US3587684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Debarking machine
Assignee: KOCKUMS CANCAR CORP KING STREET AND COCHRAN AVE TALLADEGA AL A CORP OF
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Filing: 1968-10-07
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Granted: 1971-06-28
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Expires: 1988-10-07
Abstract
Abstract A DEBARKING MACHINE OF THE HOLLOW HEAD TYPE WHICH TRANSFERS LOSS ALONG A PRESCRIBED PATH WHILE PROGRESSIVELY REMOVING THE BARK THEREFROM BY A PLURALITY OF DEBARKING TOLLS WHICH ARE ROTATED CIRCUMFERENTIALLY ABOUT THE LOG BY A ROTATABLE TOOL HOLDER. THE LOGS ARE DRIVEN BY A PLURALITY OF FEED ROLLS, EACH FEED ROLL INCLUDING AN ELECTRICAL DRIVING MOTOR HOUSED THEREIN, AND THE DEBARKING TOLLS ARE FORCED AGAINST THE LOG PASSING THEREBY BY FLUID CYLINDERS SUPPLIED WITH FLUID UNDER PRESSURE FROM A PLURALITY OF FLUID PRESSURE PUMPS CARRIED BY THE TOOL HOLDER AND ACTIVATED BY A PUMPING CAM AS THE TOOL HOLDER IS ROTATED.
Inventors
- 👤 Thomas P Bush Jr
- 👤 Samuel E Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:55
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/08; B27B; B27B25/00; B27B25/02; B27L1/04; B27L1/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |