US3178201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axle lift
Assignee: Truck Accessories Inc
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Filing: 1964-09-08
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Granted: 1965-04-13
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Erick G Richnow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/047; B62; B62D; B62D61/00; B62D61/12; B62D61/125; B60G2204/00; B60G2204/40; B60G2204/46; B60G2204/4604; B60G2204/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
AN AXLE LIFT FOR USE WITH A VEHICLE FRAME HAVING AT LEAST TWO PAIRS OF WHEELS ARRANGED IN TANDEM, WHEREIN EACH PAIR OF WHEELS HAS SHOCK-ABSORBING MEANS OPERABLY CONNECTED TO ITS AXLE FOR ABSORBING SHOCK DURING THE NORMAL USE OF THE WHEELS ON THE GROUND, THE IMPROVEMENT RESIDING IN: (A) A PIVOT ARM HAVING A FIRST SECTION AND A SECOND SECTION WITH AN INTERMEDIATE PIVOTAL CONNECTION POINT BETWEEN SAID SECTIONS FOR PIVOTALLY CONNECTING TO SAID VEHICLE FRAME, (B) PIVOT CONNECTION MEANS PIVOTALLY CONNECTING SAID PIVOT ARM TO SAID VEHICLE FRAME AT SAID INTERMEDIATE PIVOTAL CONNECTION POINT, (C) A FLUID BELLOWS HAVING A LATERALLY EXTENSIBLE WALL FOR ENABLING SAID BELLOWS TO BE COMPRESSED, (D) MEANS CONNECTING SAID FIRST SECTION TO THE AXLE OF ONE OF SAID PAIR OF WHEELS, (E) MEANS SECURING THE UPPER END OF SAID BELLOWS TO SAID FRAME TO RESIST MOVEMENT THEREOF, (F) MEANS SECURING THE LOWER END OF SAID BELLOWS TO SAID SECOND SECTION FOR COMPRESSING THE BELLOWS TO ABSORB SHOCK WHEN SAID ONE PAIR OF WHEELS DROPS IN A HOLE OR THE LIKE WHEN IN USE BY CAUSING A COMPRESSION OF THE FLUID IN THE BELLOWS AND A LATERAL EXTENSION OF THE WALL OF THE BELLOWS, AND (G) MEANS FOR INTRODUCING FLUID UNDER PRESSURE INTO SAID BELLOWS FOR EXPANDING SAME TO LIFT SAID ONE PAIR OF WHEEL OFF THE GROUND.
Claim 2
Dependent Claim
224 words
AN AXLE LIFT FOR USE WITH A VEHICLE FRAME HAVING AT LEAST TWO PAIRS OF WHEELS ARRANGED IN TANDEM, WHEREIN EACH PAIR OF WHEELS HAS SHOCK-ABSORBING MEANS OPERABLY CONNECTED TO ITS AXLE FOR ABSORBING SHOCK DURING THE NORMAL USE OF THE WHEELS ON THE GROUND, THE IMPROVEMENT RESIDING IN: (A) A PIVOT ARM HAVING A FIRST SECTION AND A SECOND SECTION WITH AN INTERMEDIATE PIVOTAL CONNECTION POINT BETWEEN SAID SECTIONS FOR PIVOTALLY CONNECTING TO SAID VEHICLE FRAME, (B) PIVOT CONNECTION MEANS PIVOTALLY CONNECTING SAID PIVOT ARM TO SAID VEHICLE FRAME AT SAID INTERMEDIATE PIVOTAL CONNECTION POINT, (C) A FLUID BELLOWS HAVING A LATERALLY EXTENSIBLE WALL FOR ENABLING SAID BELLOWS TO BE COMPRESSED, (D) MEANS CONNECTING SAID FIRST SECTION TO THE AXLE OF ONE OF SAID PAIR OF WHEELS, (E) MEANS SECURING THE UPPER END OF SAID BELLOWS TO SAID FRAME TO RESIST MOVEMENT THEREOF, (F) MEANS SECURING THE LOWER END OF SAID BELLOWS TO SAID SECOND SECTION FOR COMPRESSING THE BELLOWS TO ABSORB SHOCK WHEN SAID ONE PAIR OF WHEELS DROPS IN A HOLE OR THE LIKE WHEN IN USE BY CAUSING A COMPRESSION OF THE FLUID IN THE BELLOWS AND A LATERAL EXTENSION OF THE WALL OF THE BELLOWS, AND (G) MEANS FOR INTRODUCING FLUID UNDER PRESSURE INTO SAID BELLOWS FOR EXPANDING SAME TO LIFT SAID ONE PAIR OF WHEEL OFF THE GROUND.
References Cited (Backward Citations)
US2391948A
Cited
US2864453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |