Patent US3127778A successfully refreshed from Google Patents.
US3127778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet drive safety release
Assignee: Unisys Corp
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Filing: 1961-06-26
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Granted: 1964-04-07
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Earl E Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:02
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; F; F16; F16H; F16H35/00; F16H35/10; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1558; Y10T74/1565; Y10T74/21; Y10T74/2142; Y10T74/2144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
RATCHET DRIVE MECHANISM FOR THE MOVABLE APRON OR CHAINS OF A MANURE SPREADER MOVABLY MOUNTED TO EFFECT FEEDING OF MANURE TO THE DISCHARGE END OF THE SPREADER AND PASSING AROUND ROTATABLE SUPPORTING AND ACTUATING MEANS, SAID DRIVE MEANS COMPRISING, A TOOTHED RATCHET GEAR CONNECTABLE TO SAID ROTATABLE SUPPORTING AND ACTUATING MEANS, A PAWL ARM OSCILLATABLY SUPPORTED AT ONE END SUBSTANTIALLY COAXIALLY WITH SAID GEAR, A PAWL MOVABLY CARRIED BY THE OPPOSIT END OF SAID PAWL ARM AND ENGAGEABLE WITH THE TEETH OF SAID GEAR, AND A CRANK SUPPORTED FOR ROTATION ABOUT AN AXIS FIXED RELATIVE TO THE AXIS OF SAID GEAR, IN COMBINATION WITH A BROKEN PITMAN EXTENDING BETWEEN SAID CRANK AND PAWL ARM AND CONNECTED RESPECTIVELY AT ITS OPPOSITE ENDS THERETO, SAID BROKEN PITMAN COMPRISING TWO ARMS EACH HAVING ONE END PERMANENTLY PIVOTALLY CONNECTED TOGETHER AND ONE OF SAID ARMS BEING AT AN ACUTE ANGLE TO THE AXIS OF THE OTHER ARM, WHEREBY SAID PIVOTAL CONNECTIONS ARE NOT IN A STRAIGHT
Claim 2
Dependent Claim
162 words
RATCHET DRIVE MECHANISM FOR THE MOVABLE APRON OR CHAINS OF A MANURE SPREADER MOVABLY MOUNTED TO EFFECT FEEDING OF MANURE TO THE DISCHARGE END OF THE SPREADER AND PASSING AROUND ROTATABLE SUPPORTING AND ACTUATING MEANS, SAID DRIVE MEANS COMPRISING, A TOOTHED RATCHET GEAR CONNECTABLE TO SAID ROTATABLE SUPPORTING AND ACTUATING MEANS, A PAWL ARM OSCILLATABLY SUPPORTED AT ONE END SUBSTANTIALLY COAXIALLY WITH SAID GEAR, A PAWL MOVABLY CARRIED BY THE OPPOSIT END OF SAID PAWL ARM AND ENGAGEABLE WITH THE TEETH OF SAID GEAR, AND A CRANK SUPPORTED FOR ROTATION ABOUT AN AXIS FIXED RELATIVE TO THE AXIS OF SAID GEAR, IN COMBINATION WITH A BROKEN PITMAN EXTENDING BETWEEN SAID CRANK AND PAWL ARM AND CONNECTED RESPECTIVELY AT ITS OPPOSITE ENDS THERETO, SAID BROKEN PITMAN COMPRISING TWO ARMS EACH HAVING ONE END PERMANENTLY PIVOTALLY CONNECTED TOGETHER AND ONE OF SAID ARMS BEING AT AN ACUTE ANGLE TO THE AXIS OF THE OTHER ARM, WHEREBY SAID PIVOTAL CONNECTIONS ARE NOT IN A STRAIGHT
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |