US3213905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Setting mechanism for a hand portable sawmill
Assignee: Individual
•
Filing: 1963-02-01
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Granted: 1965-10-26
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Charles E Mcmanama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:49
CPC Classifications
B; B27; B27B; B27B15/00; B27B15/02; Y; Y10; Y10T; Y10T83/00; Y10T83/667; Y10T83/68; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7507; Y10T83/7547
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A SAWMILL COMPOSED OF A HORIZONTAL BANDSAW WHICH TRAVERSES IN SAWING UPON A RECTANGULAR GUIDE RAIL FRAME WHICH STRADDLES THE LOG BEING SAWED AND IS ADJUSTABLY SUPPORTED UPON THE LOG THEREFROM BY TRACTIVE MEANS OF ENGAGEMENT TO EACH END OF THE LOG TO SAW PRECISE THICKNESSES OF LUMBER THEREFROM, SAID GUIDE RAIL FRAME HAVING A PAIR OF PARALLEL SIDE RAILS AND A PAIR OF CROSS MEMBERS RIGIDLY CONNECTING THE SIDE RAILS ADJACENT THE OPPOSITE ENDS THEREOF, SAID TRACTIVE MEANS OF ENGAGEMENT CONSISTING OF TWO ROLLERS, EACH OF SAID ROLLERS FORCIBLY ENGAGING EACH END OF THE LOG BY MEANS OF PAIRED HYDRAULICALLY INTERCONNECTED HYDRAULIC CYLINDERS RIGIDLY MOUNTED UPON EACH OF AFORESAID CROSS MEMBERS, A PUMP TO ACTUATE SAID HYDRAULIC CYLINDERS, EACH END OF EACH ROLLER PIVOTALLY AND ROTATABLY SUPPORTED FROM EACH PISTON SPINDLE OF THE RESPECTIVE PAIRED AFORESAID HYDRAULIC CYLINDERS, AND MEANS FOR TURNING SAID TRACTIVE ROLLERS WHILE IN SUCH ENGAGEMENT.
Claim 2
Dependent Claim
151 words
IN A SAWMILL COMPOSED OF A HORIZONTAL BANDSAW WHICH TRAVERSES IN SAWING UPON A RECTANGULAR GUIDE RAIL FRAME WHICH STRADDLES THE LOG BEING SAWED AND IS ADJUSTABLY SUPPORTED UPON THE LOG THEREFROM BY TRACTIVE MEANS OF ENGAGEMENT TO EACH END OF THE LOG TO SAW PRECISE THICKNESSES OF LUMBER THEREFROM, SAID GUIDE RAIL FRAME HAVING A PAIR OF PARALLEL SIDE RAILS AND A PAIR OF CROSS MEMBERS RIGIDLY CONNECTING THE SIDE RAILS ADJACENT THE OPPOSITE ENDS THEREOF, SAID TRACTIVE MEANS OF ENGAGEMENT CONSISTING OF TWO ROLLERS, EACH OF SAID ROLLERS FORCIBLY ENGAGING EACH END OF THE LOG BY MEANS OF PAIRED HYDRAULICALLY INTERCONNECTED HYDRAULIC CYLINDERS RIGIDLY MOUNTED UPON EACH OF AFORESAID CROSS MEMBERS, A PUMP TO ACTUATE SAID HYDRAULIC CYLINDERS, EACH END OF EACH ROLLER PIVOTALLY AND ROTATABLY SUPPORTED FROM EACH PISTON SPINDLE OF THE RESPECTIVE PAIRED AFORESAID HYDRAULIC CYLINDERS, AND MEANS FOR TURNING SAID TRACTIVE ROLLERS WHILE IN SUCH ENGAGEMENT.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |