US3370653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension disk support for disk harrow gangs
Assignee: Allis Chalmers Corp
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Filing: 1965-07-08
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Granted: 1968-02-27
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Owen P Hixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:56
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A DISK HARROW HAVING A DISK GANG COMPRISING MULTIPLE DISKS, SPACING SPOOLS BETWEEN SAID DISKS, A SPINDLE BOLT CONNECTING SAID DISKS AND SPOOLS, A WASHER ATTACHED AT ONE END OF SAID BOLT AND SECURING MEANS COACTING WITH THE OTHER END OF SAID BOLT TO TIGHTEN SAID DISK AND SPOOLS INTO FRICTIONAL ENGAGEMENT BETWEEN SAID MEANS AND SAID WASHER, SAID WASHER BEING PROVIDED WITH SPACED OPENINGS FOR RECEIVING A SPANNER WRENCH TO PREVENT TURNING MOVEMENT OF SAID BOLT DURING SAID TIGHTENING MOVEMENT OF SAID MEANS, THE IMPROVEMENT COMPRISING MEANS FOR ATTACHING AN EXTENSION TO SAID BOLT, SAID MEANS INCLUDING A PLURALITY OF ARCUATE SEGMENTS POSITIONED ABOUT SAID BOLT BETWEEN SAID WASHER AND THE OUTER OF SAID DISKS, EACH OF SAID SEGMENTS HAVING A THREADED OPENING THEREIN LYING IN AXIAL ALIGNMENT WITH ONE OF SAID OPENINGS IN SAID WASHER, A STUD PASSING THROUGH SAID ONE OPENING AND BEING THREADABLY RECEIVED IN SAID SEGEMENT, AND MEANS FOR ATTACHING SAID EXTENSION UNIT ON SAID STUD TO SAID WASHER.
Claim 2
Dependent Claim
164 words
A DISK HARROW HAVING A DISK GANG COMPRISING MULTIPLE DISKS, SPACING SPOOLS BETWEEN SAID DISKS, A SPINDLE BOLT CONNECTING SAID DISKS AND SPOOLS, A WASHER ATTACHED AT ONE END OF SAID BOLT AND SECURING MEANS COACTING WITH THE OTHER END OF SAID BOLT TO TIGHTEN SAID DISK AND SPOOLS INTO FRICTIONAL ENGAGEMENT BETWEEN SAID MEANS AND SAID WASHER, SAID WASHER BEING PROVIDED WITH SPACED OPENINGS FOR RECEIVING A SPANNER WRENCH TO PREVENT TURNING MOVEMENT OF SAID BOLT DURING SAID TIGHTENING MOVEMENT OF SAID MEANS, THE IMPROVEMENT COMPRISING MEANS FOR ATTACHING AN EXTENSION TO SAID BOLT, SAID MEANS INCLUDING A PLURALITY OF ARCUATE SEGMENTS POSITIONED ABOUT SAID BOLT BETWEEN SAID WASHER AND THE OUTER OF SAID DISKS, EACH OF SAID SEGMENTS HAVING A THREADED OPENING THEREIN LYING IN AXIAL ALIGNMENT WITH ONE OF SAID OPENINGS IN SAID WASHER, A STUD PASSING THROUGH SAID ONE OPENING AND BEING THREADABLY RECEIVED IN SAID SEGEMENT, AND MEANS FOR ATTACHING SAID EXTENSION UNIT ON SAID STUD TO SAID WASHER.
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |