Patent US3113334A successfully refreshed from Google Patents.
US3113334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper system
Assignee: Trico Products Corp
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Filing: 1962-01-17
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Granted: 1963-12-10
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sheldon J Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:43
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/16; B60S1/18; B60S1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
265 words
A WINDSHIELD WIPER LINKAGE COMPRISING FIRST AND SECOND ROCKSHAFTS LOCATED PROXIMATE OPPOSITE SIDE PORTIONS OF A WINDSHIELD, FIRST AND SECOND CRANKARMS COUPLED TO SAID FIRST AND SECOND ROCKSHAFTS, RESPECTIVELY, A FIRST ELONGATED LINK HAVING A FIRST END THEREOF PIVOTALLY CONNECTED TO SAID FIRST CRANKARM, A SECOND ELONGATED LINK HAVING A FIRST END THEREOF PIVOTALLY CONNECTED TO SAID SECOND CRANKARM, A THIRD ELONGATED LINK HAVING A FIRST END THEREOF ADAPTED TO BE PIVOTALLY CONNECTED TO THE OUTPUT OF A WIPER MOTOR LOCATED ADJACENT SAID SECOND CRANKARM, A STUB SHAFT JOURNALED FOR ROTATION IN THE CENTRAL AREA BETWEEN SAID FIRST AND SECOND ROCKSHAFTS, A LEVER HAVING CENTRAL PORTION THEREOF MOUNTED ON SAID STUB SHAFT, A FIRST PIVOTAL CONNECTION BETWEEN A FIRST END OF SAID LEVER AND THE SECOND END OF SAID FIRST ELONGATED LINK, A SECOND PIVOTAL CONNECTION BETWEEN SAID SECOND END OF SAID LEVER AND SAID SECOND END OF SAID THIRD ELONGATED LINK, AND A THIRD PIVOTAL CONNECTION BETWEEN SAID SECOND END OF SAID SECOND ELONGATED LINK AND SAID THIRD ELONGATED LINK, SAID THIRD PIVOTAL CONNECTION BEING PROXIMATE TO BUT SPACED FROM SAID SECOND PIVOTAL CONNECTION ALONG SAID THIRD ELONGATED LINK, WHEREBY SAID LOCATION OF SAID STUB SHAFT IN SAID CENTRAL AREA PERMITS SAID FIRST, SECOND, AND THIRD ELONGATED LINKS TO BE RELATIVELY SHORT TO THEREBY MINIMIZE THE DEFLECTION THEREOF DURING OPERATION AND WHEREBY THE LOCATION OF SAID THIRD PIVOTAL CONNECTION BETWEEN SAID SECOND AND THIRD ELONGATED LINKS MINIMIZES THE RELATIVE PIVOTAL MOVEMENT BETWEEN SAID SECOND AND THIRD LINKS, SAID LEVER ALSO CAUSING WIPERS CARRIED BY SAID FIRST AND SECOND ROCKSHAFTS TO OPERATE IN OPPOSED RELATIONSHIP.
Claim 2
Dependent Claim
265 words
A WINDSHIELD WIPER LINKAGE COMPRISING FIRST AND SECOND ROCKSHAFTS LOCATED PROXIMATE OPPOSITE SIDE PORTIONS OF A WINDSHIELD, FIRST AND SECOND CRANKARMS COUPLED TO SAID FIRST AND SECOND ROCKSHAFTS, RESPECTIVELY, A FIRST ELONGATED LINK HAVING A FIRST END THEREOF PIVOTALLY CONNECTED TO SAID FIRST CRANKARM, A SECOND ELONGATED LINK HAVING A FIRST END THEREOF PIVOTALLY CONNECTED TO SAID SECOND CRANKARM, A THIRD ELONGATED LINK HAVING A FIRST END THEREOF ADAPTED TO BE PIVOTALLY CONNECTED TO THE OUTPUT OF A WIPER MOTOR LOCATED ADJACENT SAID SECOND CRANKARM, A STUB SHAFT JOURNALED FOR ROTATION IN THE CENTRAL AREA BETWEEN SAID FIRST AND SECOND ROCKSHAFTS, A LEVER HAVING CENTRAL PORTION THEREOF MOUNTED ON SAID STUB SHAFT, A FIRST PIVOTAL CONNECTION BETWEEN A FIRST END OF SAID LEVER AND THE SECOND END OF SAID FIRST ELONGATED LINK, A SECOND PIVOTAL CONNECTION BETWEEN SAID SECOND END OF SAID LEVER AND SAID SECOND END OF SAID THIRD ELONGATED LINK, AND A THIRD PIVOTAL CONNECTION BETWEEN SAID SECOND END OF SAID SECOND ELONGATED LINK AND SAID THIRD ELONGATED LINK, SAID THIRD PIVOTAL CONNECTION BEING PROXIMATE TO BUT SPACED FROM SAID SECOND PIVOTAL CONNECTION ALONG SAID THIRD ELONGATED LINK, WHEREBY SAID LOCATION OF SAID STUB SHAFT IN SAID CENTRAL AREA PERMITS SAID FIRST, SECOND, AND THIRD ELONGATED LINKS TO BE RELATIVELY SHORT TO THEREBY MINIMIZE THE DEFLECTION THEREOF DURING OPERATION AND WHEREBY THE LOCATION OF SAID THIRD PIVOTAL CONNECTION BETWEEN SAID SECOND AND THIRD ELONGATED LINKS MINIMIZES THE RELATIVE PIVOTAL MOVEMENT BETWEEN SAID SECOND AND THIRD LINKS, SAID LEVER ALSO CAUSING WIPERS CARRIED BY SAID FIRST AND SECOND ROCKSHAFTS TO OPERATE IN OPPOSED RELATIONSHIP.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |