End plate for cutter shafts
Abstract
Abstract AN END PLATE MEMBER FOR A CUTTER ROLLER TO BE USED IN CONNECTION WITH MINING OPERATIONS WHICH CUTTER ROLLER HAS A BASIC ROLLER BODY PROVIDED WITH HELICAL FOLLOWER STRIPS FORMING HELICAL PASSAGES THEREBETWEEN, SAID END PLATE MEMBER HAVING AN OUTER DIAMETER APPROXIMATELY EQUALLING THE DIAMETER OF SAID BASIC ROLLER BODY AND BEING EQUIPPED WITH A PLURALITY OF RADIALLY OUTWARDLY PROTRUDING SURFACE SECTIONS CORRESPONDING IN NUMBER TO THE NUMBER OF SAID FOLLOWER STRIPS AND EACH PREFERABLY HAVING A SHAPE CORRESPONDING TO THE SHAPE OF THE END FACE AREA OF A FOLLOWER STRIP, THE INNER END FACE OF SAID END PLATE MEMBER BEING DETACHABLY CONNECTABLE TO THE BASIC ROLLER BODY WHILE THE OUTER END FACE AND THE PERIPHERAL SURFACE OF SAID END PLATE MEMBER ARE EQUIPPED WITH TOOL HOLDERS FOR RECEIVING AND HOLDING CUTTING TOOL MEANS FOR CUTTING THE ROCK OR THE LIKE TO BE MINED.
Inventors
- 👤 Otto Renzing
- 👤 Dieter Jahn
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |