Patent US3230003A successfully refreshed from Google Patents.
US3230003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety dumping bucket
Assignee: Whitaker Metal Products Co
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Filing: 1964-03-06
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Granted: 1966-01-18
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Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Lawrence R Mcafoos
- 👤 Francis H Fry
- 👤 Jr Stanley H Eickley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:35
CPC Classifications
B; B66; B66C; B66C3/00; B66C1/00; B66C1/10; B66C1/62; B66C1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A SAFETY DUMPING BUCKET COMPRISING A BUCKET MEMBER HAVING TWO OPPOSED SIDE WALLS, A TRUNNION MOUNTED ON EACH SIDE WALL AND EXTENDING OUTWARDLY THEREFROM IN AXIAL ALIGNMENT WITH THE OTHER TRUNNION, A BAIL MEMBER OF GENERALLY INVERTED U-SHAPED HAVING A SLOT ADJACENT EACH OF ITS ENDS FOR RECEIVING THE TRUNNIONS TO PERMIT THE BAIL TO BE ROTATED AND TO HAVE LIMITED RADIAL MOVEMENT RELATIVE TO THE TRUNNIONS, THE BAIL BEING ADAPTED TO OCCUPY VARIOUS POSITIONS AS DETERMINED BY THE DISPOSITION OF THE TRUNNIONS IN THE SLOTS, INCLUDING A FIRST POSITION IN WHICH THE TRUNNIONS ARE ADJACENT THE UPPER ENDS OF THE SLOTS, A SECOND POSITION IN WHICH THE TRUNNIONS ARE ADJACENT THE LOWER ENDS OF THE SLOTS AND A THIRD POSITION IN WHICH THE TRUNNIONS ARE INTERMEDIATE THE ENDS OF THE SLOTS, A PIN MOUNTED ON ONE OF SAID MEMBERS AND EXTENDING TOWARD THE OTHER MEMBER, FIRST RETAINING MEANS ON THE OTHER MEMBER ADAPTED TO ENGAGE THE PIN WHEN BUCKET AND BAIL ARE UPRIGHT AND THE BAIL IS IN ITS FIRST POSITION FOR LOCKING THE BAIL AGAINST ROTATION ABOUT THE TRUNNIONS SECOND RETAINING MEANS ON THE OTHER MEMBER ADAPTED TO ENGAGE THE PIN WHEN BUCKET AND BAIL ARE UPRIGHT AND THE BAIL IS IN ITS SECOND POSITION FOR LOCKING THE BAIL AGAINST ROTATION ABOUT THE TRUNNIONS, THE BAIL BEING FREE TO ROTATE ABOUT THE TRUNNIONS THROUGH A PREDETERMINED ARC WHEN THE BAIL IS IN ITS THIRD POSITION, AND SHOULDER
Claim 2
Dependent Claim
239 words
A SAFETY DUMPING BUCKET COMPRISING A BUCKET MEMBER HAVING TWO OPPOSED SIDE WALLS, A TRUNNION MOUNTED ON EACH SIDE WALL AND EXTENDING OUTWARDLY THEREFROM IN AXIAL ALIGNMENT WITH THE OTHER TRUNNION, A BAIL MEMBER OF GENERALLY INVERTED U-SHAPED HAVING A SLOT ADJACENT EACH OF ITS ENDS FOR RECEIVING THE TRUNNIONS TO PERMIT THE BAIL TO BE ROTATED AND TO HAVE LIMITED RADIAL MOVEMENT RELATIVE TO THE TRUNNIONS, THE BAIL BEING ADAPTED TO OCCUPY VARIOUS POSITIONS AS DETERMINED BY THE DISPOSITION OF THE TRUNNIONS IN THE SLOTS, INCLUDING A FIRST POSITION IN WHICH THE TRUNNIONS ARE ADJACENT THE UPPER ENDS OF THE SLOTS, A SECOND POSITION IN WHICH THE TRUNNIONS ARE ADJACENT THE LOWER ENDS OF THE SLOTS AND A THIRD POSITION IN WHICH THE TRUNNIONS ARE INTERMEDIATE THE ENDS OF THE SLOTS, A PIN MOUNTED ON ONE OF SAID MEMBERS AND EXTENDING TOWARD THE OTHER MEMBER, FIRST RETAINING MEANS ON THE OTHER MEMBER ADAPTED TO ENGAGE THE PIN WHEN BUCKET AND BAIL ARE UPRIGHT AND THE BAIL IS IN ITS FIRST POSITION FOR LOCKING THE BAIL AGAINST ROTATION ABOUT THE TRUNNIONS SECOND RETAINING MEANS ON THE OTHER MEMBER ADAPTED TO ENGAGE THE PIN WHEN BUCKET AND BAIL ARE UPRIGHT AND THE BAIL IS IN ITS SECOND POSITION FOR LOCKING THE BAIL AGAINST ROTATION ABOUT THE TRUNNIONS, THE BAIL BEING FREE TO ROTATE ABOUT THE TRUNNIONS THROUGH A PREDETERMINED ARC WHEN THE BAIL IS IN ITS THIRD POSITION, AND SHOULDER
References Cited (Backward Citations)
GB428673A
Cited
US3107114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |