US3236274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-tree length slasher
Assignee: Abitibi Power and Paper Co Ltd
•
Filing: 1963-04-30
•
Granted: 1966-02-22
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 John E Eynon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:53
CPC Classifications
B; B27; B27B; B27B31/00; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6542
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A METHOD CONVERTING FELLED TREE LENGTH LOGS INTO CUT PULPWOOD LENGTH LOGS INTO ADJACENT OPEN FEEDING AND OF THE TREE LENGTH LOGS INTO ADJACENT OPEN FEEDING AND HOLDING JAWS OF THE FEED MECHANISM OF A MULTI-TREE SLASHER UNIT, CLOSING SAID HOLDING JAWS TO SECURE THE LOGS TO BE CUT, THEN LOOSELY CLOSING SAID FEEDING JAWS TO THEIR OUTWARD THEREIN AND MOVING SAID FEEDING JAWS TO THEIR OUTWARD POSITION TIGHTLY CLOSING SAID FEEDING JAWS AROUND THE LOGS AND SIMULTANEOSULY RELAXING SAID HOLDING JAWS, RACKING THE SAID FEEDING JAWS IN TOWARDS THE SAID HOLDING JAWS MOVING THE TREE LOGS WITH THEM, CLOSING SAID HOLDING JAWS TIGHTLY AGAIN, ACTIVATING A CUTTING MEANS WHICH MAKES A CUT SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE LOGS IN ENGAGEMENT WITH SAID FEEDING AND HOLDING JAWS CAUSING THE CUT LOGS TO MOVE DOWN AND OUTWARD ON CARRYING RAILS TO THE EDGE OF THE CHASSIS OF SAID SLASHER UNIT WHERE THEY ARE DEPOSITED IN A CRADLE AND THEN REMOVING SAID CUT LOGS TO A STOCKPILE OF CUT PULPWOOD LENGTH LOGS, AND UPON COMPLETION OF THE SHEARING OPERATION RACKING OUT THE FEEDING JAWS READY TO REPEAT THE FOREGOING CYCLE UNTIL THE TREE LENGTH LOGS HAVE BEEN CUT DOWN SO THAT THE SNIPES FALL FROM THE SAID FEED MECHANISM TO THE GROUND.
Claim 2
Independent Claim
212 words
A METHOD CONVERTING FELLED TREE LENGTH LOGS INTO CUT PULPWOOD LENGTH LOGS INTO ADJACENT OPEN FEEDING AND OF THE TREE LENGTH LOGS INTO ADJACENT OPEN FEEDING AND HOLDING JAWS OF THE FEED MECHANISM OF A MULTI-TREE SLASHER UNIT, CLOSING SAID HOLDING JAWS TO SECURE THE LOGS TO BE CUT, THEN LOOSELY CLOSING SAID FEEDING JAWS TO THEIR OUTWARD THEREIN AND MOVING SAID FEEDING JAWS TO THEIR OUTWARD POSITION TIGHTLY CLOSING SAID FEEDING JAWS AROUND THE LOGS AND SIMULTANEOSULY RELAXING SAID HOLDING JAWS, RACKING THE SAID FEEDING JAWS IN TOWARDS THE SAID HOLDING JAWS MOVING THE TREE LOGS WITH THEM, CLOSING SAID HOLDING JAWS TIGHTLY AGAIN, ACTIVATING A CUTTING MEANS WHICH MAKES A CUT SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE LOGS IN ENGAGEMENT WITH SAID FEEDING AND HOLDING JAWS CAUSING THE CUT LOGS TO MOVE DOWN AND OUTWARD ON CARRYING RAILS TO THE EDGE OF THE CHASSIS OF SAID SLASHER UNIT WHERE THEY ARE DEPOSITED IN A CRADLE AND THEN REMOVING SAID CUT LOGS TO A STOCKPILE OF CUT PULPWOOD LENGTH LOGS, AND UPON COMPLETION OF THE SHEARING OPERATION RACKING OUT THE FEEDING JAWS READY TO REPEAT THE FOREGOING CYCLE UNTIL THE TREE LENGTH LOGS HAVE BEEN CUT DOWN SO THAT THE SNIPES FALL FROM THE SAID FEED MECHANISM TO THE GROUND.
References Cited (Backward Citations)
CA621584A
Cited
US2579613A
Cited
US2635659A
Cited
US2614589A
Cited
US2882941A
Cited
US2981301A
Cited
US2960123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |