Railcar bogie and railcar including same
US10793167B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2016 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Jun 23, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Invention includes bogie frame and single link type traction device coupling frame and carbody and transmitting force to carbody, force acting on bogie frame. Single link type traction device includes single link member, receiving seat, and first fastening member. Link member couples center pin of carbody and bogie frame and extends in car longitudinal direction. Receiving seat is provided at fixation target object constituted by center pin or bogie frame, and link member is fixed to receiving seat. First fastening member includes bolt and nut and fixes an end portion of link member to receiving seat. Bolt is inserted into end portion of link member and receiving seat from one side in car longitudinal direction, and nut is threadedly engaged with bolt from other side in car longitudinal direction. Receiving seat includes through hole into which bolt is inserted and nut accommodating space communicating with through hole and accommodating nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.