Patent US4736486A successfully refreshed from Google Patents.
US4736486A
Expired / Lapsed
US
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Connecting device for a pantograph wiper arm
Assignee: Champion Spark Plug Europe SA
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Filing: 1986-08-01
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Granted: 1988-04-12
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Expires: 2006-08-01
Abstract
Abstract A connecting device for a pantograph-type wiper system wherein the connecting device comprises an actuating arm, a first element for rotatably mounting a wiper blade to the actuating arm, a control arm and a second element for connecting the first element to the control arm. The second element is elongate and has at least a portion that is flexible so as to simulate the action of a ball-joint.
Inventors
- 👤 Christian Beneteau
- 👤 Alain Henrion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:05
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/40; B60S1/34; B60S1/3402; B60S1/3409; B60S1/4006
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
134 words
A connecting device for a wiper system, said connecting device comprising: an actuating arm (1) having a front end, a first element (3,13) for attaching a wiper blade to the front end of the actuating arm, said connecting device further comprising a second element (6,16), and a control arm (2, 12) having a front end which is fixedly attached to said second element (6, 16), which in turn is fixedly attached to said first element (3,13), said second element (6, 16) characterized in that said second element (6, 16) is made of a flexible material and said second element has an elongate form with a central portion (6", 16"), said central portion having a substantially circular cross section which flexes to permit universal relative movement between the control arm (2,12) and first element (3,13).
Claim 2
Dependent Claim
134 words
A connecting device for a wiper system, said connecting device comprising: an actuating arm (1) having a front end, a first element (3,13) for attaching a wiper blade to the front end of the actuating arm, said connecting device further comprising a second element (6,16), and a control arm (2, 12) having a front end which is fixedly attached to said second element (6, 16), which in turn is fixedly attached to said first element (3,13), said second element (6, 16) characterized in that said second element (6, 16) is made of a flexible material and said second element has an elongate form with a central portion (6", 16"), said central portion having a substantially circular cross section which flexes to permit universal relative movement between the control arm (2,12) and first element (3,13).
Claim 3
Dependent Claim
36 words
A device according to claim 1, characterized in that in its central portion (6", 16") said second element (6, 16) has a cross-section (6a, 16a) substantially smaller than at its two extremities (6', 6"; 16', 16").
Claim 4
Dependent Claim
30 words
A device according to claim 1 or 2, characterized in that said second element (16) is removably, fixedly attached to said first element (13) by a snap-on system (13c, 16d).
Claim 5
Dependent Claim
32 words
A device according to claim 1, characterized in that said second element (6, 16) is removably, fixedly attached to the front end of the conrol arm (2, 12) by a snap-on system.
Claim 6
Dependent Claim
39 words
A device according to claim 1, characterized in that the rear end of the control arm (2, 12) is attached to its driving mechanism (7) by means of an element which is identical with said second element (6, 16).
Claim 7
Dependent Claim
19 words
A device according to claim 1, characterized in that said second element (6, 16) is made of an elastomer.
Claim 8
Dependent Claim
20 words
A device according to claim 6, characterized in that said second element (6, 16) is made of a polyester elastomer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-12 | 1991-10-12 | 1992-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-12 | 1995-10-12 | 1996-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-12 | 1999-10-12 | 2000-04-12 | $7700.00 | Window Closed / Lapsed |