Hydraulic pressure cylinder with integrated reservoir
US4544075A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1985 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | Jan 28, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/31
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hydraulic pressure cylinder with an integrated reservoir which includes a cylinder body of strengthened resin, a reservoir tank of strengthened resin molded with the cylinder body as one body and having a wall portion and an opening formed in the wall portion of the reservoir tank and having a frame portion defined by the opening, and a window plate formed of resin material soluble in said strengthened resin and having a high transparency characteristic, the window plate including a flange which is welded to an inner surface of a wall portion of a reservoir tank and a projecting part which projects from the flange toward an outer surface of the wall portion of the reservoir tank along the frame portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.