Connection structure for automatic transmission
US7559867B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 17, 2006 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Mar 4, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A connection structure for an automatic transmission includes a drum member that includes a base portion, an outer diameter portion that extends from an outer diameter side of the base portion in an axial direction, and a collar portion that extends from an inner diameter side of the base portion in the axial direction; a base member that includes a raised portion, an outer diameter portion that extends from an outer diameter side of the raised portion in the axial direction, a boss portion that extends from an inner diameter side of the raised portion in the axial direction, and a connection portion that extends from an end of the outer diameter portion; and a ring gear of a planetary gear that includes a spline groove and a circular concave groove on an end portion of an inner peripheral face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.