Patent US4168845A successfully refreshed from Google Patents.
Patent US3191967A successfully refreshed from Google Patents.
US3191967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direction control trailer hitch
Assignee: Individual
•
Filing: 1963-02-07
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Granted: 1965-06-29
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Conrad J Penk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:23
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A DRAWBAR MECHANISM WHICH COMPRISES A COUPLING MEANS FOR ATTACHING A DRAFT VEHICLE TO A DRAWN VEHICLE, SAID COUPLING MEANS BEING CONSTRUCTED FOR MOUNTING ON A DRAFT VEHICLE AND PROVIDING A PIVOTAL CONNECTION AT LEAST IN A HORIZONTAL PLANE, A MEMBER ADAPTED TO BE PIVOTALLY MOUNTED ON A DRAWN VEHICLE, A FIRST GEAR MEANS FIXEDLY CONNECTED TO SAID COUPLING MEANS FOR MOVEMENT THEREWITH AND ROTATABLY MOUNTED ON SAID MEMBER, AND A SECOND GEAR MEANS IN MESHED RELATIONSHIP WITH SAID FIRST GEAR MEANS AND ADAPTED TO BE ATTACHED TO A DRAWN VEHICLE, SAID MEMBER BEING ADAPTED TO PIVOT AND SAID FIRST GEAR MEANS BEING ADAPTED TO ROTATE AND TRANSMIT A FORCE THROUGH SAID SECOND GEAR MEANS IN A DIRECTION TRANSVERSE OF THE LONGITUDINAL AXIS OF SAID COUPLING MEANS UPON PIVOTAL MOVEMENT OF SAID COUPLING MEANS WHEREBY THE DRAWN VEHICLE, DURING A BACKING OPERATION, MOVES IN SUBSTANTIALLY THE SAME DIRECTION AS THE DRAFT VEHICLE.
Claim 2
Dependent Claim
152 words
A DRAWBAR MECHANISM WHICH COMPRISES A COUPLING MEANS FOR ATTACHING A DRAFT VEHICLE TO A DRAWN VEHICLE, SAID COUPLING MEANS BEING CONSTRUCTED FOR MOUNTING ON A DRAFT VEHICLE AND PROVIDING A PIVOTAL CONNECTION AT LEAST IN A HORIZONTAL PLANE, A MEMBER ADAPTED TO BE PIVOTALLY MOUNTED ON A DRAWN VEHICLE, A FIRST GEAR MEANS FIXEDLY CONNECTED TO SAID COUPLING MEANS FOR MOVEMENT THEREWITH AND ROTATABLY MOUNTED ON SAID MEMBER, AND A SECOND GEAR MEANS IN MESHED RELATIONSHIP WITH SAID FIRST GEAR MEANS AND ADAPTED TO BE ATTACHED TO A DRAWN VEHICLE, SAID MEMBER BEING ADAPTED TO PIVOT AND SAID FIRST GEAR MEANS BEING ADAPTED TO ROTATE AND TRANSMIT A FORCE THROUGH SAID SECOND GEAR MEANS IN A DIRECTION TRANSVERSE OF THE LONGITUDINAL AXIS OF SAID COUPLING MEANS UPON PIVOTAL MOVEMENT OF SAID COUPLING MEANS WHEREBY THE DRAWN VEHICLE, DURING A BACKING OPERATION, MOVES IN SUBSTANTIALLY THE SAME DIRECTION AS THE DRAFT VEHICLE.
References Cited (Backward Citations)
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Cited
US2092597A
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US2233998A
Cited
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Cited
US2529868A
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US2898125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |