US3189162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller conveyor
Assignee: SODERHAMNS VERKSTADER AB
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Filing: 1962-12-26
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Granted: 1965-06-15
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Brundell Per Gunnar
- 👤 Jonsson Karl-Erik Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G13/02; B65G13/04; B65G39/00; B65G39/02; B65G2201/00; B65G2201/02; B65G2201/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A ROLLER CONVEYOR FOR FEEDING LOGS OR THE LIKE, SAID CONVEYOR COMPRISING A FRAME, AT LEAST ONE PAIR OF SPINDLES MOUNTED ON SAID FRAME IN UPWARDLY DIVERGING RELATIONSHIP, AT LEAST ONE PAIR OF FRUSTO-CONICAL ROLLERS ROTATABLY MOUNTED ON SAID SPINDLES IN UPWARDLY DIVERGING RELATIONSHIP WITH THE ENDS OF LARGER DIAMETER DISPOSED ADJACENT EACH OTHER AT THE LOWER ENDS OF SAID ROLLERS TO PROVIDE A TROUGH-LIKE LOG RECEIVING SPACE HAVING AN INCLUDED ANGLE OF THE ORDER OF BETWEEN SIXTY AND ONE HUNDRED FIFTY DEGREES AND A PLURALITY OF LOG PENETRATING PRONGS DISTRIBUTED PERIPHERALLY AND LONGITUDINALLY ON EEACH ROLLER, THE PRONGS ON ONE ROLL BEING DISPOSED SYMMETRICALLY WITH RESPECT TO THE PRONGS ON THE OTHER ROLL, EACH PRONG HAVING IN ITS LOG PENETRATING POSITION ONE LOWER SIDE CLAMPING SURFACE DISPOSED AT AN ANGLE OF NOT GREATER THAN NINETY DEGREES TO THE AXIS OF SAID SPINDLE AND INCLINED INWARDLY TOWARD THE LOG IN A PLANE CONVERGING UPWARDLY TOWARD THE CENTRAL VERTICAL PLANE OF THE CONVEYOR, THE INCLUDED ANGLE BETWEEN AN OPPOSED PAIR OF LOWER CLAMPING SURFACES BEING NOT LESS THAN NINETY DEGREES, WHEREBY A LOG WILL BE CLAMPED BETWEEN OPPOSED PAIRS OF CONVERGING CLAMPING SURFACES IN A MANNER TO PREVENT UPWARD MOVEMENT OF THE LOG WITH RESPECT TO SAID ROLLERS.
Claim 2
Dependent Claim
207 words
A ROLLER CONVEYOR FOR FEEDING LOGS OR THE LIKE, SAID CONVEYOR COMPRISING A FRAME, AT LEAST ONE PAIR OF SPINDLES MOUNTED ON SAID FRAME IN UPWARDLY DIVERGING RELATIONSHIP, AT LEAST ONE PAIR OF FRUSTO-CONICAL ROLLERS ROTATABLY MOUNTED ON SAID SPINDLES IN UPWARDLY DIVERGING RELATIONSHIP WITH THE ENDS OF LARGER DIAMETER DISPOSED ADJACENT EACH OTHER AT THE LOWER ENDS OF SAID ROLLERS TO PROVIDE A TROUGH-LIKE LOG RECEIVING SPACE HAVING AN INCLUDED ANGLE OF THE ORDER OF BETWEEN SIXTY AND ONE HUNDRED FIFTY DEGREES AND A PLURALITY OF LOG PENETRATING PRONGS DISTRIBUTED PERIPHERALLY AND LONGITUDINALLY ON EEACH ROLLER, THE PRONGS ON ONE ROLL BEING DISPOSED SYMMETRICALLY WITH RESPECT TO THE PRONGS ON THE OTHER ROLL, EACH PRONG HAVING IN ITS LOG PENETRATING POSITION ONE LOWER SIDE CLAMPING SURFACE DISPOSED AT AN ANGLE OF NOT GREATER THAN NINETY DEGREES TO THE AXIS OF SAID SPINDLE AND INCLINED INWARDLY TOWARD THE LOG IN A PLANE CONVERGING UPWARDLY TOWARD THE CENTRAL VERTICAL PLANE OF THE CONVEYOR, THE INCLUDED ANGLE BETWEEN AN OPPOSED PAIR OF LOWER CLAMPING SURFACES BEING NOT LESS THAN NINETY DEGREES, WHEREBY A LOG WILL BE CLAMPED BETWEEN OPPOSED PAIRS OF CONVERGING CLAMPING SURFACES IN A MANNER TO PREVENT UPWARD MOVEMENT OF THE LOG WITH RESPECT TO SAID ROLLERS.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |