Pneumatic three-position shift mechanism with fewer components
US6484600B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2001 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | May 9, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20183
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved transfer case has fewer parts than the prior art to achieve the pneumatic three-position function. In the prior art the pneumatic cylinders were provided by bolt-on housings which required additional components to achieve a fluid tight connection. The present invention incorporates its fluid cylinders within bores formed into the transfer case housings. In this way, the required number of housing components is greatly reduced compared to the prior art.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.