Patent US3466153A successfully refreshed from Google Patents.
Patent US3222082A successfully refreshed from Google Patents.
US3222082A
Expired / Lapsed
US
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Tandem suspensions
Assignee: A J Industries Inc
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Filing: 1963-10-08
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Granted: 1965-12-07
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 John E Raidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:00
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/047; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A TANDEM SUSPENSION OF THE KIND DESCRIBED WHEREIN THE TANDEM SUSPENSION IS ADAPTED TO BE SECURED TO THE FRAME OF A VEHICLE AND WHEREIN ELONGATED SPRING MEANS HAVE ADJACENT INNER ENDS THEREOF ENGAGING AN EQUALIZER BEAM, AN EQUALIZER BRACKET FOR ATTACHMENT TO THE FRAME OF THE VEHICLE, A SHAFT MEANS IN SAID BRACKET FOR PIVOTALLY MOUNTING SAID EQUALIZER BEAM; RESILIENT BEARING MEANS ON SAID SHAFT MEANS FOR SUPPORTING SAID EQUALIZER BEAM FOR OSCILLATORY MOVEMENT WITHIN SAID SUPPORTING BRACKET; SHAFT SUPPORTING BEARINGS DISPOSED IN SAID EQUALIZER SUPPORTING BRACKET AND SUPPORTING SAID SHAFT MEANS FOR TURNING MOVEMENT, SAID SHAFT SUPPORTING BEARINGS HAVING INNER ENDS ADAPTED TO BE ABUTTED AGAINST OPPOSED ENDS OF SAID EQUALIZER SUPPORTING BEARINGS TO LOAD SAID EQUALIZER SUPPORTING BEARING MEANS WITH PREDETERMINED COMPRESSION FORCES; AND A BEARING SEPARATING MEANS OF A LOWER FRICTION MATERIAL THAN THE RESILIENT BEARING MATERIAL DISPOSED BETWEEN AND SECURED TO EACH OF THE OPPOSED ENDS OF SAID SUPPORTING BEARING MEANS AND SAID SHAFT SUPPORTING BEARING MEANS.
Claim 2
Dependent Claim
162 words
IN A TANDEM SUSPENSION OF THE KIND DESCRIBED WHEREIN THE TANDEM SUSPENSION IS ADAPTED TO BE SECURED TO THE FRAME OF A VEHICLE AND WHEREIN ELONGATED SPRING MEANS HAVE ADJACENT INNER ENDS THEREOF ENGAGING AN EQUALIZER BEAM, AN EQUALIZER BRACKET FOR ATTACHMENT TO THE FRAME OF THE VEHICLE, A SHAFT MEANS IN SAID BRACKET FOR PIVOTALLY MOUNTING SAID EQUALIZER BEAM; RESILIENT BEARING MEANS ON SAID SHAFT MEANS FOR SUPPORTING SAID EQUALIZER BEAM FOR OSCILLATORY MOVEMENT WITHIN SAID SUPPORTING BRACKET; SHAFT SUPPORTING BEARINGS DISPOSED IN SAID EQUALIZER SUPPORTING BRACKET AND SUPPORTING SAID SHAFT MEANS FOR TURNING MOVEMENT, SAID SHAFT SUPPORTING BEARINGS HAVING INNER ENDS ADAPTED TO BE ABUTTED AGAINST OPPOSED ENDS OF SAID EQUALIZER SUPPORTING BEARINGS TO LOAD SAID EQUALIZER SUPPORTING BEARING MEANS WITH PREDETERMINED COMPRESSION FORCES; AND A BEARING SEPARATING MEANS OF A LOWER FRICTION MATERIAL THAN THE RESILIENT BEARING MATERIAL DISPOSED BETWEEN AND SECURED TO EACH OF THE OPPOSED ENDS OF SAID SUPPORTING BEARING MEANS AND SAID SHAFT SUPPORTING BEARING MEANS.
References Cited (Backward Citations)
US2308967A
Cited
US3117799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |