Patent US3315978A successfully refreshed from Google Patents.
US3315978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axle lift (radius rod)
Assignee: Fruehauf Corp
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Filing: 1965-03-04
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Granted: 1967-04-25
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Chieger George
- 👤 Adrian F Hulverson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:33
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/12; B62D61/125; B60; B60G; B60G5/00; B60G5/04; B60G5/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A WHEEL SUSPENSION FOR A HEAVY DUTY VEHICLE COMPRISING A FRAME, AN AXLE, A RIGID BRACKET FIXED RELATIVE TO SAID AXLE, ROAD WHEELS SUPPORTED AT EACH END OF SAID AXLE, SPRING MEANS FOR SUPPORTING SAID AXLE WITH RESPECT TO SAID FRAME, A RADIUS ROD FOR LOCATING SAID AXLE, MEANS PIVOTALLY CONNECTING ONE END OF SAID RADIUS ROD DIRECTLY TO SAID RIGID BRACKET, MEANS PIVOTALLY CONNECTING ANOTHER PORTION OF SAID RADIUS ROD RELATIVE TO SAID FRAME FOR LOCATING SAID AXLE LONGITUDINALLY RELATIVE TO SAID FRAME, AND AN INFLATABLE AIR BAG OPERATIVELY ENGAGING SAID FRAME AND AN EXTENSION OF SAID RADIUS ROD FOR ADJUSTING THE ANGULAR RELATIONSHIP BETWEEN SAID RADIUS ROD AND SAID FRAME TO ADJUST THE SPACING BETWEEN SAID AXLE AND SAID FRAME, SAID AIR BAG BEING INFLATABLE FROM A COLLAPSED POSITION WHEREIN SAID ROAD WHEELS ENGAGE THE ROAD TO AN INFLATED POSITION WHEREIN SAID ROAD WHEELS ARE SPACED FROM THE ROAD.
Claim 2
Dependent Claim
151 words
A WHEEL SUSPENSION FOR A HEAVY DUTY VEHICLE COMPRISING A FRAME, AN AXLE, A RIGID BRACKET FIXED RELATIVE TO SAID AXLE, ROAD WHEELS SUPPORTED AT EACH END OF SAID AXLE, SPRING MEANS FOR SUPPORTING SAID AXLE WITH RESPECT TO SAID FRAME, A RADIUS ROD FOR LOCATING SAID AXLE, MEANS PIVOTALLY CONNECTING ONE END OF SAID RADIUS ROD DIRECTLY TO SAID RIGID BRACKET, MEANS PIVOTALLY CONNECTING ANOTHER PORTION OF SAID RADIUS ROD RELATIVE TO SAID FRAME FOR LOCATING SAID AXLE LONGITUDINALLY RELATIVE TO SAID FRAME, AND AN INFLATABLE AIR BAG OPERATIVELY ENGAGING SAID FRAME AND AN EXTENSION OF SAID RADIUS ROD FOR ADJUSTING THE ANGULAR RELATIONSHIP BETWEEN SAID RADIUS ROD AND SAID FRAME TO ADJUST THE SPACING BETWEEN SAID AXLE AND SAID FRAME, SAID AIR BAG BEING INFLATABLE FROM A COLLAPSED POSITION WHEREIN SAID ROAD WHEELS ENGAGE THE ROAD TO AN INFLATED POSITION WHEREIN SAID ROAD WHEELS ARE SPACED FROM THE ROAD.
References Cited (Backward Citations)
US3201141A
Cited
US3178201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |