Hitch or coupling pin
Abstract
Abstract A HITCH OR COUPLING PIN FOR INSERTION THROUGH ALIGNED OPENINGS IN TWO PARTS OF A COUPLING TO CONNECT THE SAME TOGETHER AND HAVING MEANS FOR PREVENTING ACCIDENTAL DISCONNECTION OF THE COUPLING BY DISLODGEMENT OF THE PIN BUT WHICH PERMITS THE PIN TO BE READILY REMOVED BY LIFTING THE PIN OUT OF THE OPENINGS. THE PIN IS PROVIDED WITH MEANS TENDING TO TILT THE PIN AWAY FROM A POSITION IN ALIGNMENT WITH THE OPENINGS OF THE COUPLING WHEN THE PIN IS INSERTED THERETHROUGH AND MEANS ENGAGEABLE WITH THE COUPLING TO PREVENT REMOVAL OF THE COUPLING WHEN THE PIN IS SO TILTED, BUT WHICH PERMITS THE PIN TO BE LIFTED OUT OF THE OPENINGS TO DISCONNECT THE PARTS WHEN THE PIN IS HELD IN ALIGNMENT WITH THE OPENINGS.
Inventors
- 👤 David W Alley
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |