Gear with involute teeth
Abstract
Abstract A GEAR HAS INVOLUTE TEETH ARRANGED IN A CIRCULAR AND COAXIAL GROUP ON ONE OR BOTH LATERNL FACES OF A CYLINDRICAL OR DISC-SHAPED GEAR BODY. IN THE AXIAL DIRECTION THE TEETH HAVE A WEDGE-LIKE SHAPE WHOSE WIDTH INCREASES TOWARD THE PART OF ATTACHMENT OF THE TOOTH. THE UTILIZABLE PORTION OF THE TEETH FLANKS IS SHAPED SO AS TO REMAIN IN CONTINUOUS ROLLING ENGAGEMENT IN BOTH ROLLING DIRECTIONS WITH A REFERENCE RACK CONFIGURATION OF CONSTANT DIVISION WHOSE TEETH WIDTH CONTINUOUSLY VARIES IN THE DIRECTION PARALLEL TO THE GEAR AXIS. IN A GEAR PAIR SUCH A GEAR MESHES WITH ANOTHER GEAR OF THE SAME TOOTH DESIGN WHOSE AXIS OF ROTATION IS PARALLEL TO THAT OF THE FIRST-MENTIONED GEAR. WHILE THE ABOVE-MENTIONED RACK CONCEPT SERVES TO GEOMETRICALLY DEFINE THE GEAR TEETH, A RACK OF THIS TYPE MAY ALSO SERVE AS A TOOL FOR PRODUCING THE TOOTH FLANKS OF THE GEAR.
Inventors
- 👤 Karlheinz Roth
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |