Patents
US 10391562 B2: Machine spindle with ejecting means
- Granted
- 2019-08-27
- Filed
- 2015-09-04 application 15504432
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A workholding apparatus (10) wherein a draw bar (22) effects chucking and de-chucking of a workpiece (W) and wherein un-seating of the workholding apparatus is effected by piston-like mechanisms (30) located in a machine spindle (2).
Source: PVGPATDIS, file of 2026-04-10 (ipg190827.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 |
|---|---|---|---|---|
| William A. Curtis | Stanley, NY | 25 | PVGPATDIS, file of 2026-04-10 | |
| Kenneth E. Glasow | Spencerport, NY | 5 | PVGPATDIS, file of 2026-04-10 | |
| Michael G. Regna | Rochester, NY | 1 | PVGPATDIS, file of 2026-04-10 | |
| Craig R. Ronald | Fairport, NY | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B23B | Turning; boring | B23B31/003 | PVGPATDIS, file of 2026-04-10 |
| B23F | Making gears or toothed racks | B23F23/06 | PVGPATDIS, file of 2026-04-10 |
| B23Q | Details, components, or accessories for machine tools, e.g. arrangements for copying or controlling ; machine tools in general characterised by the construction of particular details or components; combinations or associations of metal-working machines, not directed to a particular result | B23Q7/006 | PVGPATDIS, file of 2026-04-10 |
| Y10S | Technical subjects covered by former uspc cross-reference art collections [xracs] and digests | Y10S279/901 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T409/309464 | 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 |
|---|---|---|---|---|---|
| 2018-03-01 | Security interest Security interest Security interest | ALLIANCE TOOL CORPORATION signed 2018-02-28 GLEASON CORPORATION signed 2018-02-28 GLEASON CUTTING TOOLS CORPORATION signed 2018-02-28 GLEASON GERMANY (HOLDINGS) GMBH signed 2018-02-28 GLEASON INTERNATIONAL HOLDINGS, LLC signed 2018-02-28 GLEASON METROLOGY SYSTEMS CORPORATION signed 2018-02-28 GLEASON SALES (AMERICAS) CORPORATION signed 2018-02-28 GLEASON SALES CORPORATION signed 2018-02-28 THE GLEASON WORKS signed 2018-02-28 | MANUFACTURERS AND TRADERS TRUST COMPANY BUFFALO, NY | 45482/170 | ECORSEXC, file of 2026-09-25 |
| 2017-05-22 | Assignment Assignment of assignor's interest | REGNA, MICHAEL G. signed 2017-05-10 RONALD, CRAIG R. signed 2017-05-10 CURTIS, WILLIAM A. signed 2017-05-16 GLASOW, KENNETH E. signed 2017-05-22 | THE GLEASON WORKS ROCHESTER, NY | 42446/318 | 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.