Fluid reservoir having a seal and cover
US4558798A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1985 |
| Grant date | Dec 17, 1985 |
| Priority date | — |
| Expiry date | Feb 22, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/225
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a fluid reservoir unit designed for reserving a liquid such as brake oil and the like as applied in the field of hydraulic brake system, especially of such construction that there is provided a force ring adapted to engage in cooperation with the top surface of the circumferential edge of a diaphragm covering the opening at the top end of the reservoir body of cylindrical shape, the force ring being defined at its outer circumferential surface with a flanged portion having threads for the purpose that when installing the diaphragm and the force ring onto the cap to be threadedly engaged with the outer circumference of the top end of the reservoir body, the threads in the flanged portion is led to working position while engaging threadedly with the female threads defined in the inner circumferential surface of the cap, so that the flanged portion may be put to dwell loosely rotatably in the inside of the female threads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.