Patent US3867737A successfully refreshed from Google Patents.
US3867737A
Expired / Lapsed
US
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Molded plastic support for wiper blades of windscreen wiper equipment on motor vehicle
Assignee: Arman SpA
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Filing: 1973-05-10
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Granted: 1975-02-25
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Expires: 1993-05-10
Abstract
Abstract A molded plastic support for windshield wiper blade having articulate coupling between the connecting member and main bar of the support as well as between the ends of the bar and the central point of each rocker arm, and metal plates engaging corresponding transversal seats which coincide and are formed in the articulation points.
Inventors
- 👤 Dario Arman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:45
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3801; B60S1/40; B60S1/4038; B60S1/4064; B60S1/4083; B60S1/4087; B60S2001/3812; B60S2001/3813; B60S2001/3815
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
67 words
Support made of molded plastic, for wiper blades of windscreen wiper equipments on motor vehicles, characterized in that the articulate coupling between the connecting member and the main bar of the support as well as between the ends of the bar and the central point of each rocker arm, is provided by metal plates engaging corresponding transversal seats which are coinciding and formed in the articulation points.
Claim 2
Dependent Claim
67 words
Support made of molded plastic, for wiper blades of windscreen wiper equipments on motor vehicles, characterized in that the articulate coupling between the connecting member and the main bar of the support as well as between the ends of the bar and the central point of each rocker arm, is provided by metal plates engaging corresponding transversal seats which are coinciding and formed in the articulation points.
Claim 3
Dependent Claim
41 words
Support according to claim 1, characterized in that the metal plates which substitute the articulation pins are arcuated and work in the seats of the internal parts, while they are fixedly fitted in the corresponding arcuated seats of the external parts.
Claim 4
Dependent Claim
58 words
Support according to claim 1, characterized in that the articulation plates are flat and fixedly fitted in corresponding seats, with a rectangular outline, formed in the external parts while they result freely oscillable with respect to seats, having an outline with two opposed tips, formed in the inner parts which are articulate with respect to the external parts.
Claim 5
Dependent Claim
47 words
Support for wiper blades according to claim 1, wherein all the components, except the articulation plates and the lamina backing the rubber blade, are made of molded plastic and the principal bar with the rocker arms have a cross section substantially elliptical and variable, with stiffening ribs.
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) | 1978-02-24 | 1978-08-26 | 1979-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-24 | 1982-08-26 | 1983-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-24 | 1986-08-26 | 1987-02-25 | $7700.00 | Window Closed / Lapsed |