Patents

US 10391569 B2: Lock spring and cutting tool having a lock spring

Granted
2019-08-27
Filed
2016-02-12 application 15544931
Type
Utility · 8 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

A cutter head (4, 6) having a lock spring (30) utilized with an adjustment screw (16) for preventing the adjustment screw from loosening during machining. Once positioned by turning the adjustment screw, a cutting blade (8) will not change position in a mounting slot (10) due to a loosening adjustment screw.

Source: PVGPATDIS, file of 2026-04-10 (ipg190827.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
THE GLEASON WORKS 68 patentsUS company or organizationRochester, NYPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Herman J. StadtfeldWebster, NY1PVGPATDIS, file of 2026-04-10
Anthony J. NorselliHilton, NY6PVGPATDIS, file of 2026-04-10
Mark J. BochEast Rochester, NY3PVGPATDIS, file of 2026-04-10
William G. LandryCanandaigua, NY3PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
B23FMaking gears or toothed racksB23F21/226PVGPATDIS, file of 2026-04-10
B23CMillingB23C5/2472PVGPATDIS, file of 2026-04-10
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointingF16B39/24PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2018-03-01Security 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, NY45482/170ECORSEXC, file of 2026-09-25
2017-11-27Assignment
Assignment of assignor's interest
STADTFELD, HERMANN J. signed 2017-11-06
BOCH, MARK J. signed 2017-11-14
LANDRY, WILLIAM G. signed 2017-11-27
NORSELLI, ANTHONY J. signed 2017-11-27
THE GLEASON WORKS ROCHESTER, NY44221/32ECORSEXC, 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.