Soil drainage trenching and aerating apparatus
Abstract
Abstract SOIL DRAINAGE, TRENCHING AND AERATING APPARATUS FOR FORMING AERATING AND DRAINAGE TRENCHES IN TURFED FIELDS. THE APPARATUS IS ADAPTED TO BE DRAWN BEHIND A TRACTOR AND INCLUDES A ROTATABLE TRENCHING WHEEL MOUNTING A PLURALITY OF OPPOSITELY PITCHED AND CIRCUMFERENTIALLY SPACED SOIL REMOVING BLADES FOR REMOVING SUBSOIL TO FORM A TRENCH OF A PREDETERMINED WIDTH. A TORPEDO-SHAPED TRENCH WIDENING DEVICE FOLLOWS IN THE PATH OF THE TRENCHING WHEEL FOR WIDENING DEVICE FOLLOWS IN THE PATH OF THE TRENCHING WHEEL THEREOF BY COMPACTING THE SOIL THEREAROUND. A PIVOTALLY MOUNTED HOPPER, CARRYING TRENCH-FILLING PELLETIZED MATERIAL, IS ALSO PROVIDED FOR FILLING THE TRENCH WITH RANDOMLY ARRANGED PELLETIZED MATERIAL WHICH PERMITS THE SURFACE WATER TO FLOW BETWEEN THE INTERSTICES OF THE PELLETIZED MATERIAL TO THE WIDENED PORTION OF THE TRENCH. CAM APPARATUS, OPERATIVELY CONNECTED WITH THE TRENCHING WHEEL, IS PROVIDED TO AGITATE THE TRENCH WIDENING DEVICE AND SIMULTANEOUSLY AGITATE THE HOPPER TO SHAKE THE PELLETIZED MATERIAL FROM THE HOPPER INTO THE TRENCH.
Inventors
- 👤 Henry Joseph Brettrager
Bibliographic Details
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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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |