US3142137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring grinder
Assignee: Besly Cutting Tools Inc
•
Filing: 1962-06-08
•
Granted: 1964-07-28
•
Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Fallon
- 👤 Sidney M Napp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:36
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/16; B24B7/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
STRUCTURE FOR SUPPORTING AND POSITIONING A PAIR OF OPPOSED GRINDING MEMBERS, SUCH STRUCTURE INCLUDING, IN COMBINATION, A PAIR OF ELONGATED, PARALLEL FEED SCREWS, THE FEED SCREWS BEING THREADED AT OPPOSITE ENDS, A PAIR OF FRAMES, EACH FRAME RECEIVING THE FEED SCREWS AND BEING SLIDABLE THEREALONG, EACH OF THE FRAME CARRYING AN OPPOSED GRINDING MEMBER, EACH FRAME BEING THREADABLY CONNECTED TO ONE OF THE FEED SCREWS AND SLIDABLY CONNECTED TO THE OTHER FEED SCREW, THE FRAMES BEING THREADABLY CONNECTED TO DIFFERENT FEED SCREWS, STRUCTURE RESTRAINING LONGITUDINAL MOVEMENT OF THE FEED SCREWS, AND MEANS FOR ROTATING EACH FEED SCREW INDEPENDENTLY OF THE OTHER WHEREBY THE FRAMES, AND THE GRINDING MEMBER CARRIED BY EACH FRAME, MAY BE MOVED RELATIVE TO EACH OTHER TO ADJUST THE DISTANCE BETWEEN GRINDING MEMBERS.
Claim 2
Dependent Claim
126 words
STRUCTURE FOR SUPPORTING AND POSITIONING A PAIR OF OPPOSED GRINDING MEMBERS, SUCH STRUCTURE INCLUDING, IN COMBINATION, A PAIR OF ELONGATED, PARALLEL FEED SCREWS, THE FEED SCREWS BEING THREADED AT OPPOSITE ENDS, A PAIR OF FRAMES, EACH FRAME RECEIVING THE FEED SCREWS AND BEING SLIDABLE THEREALONG, EACH OF THE FRAME CARRYING AN OPPOSED GRINDING MEMBER, EACH FRAME BEING THREADABLY CONNECTED TO ONE OF THE FEED SCREWS AND SLIDABLY CONNECTED TO THE OTHER FEED SCREW, THE FRAMES BEING THREADABLY CONNECTED TO DIFFERENT FEED SCREWS, STRUCTURE RESTRAINING LONGITUDINAL MOVEMENT OF THE FEED SCREWS, AND MEANS FOR ROTATING EACH FEED SCREW INDEPENDENTLY OF THE OTHER WHEREBY THE FRAMES, AND THE GRINDING MEMBER CARRIED BY EACH FRAME, MAY BE MOVED RELATIVE TO EACH OTHER TO ADJUST THE DISTANCE BETWEEN GRINDING MEMBERS.
References Cited (Backward Citations)
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Cited
US1906731A
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US2047591A
Cited
US2580542A
Cited
US2768480A
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US2709876A
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |