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:
Oct. 20, 1987
Filed:
Jul. 15, 1985
Claude Wartelle, Gouvieux, FR;
Centre Techniques des Industries Mecaniques, Senlis Cedex, FR;
Abstract
The surface of a first fixed member (2) having at least one hydraulic-fluid passage (12, 18) is in contact with the surface of a second movable member (4) controlled by an actuating system (28, 30) and having at least one shut-off zone (6) and at least one recess (20) forming a zone exposing the said passage; at least one of the passages consists of a plurality of nozzles (12) which are pierced in the first member and are at a distance from one another and which are arranged on at least one track (14) directed parallel to the relative movement of the two members; the said actuating system is a step-by-step system driving the movable member in increments of a value d; the recesses (20) and the shut-off zones (6) on the second member are such that the said nozzles are exposed or shut off in turn at each advance of the movable member (4) by an increment d.