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:
Feb. 27, 1990
Filed:
Jan. 12, 1988
Bertold Grutzmacher, Schriesheim, DE;
Peter T Blaser, Dielheim, DE;
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
Device for positioning an adjusting member which includes a pneumatic adjusting cylinder and an electromagnetically actuated valve operating in a low-wattage range for controlling aeration and venting, respectively, of the adjusting cylinder, comprising an electromagnetic system as well as an armature plate serving simultaneously, as a valve member for venting the cylinder, the armature plate being displaceable from a position thereof at which it defines a maximum air gap with the electromagnetic system to a position thereof at which it defines a zero air gap with the electromagnetic system in an excited condition of said electromagnetic system, said electromagnetic system in said excited condition thereof closing the cylinder against venting, and in the unexcited condition thereof opening the cylinder for venting.