Patents
US 11173560 B2: Cutter with positive seated round blade sticks for bevel gear cutting
- Granted
- 2021-11-16
- Filed
- 2017-11-14 application 16343908
- Type
- Utility · 8 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A cutter head (30) having stick blades (82) with a circular (62) or partially circular (72, 92, 102, 112, 122) cross-section wherein the circular part of the cross-section is dominating. The cutter head preferably includes cutter head slots (31) having a five-sided cross-section which will provide a defined positive seating between a clamp block (34) and the surfaces of the slots (35, 36). The stick blades cross-section preferably includes at least one flat section (77, 81, 98, 108, 109 118, 119, 128).
Source: PVGPATDIS, file of 2026-04-10 (ipg211116.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| THE GLEASON WORKS 68 patents | US company or organization | Rochester, NY | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Hermann J. Stadtfeld | Webster, NY | 34 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B23F | Making gears or toothed racks | B23F21/226 | PVGPATDIS, file of 2026-04-10 |
| B23C | Milling | B23C5/22 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-06-30 | Security interest Security interest Us patent security agreement | GLEASON CUTTING TOOLS CORPORATION signed 2022-06-30 GLEASON METROLOGY SYSTEMS CORPORATION signed 2022-06-30 THE GLEASON WORKS signed 2022-06-30 | MANUFACTURERS AND TRADERS TRUST COMPANY BUFFALO, NY | 60556/795 | PASDL, file of 2026-10-15 |
| 2019-05-16 | Assignment Assignment of assignor's interest | STADTFELD, HERMANN J. signed 2019-05-16 | THE GLEASON WORKS ROCHESTER, NY | 49194/661 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.