Rocker arm assembly with improved latch pin assembly
US12421878B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Oct 31, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2820/01
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rocker arm assembly including a cam side rocker arm portion configured to selectively rotate about a pivot location. A latch pin assembly is provided for selectively latching and deactivating rotation of the cam side rocker arm portion relative to the valve side rocker arm portion about the pivot location. The latch pin assembly includes a latch pin moveable within a cam side bore and a valve side bore. The latch pin includes an outer peripheral surface having a first portion and a second portion. The first portion has a first diameter that is less than a second diameter of the second portion. At least one of the outer peripheral surface of the latch pin or inner surfaces of the cam side bore and the valve side bore is frustoconical-shaped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.