Patent US3198056A successfully refreshed from Google Patents.
US3198056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch pin safety lock
Assignee: Individual
•
Filing: 1963-09-12
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Granted: 1965-08-03
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Expires: 1983-09-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Gowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:22
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/02; B60D1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN COMBINATION WITH A SHANK ADAPTED TO DETACHABLY COIUPLE PARTS, A SAFETY LOCK FOR PREVENTING ACCIDENTAL WITH DRAWAL OF THE SHANK COMPRISING, A COLLAR MEMBER SLIDABLY RECEIVING SAID SHANK THERETHROUGH, SAID COLLAR MEMBER HAVING A PAIR OF AXIALLY SPACED GROOVES THEREIN, A SLOT FORMED IN ONE OF SAID GROOVES FOR ALIGNEMENT WITH AN ANNULAR GROOVED FORMED IN THE SHUNK, AN ARCUATE LEVER ELEMENT, MEANS DISPOSED WITHIN ONE SAID GROOVE AND PIVOTALLY MOUNTING THE LEVER ELEMENT FOR EXTENSION THROUGH THE SLOT WHERE INTERSECTING SAID ONE GROOVE, SAID LEVEL ELEMENT BEING PROVIDED WITH AN OFFSET PORTION PROJECTING FROM THE COLLAR MEMBER AND OVERLKYING THE OTHER GROOVE THEREIN, AND SPRING MEANS SEATED IN SAID OTHER GROOVE AND HAVING OPPOSITE ENDS INTERCONNECTED BETWEEN THE OFFSET PORTION OF THE LEVER ELEMENT AND THE PIVOITAL MOUNTING MEANS FOF BIASING THE LEVER ELEMENT INTO THE ANNULAR GROOVE OF THE SHANK TO LOCK THE COLLAR MEMBER THERETO.
Claim 2
Dependent Claim
149 words
IN COMBINATION WITH A SHANK ADAPTED TO DETACHABLY COIUPLE PARTS, A SAFETY LOCK FOR PREVENTING ACCIDENTAL WITH DRAWAL OF THE SHANK COMPRISING, A COLLAR MEMBER SLIDABLY RECEIVING SAID SHANK THERETHROUGH, SAID COLLAR MEMBER HAVING A PAIR OF AXIALLY SPACED GROOVES THEREIN, A SLOT FORMED IN ONE OF SAID GROOVES FOR ALIGNEMENT WITH AN ANNULAR GROOVED FORMED IN THE SHUNK, AN ARCUATE LEVER ELEMENT, MEANS DISPOSED WITHIN ONE SAID GROOVE AND PIVOTALLY MOUNTING THE LEVER ELEMENT FOR EXTENSION THROUGH THE SLOT WHERE INTERSECTING SAID ONE GROOVE, SAID LEVEL ELEMENT BEING PROVIDED WITH AN OFFSET PORTION PROJECTING FROM THE COLLAR MEMBER AND OVERLKYING THE OTHER GROOVE THEREIN, AND SPRING MEANS SEATED IN SAID OTHER GROOVE AND HAVING OPPOSITE ENDS INTERCONNECTED BETWEEN THE OFFSET PORTION OF THE LEVER ELEMENT AND THE PIVOITAL MOUNTING MEANS FOF BIASING THE LEVER ELEMENT INTO THE ANNULAR GROOVE OF THE SHANK TO LOCK THE COLLAR MEMBER THERETO.
References Cited (Backward Citations)
US602724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |