Patents
US 11585368 B2: Self-locking screw for bevel gear cutter
- Granted
- 2023-02-21
- Filed
- 2020-02-19 application 16794803
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A self-locking screw wherein the self-locking function is maintained during many cutter head building and truing cycles. The inventive screw includes a self-locking feature having high elasticity and high self-locking torque. The screw includes a slot filled with an elastic compliant material.
Source: PVGPATDIS, file of 2026-04-10 (ipg230221.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 |
|---|---|---|---|
| F16B | Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointing | F16B39/30 | 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 |
| 2020-03-09 | Assignment Assignment of assignor's interest | STADTFELD, HERMANN J. signed 2020-03-09 | THE GLEASON WORKS ROCHESTER, NY | 52057/353 | 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.