Envelope spreader system for enveloping a retreaded tire
US12257798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2023 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/543
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An envelope spreader system includes a chassis having an opening, a linkage assembly comprising a plurality of links rotatably coupled to the chassis and extending into the opening, and an actuator operably coupled to the linkage assembly and configured to operate the linkage assembly between a first position and a second position. The plurality of links includes a primary link having a primary link first end rotatably coupled to the chassis at a first fixed pivot point and a primary link second end configured to operably engage a portion of a tire envelope and a secondary link having a secondary link first end rotatably coupled to the chassis at a second fixed pivot point and a secondary link second end configured to engage a portion the tire envelope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.