.
Claim 8
Dependent Claim
29 words
Device according to claim 2, wherein said gear and pinion assembly is provided, adjacent to its movable end, with a shaped lug which forms a grip for the user.
Claim 9
Dependent Claim
17 words
Helmet, in particular sports helmet, fitted with the actuating device according to claim 1 or claim 2.
Claim 10
Dependent Claim
24 words
Helmet according to claim 8, having ledges on the walls which hingedly support said visor to house the two lifting devices for the visor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-08 | 1987-02-07 | 1987-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-08 | 1991-02-07 | 1991-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-08 | 1995-02-07 | 1995-08-09 | $7700.00 | Window Closed / Lapsed |