Dual tandem power piston-attachment concept
US6920818B2 · kind B2 · utility
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8References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 8, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Jun 23, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T13/563
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle braking system vacuum booster tandem power piston connection design such that the primary piston and the secondary piston are positioned together forming the tandem power piston. A connection design that provides direct alignment between the primary piston and secondary piston upon assembly and also provides an airtight seal between the primary piston and the secondary piston when assembling the tandem power piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.