Wrist pin, connecting rod, piston and piston assembly therewith and methods of constructing and assembling the same
US8286607B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2009 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Feb 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2173
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A piston assembly and method of assembly thereof, a wrist pin, a piston, a connecting rod, and methods of construction thereof is provided. The assembly includes a piston body having a pair laterally spaced pin bosses with a feature to prevent relative rotation of a first wrist pin member. The assembly has a connecting rod with a small end bore extending along a central axis and allowing relative rotation of the first wrist pin member and a feature with the small end bore to prevent relative rotation of a second wrist pin member. The first and second wrist pin members are moveable relative to one another, wherein the first and second members extend substantially parallel to the central axis through the small end bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.