Plastic primary piston with insert for a tandem penetration-type master cylinder and a master cylinder equipped with such a piston
US9581241B2 · kind B2 · utility
0Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2011 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Aug 28, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T11/236
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A primary piston of molded plastic material equipped with a metallic insert and having grooves, mounted in a master cylinder comprising at least a primary piston and a secondary piston mounted in the bore hole of the master cylinder. These pistons can create pressure, respectively, in a primary pressure chamber and in a secondary pressure chamber due to the action of a push rod on the primary piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.