Idler wheel and method for manufacturing idler wheel
US11358662B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2019 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Apr 16, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D55/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
With an idler, a first member includes a first boss portion, a first rim portion, and a side plate. A second member includes a second boss portion, a second rim portion, and a side plate. A third member includes a third boss portion having a third axle hole portion configured to allow insertion of an axle. The third boss portion is disposed between the first boss portion and the second boss portion. A first welded portion is formed between the second boss portion and the third boss portion and connects the second and third boss portions. A second welded portion is formed between the first boss portion and the third boss portion and connects the first and third boss portions. A third welded portion is formed between the first rim portion and the second rim portion and connects the first and second rim portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.