Hydraulic trim cylinder for marine stern drives and outboard motors
US5980339A · kind A · utility
4Cited by
2References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Nov 12, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B61/045
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
It is an object of the current invention to provide a trim cylinder that is cost effective; it is further an object of the invention to provide a cylinder that has few parts, less than one-third the number of parts of present art; it is further an object of the invention to provide a unique and simple check valve for operation as a shock absorber and further to provide passages integral of the extruded or molded body allowing plumbing to be attached at one end only of the cylinder; also to eliminate the plastic shroud which normally covers unsightly plumbing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.