The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 2005
Filed:
Apr. 08, 2003
Michel J. Vermoesen, Miamisburg, OH (US);
Ryan M. Elking, Miamisburg, OH (US);
Patrick T. Maclellan, Springboro, OH (US);
Derek T. Dreischarf, Kettering, OH (US);
Michel J. Vermoesen, Miamisburg, OH (US);
Ryan M. Elking, Miamisburg, OH (US);
Patrick T. MacLellan, Springboro, OH (US);
Derek T. Dreischarf, Kettering, OH (US);
Delphi Technologies, Inc., Troy, MI (US);
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.