Patent US3228439A successfully refreshed from Google Patents.
US3228439A
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Log feeding mechanism
Assignee: SODERHAMNS VERKSTADER AB
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Filing: 1963-11-26
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Granted: 1966-01-11
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jonsson Karl-Erik Arnold
- 👤 Johansson Nils Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:05
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/04; B27L1/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LOG FEEDING MECHANISM COMPRISING AT LEAST TWO COOPERATING DRIVEN FEED ROLLS MOVABLE TOWARD AND AWAY FROM EACH OTHER TO ENGAGE THE EXTERNAL SURFACE OF A LOG IN A COMMON PLANE PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE LOG, A SUPPORT FOR EACH ROLL, A DRIVE SHAFT JOURNALLED ON EACH SUPPORT AND FIXED TO EACH ROLL, AN AUXILIARY SHAFT JOURNALLED ON EACH SUPPORT AND DISPOSED PARALLEL TO SAID DRIVE SHAFT, MEANS FOR DRIVING SAID AUXILIARY SHAFT FROM SAID DRIVE SHAFT, AND AN AUXILIARY ROLL MOUNTED ON EACH AUXILIARY SHAFT, EACH AUXILIARY ROLL BEING OF AN ESSENTIALLY SMALLER DIAMETER THAN EACH FEED ROLL, EACH AUXILIARY ROLL BEING DISPOSED PARALLEL WITH AND CLOSE TO THE PERIPHERY OF THE ADJACENT FEED ROLL IN SUCH A WAY THAT THE AUXILIARY ROLLS ARE IN ENGAGEMENT WITH THE SURFACE OF A LOG LOCATED BETWEEN THE FEED ROLLS.
Claim 2
Dependent Claim
141 words
A LOG FEEDING MECHANISM COMPRISING AT LEAST TWO COOPERATING DRIVEN FEED ROLLS MOVABLE TOWARD AND AWAY FROM EACH OTHER TO ENGAGE THE EXTERNAL SURFACE OF A LOG IN A COMMON PLANE PERPENDICULAR TO THE LONGITUDINAL AXIS OF THE LOG, A SUPPORT FOR EACH ROLL, A DRIVE SHAFT JOURNALLED ON EACH SUPPORT AND FIXED TO EACH ROLL, AN AUXILIARY SHAFT JOURNALLED ON EACH SUPPORT AND DISPOSED PARALLEL TO SAID DRIVE SHAFT, MEANS FOR DRIVING SAID AUXILIARY SHAFT FROM SAID DRIVE SHAFT, AND AN AUXILIARY ROLL MOUNTED ON EACH AUXILIARY SHAFT, EACH AUXILIARY ROLL BEING OF AN ESSENTIALLY SMALLER DIAMETER THAN EACH FEED ROLL, EACH AUXILIARY ROLL BEING DISPOSED PARALLEL WITH AND CLOSE TO THE PERIPHERY OF THE ADJACENT FEED ROLL IN SUCH A WAY THAT THE AUXILIARY ROLLS ARE IN ENGAGEMENT WITH THE SURFACE OF A LOG LOCATED BETWEEN THE FEED ROLLS.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |