US3096099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fifth wheel for truck trailers
Assignee: Individual
•
Filing: 1962-01-22
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Granted: 1963-07-02
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Elton P Bowles
- 👤 Paul D Mcnew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:51
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0857; B62D53/0864
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A FIFTH WHEEL UNIT FOR ROTATABLY MOUNTING A TOW BAR AND WHEEL ASSEMBLY ON THE FRAME OF A TRAILER, SAID UNIT INCLUDING: (A) A FIRST MEMBER ADAPTED TO BE SECURED TO SAID FRAME AND HAVING A DOWNWARDLY FACING, GENERALLY PLANAR SURFACE; (B) A SECOND MEMBER ADAPTED TO BE COUPLED TO THE ASSEMBLY AND HAVING AN UPWARDLY FACING, GENERALLY PLANAR SURFACE; (C) MEANS ROTATABLY INTERCONNECTING THE MEMBERS WITH SAID SURFACES THEREOF IN FACING, SUBSTANTIALLY ALIGNED RELATIONSHIP, SAID SURFACES BEING PROVIDED WITH OPPOSED, ALIGNED, CIRCULAR GROOVES THEREIN IN CONCENTRIC RELATIONSHIP TO THE AXIS OF ROTATION OF THE MEMBERS AND LOCATED IN SUBSTANTIAL SPACED RELATIONSHIP TO SAID AXIS; AND (D) A CONTINUOUS, RESILIENT, ANNULAR LOAD BEARING ELEMENT OF UNIFORM CROSS-SECTIONAL CONFIGURATION CONFORMING TO SAID GROOVES AND INTERPOSED BETWEEN SAID SURFACES, POSITIONED IN SAID GROOVES, MAINTAINING SAID SURFACES OF THE MEMBERS IN SPACED RELATIONSHIP AND PREVENTING LATERAL MOVEMENT OF ONE OF THE MEMBERS RELATIVE TO THE OTHER MEMBER.
Claim 2
Dependent Claim
154 words
A FIFTH WHEEL UNIT FOR ROTATABLY MOUNTING A TOW BAR AND WHEEL ASSEMBLY ON THE FRAME OF A TRAILER, SAID UNIT INCLUDING: (A) A FIRST MEMBER ADAPTED TO BE SECURED TO SAID FRAME AND HAVING A DOWNWARDLY FACING, GENERALLY PLANAR SURFACE; (B) A SECOND MEMBER ADAPTED TO BE COUPLED TO THE ASSEMBLY AND HAVING AN UPWARDLY FACING, GENERALLY PLANAR SURFACE; (C) MEANS ROTATABLY INTERCONNECTING THE MEMBERS WITH SAID SURFACES THEREOF IN FACING, SUBSTANTIALLY ALIGNED RELATIONSHIP, SAID SURFACES BEING PROVIDED WITH OPPOSED, ALIGNED, CIRCULAR GROOVES THEREIN IN CONCENTRIC RELATIONSHIP TO THE AXIS OF ROTATION OF THE MEMBERS AND LOCATED IN SUBSTANTIAL SPACED RELATIONSHIP TO SAID AXIS; AND (D) A CONTINUOUS, RESILIENT, ANNULAR LOAD BEARING ELEMENT OF UNIFORM CROSS-SECTIONAL CONFIGURATION CONFORMING TO SAID GROOVES AND INTERPOSED BETWEEN SAID SURFACES, POSITIONED IN SAID GROOVES, MAINTAINING SAID SURFACES OF THE MEMBERS IN SPACED RELATIONSHIP AND PREVENTING LATERAL MOVEMENT OF ONE OF THE MEMBERS RELATIVE TO THE OTHER MEMBER.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |