US3202004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverse for worm drive, direct drive tiller
Assignee: Magna Corp
•
Filing: 1961-05-19
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Granted: 1965-08-24
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Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank H Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:46
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; A; A01; A01B; A01B33/00; A01B33/08; A01B33/082; A01B33/085; F16H7/00; F16H7/08; F16H7/0827; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19605; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN A GARDEN TILLER COMPRISING A TINE SHAFT, AN ENGINE SHAFT, A TILLER SHAFT IN AXIAL ALIGNMENT WITH SAID ENGINE SHAFT, AND A DIRECT WORM GEAR DRIVE FROM SAID TILLER SHAFT TO SAID TINE SHAFT FOR DRIVING SAID TINE SHAFT IN A FORWARD DIRECTION, THE IMPROVEMENT WHICH COMPRISES: MEANS TO EFFECT A REVERSE DRIVE OF SAID TINE SHAFT BY SAID ENGINE SHAFT AND BY SAID DIRECT WORM GEAR DRIVE, SAID MEANS INCLUDING A FIRST CLUTCH PATH FIXED TO SAID ENGINE SHAFT; A SECOND CLUTCH PART SLIDABLE ON SAID TILLER SHAFT INTO AND OUT OF ENGAGEMENT WITH SAID FIRST CLUTCH PART; A FIRST PULLEY ROTATABLE WITH SAID FIRST CLUTCH PART; A SECOND PULLEY ROTATABLE WITH SAID SECOND CLUTCH PART; AND OTHER MEANS, EFFEFTIVE WHEN SAID SECOND CLUTCH PART; IN OUT OF ENGAGEMENT WITH SAID FIRST CLUTCH PART, CONNECTED BETWEEN SAID FIRST AND SECOND PULLEYS, TO CAUSE SAID SECOND CLUTCH PART TO ROTATE IN A DIRECTION OPPOSITE FROM THE DIRECTION OF SAID FIRST CLUTCH PART, SAID OTHER MEANS COMPRISING A FIRST AUXILIARY PULLEY, A SECOND AUXILIARY PULLEY, A PAIR OF GEARS WHICH MESH TOGETHER, ONE OF SAID GEARS BEING CONNECTED TO SAID FIRST AUXILIARY PULLEY AND THE OTHER OF SAID GEARS BEING CONNECTED TO SAID SECOND AUXILARY PULLEY, FIRST BELT MEANS ENGAGING SAID FIRST
Claim 2
Dependent Claim
212 words
IN A GARDEN TILLER COMPRISING A TINE SHAFT, AN ENGINE SHAFT, A TILLER SHAFT IN AXIAL ALIGNMENT WITH SAID ENGINE SHAFT, AND A DIRECT WORM GEAR DRIVE FROM SAID TILLER SHAFT TO SAID TINE SHAFT FOR DRIVING SAID TINE SHAFT IN A FORWARD DIRECTION, THE IMPROVEMENT WHICH COMPRISES: MEANS TO EFFECT A REVERSE DRIVE OF SAID TINE SHAFT BY SAID ENGINE SHAFT AND BY SAID DIRECT WORM GEAR DRIVE, SAID MEANS INCLUDING A FIRST CLUTCH PATH FIXED TO SAID ENGINE SHAFT; A SECOND CLUTCH PART SLIDABLE ON SAID TILLER SHAFT INTO AND OUT OF ENGAGEMENT WITH SAID FIRST CLUTCH PART; A FIRST PULLEY ROTATABLE WITH SAID FIRST CLUTCH PART; A SECOND PULLEY ROTATABLE WITH SAID SECOND CLUTCH PART; AND OTHER MEANS, EFFEFTIVE WHEN SAID SECOND CLUTCH PART; IN OUT OF ENGAGEMENT WITH SAID FIRST CLUTCH PART, CONNECTED BETWEEN SAID FIRST AND SECOND PULLEYS, TO CAUSE SAID SECOND CLUTCH PART TO ROTATE IN A DIRECTION OPPOSITE FROM THE DIRECTION OF SAID FIRST CLUTCH PART, SAID OTHER MEANS COMPRISING A FIRST AUXILIARY PULLEY, A SECOND AUXILIARY PULLEY, A PAIR OF GEARS WHICH MESH TOGETHER, ONE OF SAID GEARS BEING CONNECTED TO SAID FIRST AUXILIARY PULLEY AND THE OTHER OF SAID GEARS BEING CONNECTED TO SAID SECOND AUXILARY PULLEY, FIRST BELT MEANS ENGAGING SAID FIRST
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |