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:
May. 21, 1996
Filed:
Jul. 07, 1994
Applicant:
Inventors:
Michel Vandromme, Le Plessis Brion, FR;
Charles Pileur, Noyon, FR;
Assignee:
Yves Saint Laurent Parfums, Neuilly sur Seine, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4174131 ; 417415 ;
Abstract
The device concerned is for pumping a fluid, and it comprises a piston (206) movable in a metering chamber (208). This piston is driven by a motor through coupling means which include a rotating head (236), provided with a guide path (238) at least locally slanting relative to the axis of the device, as well as a driving part (240) connected with the piston and moving along the guide path.