Cam follower
US9103417B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2013 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Nov 7, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2107
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A lever-type cam follower for a valve train of an internal combustion engine, the cam follower having two side walls which are connected to each other through a crossbar on whose underside, on one end, a support for a gas exchange valve is disposed, the crossbar having a recess through which a roller extends, the roller is supported via a bearing on a pin seated in the side walls, wherein the roller is so narrow that outer front ends of the roller are clearly spaced from and out of contact with longitudinal surfaces of the recess, one guide extension projects from each of the longitudinal surfaces towards a central longitudinal plane of the cam follower, and the roller is guided on inner sides of the at least one guide extension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.