Patents
US 12246503 B2: Expandable rim for tire tread buffing apparatus and method
- Granted
- 2025-03-11
- Filed
- 2024-03-12 application 18603148
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A machine for retreading tires includes a rotatable hub that includes a moveable conical element, and an expandable rim disposed around the rotatable hub. The expandable rim includes a plurality of shoes. Each shoe of the plurality of shoes may have a base portion and a rim portion. The base portion may have a two-piece construction that allows for replacement of a worn interface that may include a channel and a ramp. A method for assembling an expandable rim for use in a tire retreading machine, and a method for servicing a machine having an expandable rim are also disclosed.
Source: PVGPATDIS, file of 2026-04-10 (ipg250311.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Bridgestone Bandag, LLC 101 patents | US company or organization | Nashville, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Eric M. Henriksen | Summit, IA | 10 | PVGPATDIS, file of 2026-04-10 | |
| Todd R. Frisbie | Summit, IA | 4 | PVGPATDIS, file of 2026-04-10 | |
| Christopher J. A. Ferrell | Bettendorf, IA | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B29D | Producing particular articles from plastics or from substances in a plastic state | B29D30/24 | 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 |
|---|---|---|---|---|---|
| 2024-03-27 | Assignment Assignment of assignor's interest | FERRELL, CHRISTOPHER J. A. signed 2015-03-02 FRISBIE, TODD R. signed 2015-03-02 HENRIKSEN, ERIC M. signed 2015-03-02 | BRIDGESTONE BANDAG, LLC NASHVILLE, TN | 66920/734 | 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.