US3294390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension means
Assignee: Mack Trucks Inc
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Filing: 1965-02-11
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Granted: 1966-12-27
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Harry J Warmkessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:36
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/46; B60G11/465; B60G17/00; B60G17/02; B60G17/027; B60G17/0275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
SUSPENSION MEANS FOR SUPPORTING A FIRST MEMBER RELATIVE TO A SECOND MEMBER UNDER VARIABLE LOAD CONDITIONS, COMPRISING AN ELONGATED LEAF SPRING MEANS SUSCEPTIBLE OF DIFFERENT DEGRESS OF DEFLECTION AND HAVING ONE END PIVOTALLY MOUNTED ABOUT A FIXED POINT ON THE FIRST MEMBER, AN INTERMEDIATE POINT CONNECTED TO THE SECOND MEMBER, AND AN OPPOSITE END ADAPTED TO BE VARIABLY COUPLED TO THE FIRST MEMBER AT A POINT SPACED APART FROM SAID FIXED POINT; A COMPRESSIBLE RESILIENT MEMBER HAVING ONE END CONNECTED TO THE FIRST MEMBER AND AN OPPOSITE END ADAPTED TO BE PIVOTALLY COUPLED TO A PIVOT POINT ON THE FIRST MEMBER; AND CAM MEANS FOR COUPLING SAID OPPOSITE END OF SAID COMPRESSIBLE RESILIENT MEMBER TO SAID PIVOT POINT AND HAVING A CAM SURFACE OF PREDETERMINED CONFIGURATION FOR ENGAGING SAID OPPOSITE END OF SAID LEAF SPRING MEANS AT ONE OF A PLURALITY OF DISTINCT POINTS ALONG SAID CAM SURFACE DEPENDENT UPON THE DEGREE OF DEFLECTION OF SAID SPRING MEANS, WHEREBY THE PROPORTIONATE LOAD APPLIED TO SAID COMPRESSIBLE RESILIENT MEMBER IS A FUNCTION OF THE OVERALL LOAD SUBSTAINED BY THE SUSPENSION MEANS AND THE EDGE OF DEFLECTION OF SAID ELONGATED LEAF SPRING MEANS.
Claim 2
Dependent Claim
191 words
SUSPENSION MEANS FOR SUPPORTING A FIRST MEMBER RELATIVE TO A SECOND MEMBER UNDER VARIABLE LOAD CONDITIONS, COMPRISING AN ELONGATED LEAF SPRING MEANS SUSCEPTIBLE OF DIFFERENT DEGRESS OF DEFLECTION AND HAVING ONE END PIVOTALLY MOUNTED ABOUT A FIXED POINT ON THE FIRST MEMBER, AN INTERMEDIATE POINT CONNECTED TO THE SECOND MEMBER, AND AN OPPOSITE END ADAPTED TO BE VARIABLY COUPLED TO THE FIRST MEMBER AT A POINT SPACED APART FROM SAID FIXED POINT; A COMPRESSIBLE RESILIENT MEMBER HAVING ONE END CONNECTED TO THE FIRST MEMBER AND AN OPPOSITE END ADAPTED TO BE PIVOTALLY COUPLED TO A PIVOT POINT ON THE FIRST MEMBER; AND CAM MEANS FOR COUPLING SAID OPPOSITE END OF SAID COMPRESSIBLE RESILIENT MEMBER TO SAID PIVOT POINT AND HAVING A CAM SURFACE OF PREDETERMINED CONFIGURATION FOR ENGAGING SAID OPPOSITE END OF SAID LEAF SPRING MEANS AT ONE OF A PLURALITY OF DISTINCT POINTS ALONG SAID CAM SURFACE DEPENDENT UPON THE DEGREE OF DEFLECTION OF SAID SPRING MEANS, WHEREBY THE PROPORTIONATE LOAD APPLIED TO SAID COMPRESSIBLE RESILIENT MEMBER IS A FUNCTION OF THE OVERALL LOAD SUBSTAINED BY THE SUSPENSION MEANS AND THE EDGE OF DEFLECTION OF SAID ELONGATED LEAF SPRING MEANS.
References Cited (Backward Citations)
US2902275A
Cited
US3063732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |