Rocker arm formed by pressing
US5535641A · kind A · utility
15Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1994 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20882
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rocker arm formed by pressing includes: a rocker arm body substantially U-shaped in section which is made of a plate material; and a roller rotatably supported between the side walls of the rocker arm body substantially at the middle, the rocker arm body having a semi-spherical pivot engaging portion at one end, and a valve engaging portion at the other end. In the rocker arm, each of the side walls has a pivot-side portion beside said pivot engaging portion which is smaller in wall thickness than the remaining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.