Patent US3342300A successfully refreshed from Google Patents.
US3342300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car loader
Assignee: US Borax Inc
•
Filing: 1966-11-17
•
Granted: 1967-09-19
•
Expires: 1986-11-17
Abstract
No abstract record available.
Inventors
- 👤 Harold E Foy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
B; B65; B65G; B65G67/00; B65G67/02; B65G67/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
199 words
APPARATUS FOR LOADING FRANGIBLE MATERIALS IN A RAILROAD CAR HAVING AN UPRIGHT LONGITUDINAL CENTER PLANE THROUGH THE CENTER IF ITS OPPOSITE END WALLS, AND AN OPENING THROUGH ONE SIDE WALL, SAID LOADING APPARATUS COMPRISING: A SLINGER CONVEYOR; MEANS MOUNTING THE SLINGER CONVEYOR FOR PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS; MEANS FOR EXTENDING THE SLINGER CONVEYOR INTERIOR OF THE CAR THROUGH THE SIDE OPENING SO THAT THE SLINGER CONVEYOR IS DISPOSED BETWEEN THE OPEN SIDE AND THE LONGITUDINAL CENTER PLANE; FIRST STOP MEANS LIMITING PIVOTAL MOVEMENT OF THE SLINGER CONVEYOR IN ONE DIRECTION TO A FIRST POSITION IN WHICH THE CONVEYOR AND THE LONGITUDINAL CENTER PLANE CONVERGE TOWARD ONE END OF THE CAR; SECOND STOP MEANS LIMITING PIVOTAL MOVEMENT OF THE SLINGER CONVEYOR IN THE OTHER DIRECTION TO A SECOND POSITION IN WHICH THE CONVEYOR AND THE LONGITUDINAL CENTER PLANE OF THE CAR CONVERGE TOWARD THE OPPOSITE END; AND, MEANS FOR SELECTIVELY DRIVING THE SLINGER CONVEYOR IN EITHER OF TWO OPPOSITE DIRECTIONS AT A VELOCITY SUFFICIENT THAT THE REACTIVE FORCE PIVOTS THE CONVEYOR TO THE FIRST POSITION WHEN THE CONVEYOR IS DRIVEN TOWARD SAID ONE END AND TO THE SECOND POSITION WHEN THE CONVEYOR IS DRIVEN TOWARD SAID OPPOSITE END.
Claim 2
Dependent Claim
199 words
APPARATUS FOR LOADING FRANGIBLE MATERIALS IN A RAILROAD CAR HAVING AN UPRIGHT LONGITUDINAL CENTER PLANE THROUGH THE CENTER IF ITS OPPOSITE END WALLS, AND AN OPENING THROUGH ONE SIDE WALL, SAID LOADING APPARATUS COMPRISING: A SLINGER CONVEYOR; MEANS MOUNTING THE SLINGER CONVEYOR FOR PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS; MEANS FOR EXTENDING THE SLINGER CONVEYOR INTERIOR OF THE CAR THROUGH THE SIDE OPENING SO THAT THE SLINGER CONVEYOR IS DISPOSED BETWEEN THE OPEN SIDE AND THE LONGITUDINAL CENTER PLANE; FIRST STOP MEANS LIMITING PIVOTAL MOVEMENT OF THE SLINGER CONVEYOR IN ONE DIRECTION TO A FIRST POSITION IN WHICH THE CONVEYOR AND THE LONGITUDINAL CENTER PLANE CONVERGE TOWARD ONE END OF THE CAR; SECOND STOP MEANS LIMITING PIVOTAL MOVEMENT OF THE SLINGER CONVEYOR IN THE OTHER DIRECTION TO A SECOND POSITION IN WHICH THE CONVEYOR AND THE LONGITUDINAL CENTER PLANE OF THE CAR CONVERGE TOWARD THE OPPOSITE END; AND, MEANS FOR SELECTIVELY DRIVING THE SLINGER CONVEYOR IN EITHER OF TWO OPPOSITE DIRECTIONS AT A VELOCITY SUFFICIENT THAT THE REACTIVE FORCE PIVOTS THE CONVEYOR TO THE FIRST POSITION WHEN THE CONVEYOR IS DRIVEN TOWARD SAID ONE END AND TO THE SECOND POSITION WHEN THE CONVEYOR IS DRIVEN TOWARD SAID OPPOSITE END.
Claim 3
Dependent Claim
158 words
APPARATUS FOR DELIVERING FRANGIBLE MATERIALS FROM AN ELEVATED HOPPER TO A RAILROAD CAR HAVING AN OPENING THROUGH ONE SIDE, SAID APPARATUS COMPRISING: FIRST AND SECOND SIDE-BY-SIDE ELONGATED INCLINED CHUTES, THE UPPER END OF EACH OF SAID CHUTES BEING IN COMMUNICATION WITH SAID HOPPER MEANS FOR POSITIONING THE LOWER ENDS OF SAID CHUTES INTERIOR OF THE BOX CAR; A REVERSIBLE SLINGER CONVEYOR DISPOSED AT THE LOWER END OF SAID CHUTES FOR THROWING MATERIAL FROM THE CHUTES TOWARD OPPOSITE ENDS OF THE BOX CAR, SAID CHUTES BEING ARRANGED SO THAT ONE CHUTE DEPOSITS MATERIALS AT ONE LOCATION ON THE CONVEYOR PREFERRED FOR THROWING THE MATERIAL IN ONE DIRECTION, AND THE OTHER CHUTE DEPOSITS MATERIAL AT A DIFFERENT LOCATION ON THE CONVEYOR PREFERRED FOR THROWING THE MATERIAL IN THE OPPOSITE DIRECTION; AND GATE MEANS EXTERIOR OF THE BOX CAR FOR ALTERNATIVELY OPENING ONE OF THE CHUTES AND CLOSING THE OTHER TO DEPOSIT THE MATERIALS AT THE SELECTED LOCATION ON THE CONVEYOR.
Claim 4
Dependent Claim
158 words
APPARATUS FOR DELIVERING FRANGIBLE MATERIALS FROM AN ELEVATED HOPPER TO A RAILROAD CAR HAVING AN OPENING THROUGH ONE SIDE, SAID APPARATUS COMPRISING: FIRST AND SECOND SIDE-BY-SIDE ELONGATED INCLINED CHUTES, THE UPPER END OF EACH OF SAID CHUTES BEING IN COMMUNICATION WITH SAID HOPPER MEANS FOR POSITIONING THE LOWER ENDS OF SAID CHUTES INTERIOR OF THE BOX CAR; A REVERSIBLE SLINGER CONVEYOR DISPOSED AT THE LOWER END OF SAID CHUTES FOR THROWING MATERIAL FROM THE CHUTES TOWARD OPPOSITE ENDS OF THE BOX CAR, SAID CHUTES BEING ARRANGED SO THAT ONE CHUTE DEPOSITS MATERIALS AT ONE LOCATION ON THE CONVEYOR PREFERRED FOR THROWING THE MATERIAL IN ONE DIRECTION, AND THE OTHER CHUTE DEPOSITS MATERIAL AT A DIFFERENT LOCATION ON THE CONVEYOR PREFERRED FOR THROWING THE MATERIAL IN THE OPPOSITE DIRECTION; AND GATE MEANS EXTERIOR OF THE BOX CAR FOR ALTERNATIVELY OPENING ONE OF THE CHUTES AND CLOSING THE OTHER TO DEPOSIT THE MATERIALS AT THE SELECTED LOCATION ON THE CONVEYOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |