US3221783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular saw with annular saw blade
Assignee: Karl M Reich Maschinenfabrik GmbH
•
Filing: 1962-08-08
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Granted: 1965-12-07
•
Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Kaltenmark Otto
- 👤 Dupuy Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/14; B27G; B27G19/00; B27G19/02; B27G19/04; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8878; Y10T83/8881; Y10T83/8884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A CIRCULAR SAW COMPRISING A HOUSING, AN ANNULAR SAW BLADE PARTLY DISPOSED WITHIN SAID HOUSING AND PARTLY PROJECTING THEREFROM, A PLURALITY OF ROLLERS MOUNTED IN SAID HOUSING AND ADAPTED TO ENGAGE UPON AND ROTATE ALONG THE OPPOSITE SIDES OF SAID SAW BLADE FOR GUIDING THE SAME, A MOTOR CONNECTED TO AND SUPPORTED BY SAID HOUSING, AT LEAST ONE FRICTION DRIVE WHEEL ROTATABLE ABOUT ITS AXIS AND ADAPTED TO BE DRIVEN BY SAID MOTOR TO ENGAGE WITH SAID SAW BLADE FOR DRIVING THE SAME, AND MEANS FOR MOUNTING SAID DRIVE WHEEL SO AS TO BE CAPABLE OF SWIVELING ABOUT AN AXIS SPACED FROM AND SUBSTANTIALLY PARALLEL TO SAID WHEEL AXIS, SAID SWIVEL AXIS BEING SPACED FROM THE PLANE OF SAID SAW BLADE AT A DISTANCE GREATER THAN THE LENGTH OF THE RADIUS OF SAID DRIVE WHEEL AND LESS THAN THE SUM OF SAID LENGTH AND THE DISTANCE BEWEEN SAID WHEEL AXIS AND SAID SWIVEL AXIS, SAID WHEEL AXIS BEING DISPOSED BEHIND SAID SWIVEL AXIS, AS SEEN IN THE DIRECTION OF MOVEMENT OF THE SURFACE OF SAID DRIVE WHEEL ENGAGING WITH SAID SAW BLADE.
Claim 2
Dependent Claim
182 words
A CIRCULAR SAW COMPRISING A HOUSING, AN ANNULAR SAW BLADE PARTLY DISPOSED WITHIN SAID HOUSING AND PARTLY PROJECTING THEREFROM, A PLURALITY OF ROLLERS MOUNTED IN SAID HOUSING AND ADAPTED TO ENGAGE UPON AND ROTATE ALONG THE OPPOSITE SIDES OF SAID SAW BLADE FOR GUIDING THE SAME, A MOTOR CONNECTED TO AND SUPPORTED BY SAID HOUSING, AT LEAST ONE FRICTION DRIVE WHEEL ROTATABLE ABOUT ITS AXIS AND ADAPTED TO BE DRIVEN BY SAID MOTOR TO ENGAGE WITH SAID SAW BLADE FOR DRIVING THE SAME, AND MEANS FOR MOUNTING SAID DRIVE WHEEL SO AS TO BE CAPABLE OF SWIVELING ABOUT AN AXIS SPACED FROM AND SUBSTANTIALLY PARALLEL TO SAID WHEEL AXIS, SAID SWIVEL AXIS BEING SPACED FROM THE PLANE OF SAID SAW BLADE AT A DISTANCE GREATER THAN THE LENGTH OF THE RADIUS OF SAID DRIVE WHEEL AND LESS THAN THE SUM OF SAID LENGTH AND THE DISTANCE BEWEEN SAID WHEEL AXIS AND SAID SWIVEL AXIS, SAID WHEEL AXIS BEING DISPOSED BEHIND SAID SWIVEL AXIS, AS SEEN IN THE DIRECTION OF MOVEMENT OF THE SURFACE OF SAID DRIVE WHEEL ENGAGING WITH SAID SAW BLADE.
References Cited (Backward Citations)
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Cited
US1740074A
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US1803068A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |