Patents
US 8186920 B2: Clinch element and method and apparatus for attaching a clinch element to a panel
- Granted
- 2012-05-29
- Filed
- 2008-03-04 application 12041980
- Type
- Utility · 8 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A clinch element including a body portion having an annular lip portion projecting from an end face of the body portion including an arcuate free end and a frustoconical outer surface. One embodiment includes an annular lip projecting from both end faces of the body portion. A method of attaching the clinch element to one or two panels which includes driving the free end of the lip portion against an outwardly inclined frustoconical chamfered face of a die cavity, deforming the annular lip over the panel and a die member having a projecting piloting point and an annular die cavity surrounding the piloting point.
Source: PVGPATDIS, file of 2026-04-10 (ipg120529.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Whitesell International Corporation 13 patents | US company or organization | Taylor, MI | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| David Shuart | Summerville, SC | 9 | PVGPATDIS, file of 2026-04-10 | |
| John M. Parker | Ann Arbor, MI | 9 | PVGPATDIS, file of 2026-04-10 | |
| Robert G. Walker | Livonia, MI | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B23P | Metal-working not otherwise provided for; combined operations; universal machine tools | B23P19/062 | PVGPATDIS, file of 2026-04-10 |
| F16B | Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointing | F16B19/02 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T29/49915 | 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 |
|---|---|---|---|---|---|
| 2023-06-08 | Correction Corrective assignment to correct the conveying party name previously recorded on reel 044417 frame 0498. assignor(s) hereby confirms the change of name. | WHITESELL FORMED COMPONENTS, INC. signed 2017-07-19 | PENN AUTOMOTIVE, INC. WILMINGTON, DE | 63930/978 | ECORSEXC, file of 2026-09-25 |
| 2017-11-10 | Name change Change of name | WHITESELL INTERNATIONAL CORP. signed 2017-07-19 | PENN AUTOMOTIVE, INC. WILMINGTON, DE | 44417/498 | ECORSEXC, file of 2026-09-25 |
| 2017-08-21 | Release of security interest Release of security interest | WELLS FARGO BANK, NATIONAL ASSOCIATION signed 2017-08-16 | WHITESELL INTERNATIONAL CORPORATION MUSCLE SHOALS, AL | 43636/507 | ECORSEXC, file of 2026-09-25 |
| 2017-07-10 | Security interest Security interest Patent security agreement | WHITESELL FORMED COMPONENTS, INC. signed 2017-06-27 | JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT CHICAGO, IL | 43140/920 | ECORSEXC, file of 2026-09-25 |
| 2017-05-12 | Name change Change of name | WHITESELL INTERNATIONAL CORPORATION signed 2013-12-19 | WHITESELL FORMED COMPONENTS, INC. WATERFORD, MI | 42452/702 | ECORSEXC, file of 2026-09-25 |
| 2008-03-04 | Assignment Assignment of assignor's interest | PARKER, JOHN M. signed 2008-03-03 SHUART, DAVID M. signed 2008-03-03 WALKER, II, ROBERT G. signed 2008-03-03 | WHITESELL INTERNATIONAL CORPORATION TAYLOR, MI | 20597/212 | 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.