US3361168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log barker
Assignee: Black Clawson Co
•
Filing: 1965-11-30
•
Granted: 1968-01-02
•
Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Robert M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN IMPROVED PNEUMATIC CONTROL SYSTEM FOR A LOG BARKER INCLUDING A ROTATABLY SUPPORTED ANNULAR ROTOR HAVING A PLURALITY OF BARKER ARMS PIVOTALLY MOUNTED THEREON FOR SCRAPING BARK FROM LOGS OF VARIOUS SIZES AND SHAPES, AND ADAPTED TO PROVIDE DEPENDABLE SERVICE WITH MINIMUM MAINTENANCE IN ADDITION TO REMOTE CONTROL FOR QUICK MOVEMENT OF THE BARKER ARMS, SAID SYSTEM COMPRISING AIR OPERATED MEANS MOUNTED WITHIN SAID ROTOR FOR PIVOTING SAID BARKER ARMS AND TO PROVIDE A CUSHION EFFECT AS THE BARKER ARMS MOVE OVER THE IRREGULAR SURFACE OF THE LOG, AN AIR PICKUP RING CONNECTED TO SAID ROTOR FOR ROTATION THEREWITH AND INCLUDING A PAIR OF OPPOSED PLANAR SURFACES DEFINING THE SIDES OF A RADIALLY EXTENDING CIRCUMFERENTIAL GROOVE, MEANS DEFINING A PLURALITY OF CIRCUMFERENTIALLY SPACED PORTS IN AT LEAST ONE OF SAID SURFACES, CONDUIT MEANS CONNECTING SAID PORTS TO SAID AIR OPERATED
Claim 2
Dependent Claim
140 words
AN IMPROVED PNEUMATIC CONTROL SYSTEM FOR A LOG BARKER INCLUDING A ROTATABLY SUPPORTED ANNULAR ROTOR HAVING A PLURALITY OF BARKER ARMS PIVOTALLY MOUNTED THEREON FOR SCRAPING BARK FROM LOGS OF VARIOUS SIZES AND SHAPES, AND ADAPTED TO PROVIDE DEPENDABLE SERVICE WITH MINIMUM MAINTENANCE IN ADDITION TO REMOTE CONTROL FOR QUICK MOVEMENT OF THE BARKER ARMS, SAID SYSTEM COMPRISING AIR OPERATED MEANS MOUNTED WITHIN SAID ROTOR FOR PIVOTING SAID BARKER ARMS AND TO PROVIDE A CUSHION EFFECT AS THE BARKER ARMS MOVE OVER THE IRREGULAR SURFACE OF THE LOG, AN AIR PICKUP RING CONNECTED TO SAID ROTOR FOR ROTATION THEREWITH AND INCLUDING A PAIR OF OPPOSED PLANAR SURFACES DEFINING THE SIDES OF A RADIALLY EXTENDING CIRCUMFERENTIAL GROOVE, MEANS DEFINING A PLURALITY OF CIRCUMFERENTIALLY SPACED PORTS IN AT LEAST ONE OF SAID SURFACES, CONDUIT MEANS CONNECTING SAID PORTS TO SAID AIR OPERATED
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |