Container chassis attachment arrangement
Abstract
Abstract A TRAILER CONTAINER CHASSIS ATTACHMENT ARRANGEMENT FOR COUPLING ONE LARGE CONTAINER OR TWO SMALLER CONTAINERS TO THE CHASSIS INCLUDING TWIST LOCK MEANS COMPRISING A TWIST LOCK STRUCTURE ON THE CHASSIS, EACH TWIST LOCK STRUCTURE CONNECTING SAME TO THE CHASSIS, EACH TWIST LOCK STRUCTURE INCLUDING A HOUSING RECEIVING A VERTICALLY RETRACTABLE SHEAR BLOCK RECIPROCALLY SUPPORTED BY A SCREW RETAINED ON THE HOUSING BY NUT MEANS TO ELEVATE AND LOWER THE SCREW MEANS WITH THE SHEAR BLOCK INTO THE BOTTOM OF THE CORNER CASTING, THE TOP PORTION OF THE SCREW CARRYING A TWIST LOCK HEAD ROTATABLY POSITIONED INTO LOCKING POSITION IN THE CONTAINER, AND LOCK MEANS IN THE FORM OF A VERTICALLY RECIPROCABLE PLUNGER LOCKING THE SCREW AGAINST ROTATION IN ELEVATED AND LOWERED LOCKED AND UNLOCKED POSITIONS OF THE TWIST LOCK HEAD AND TWIST LOCK SCREW.
Inventors
- 👤 George W Carr
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |