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:
Mar. 24, 1981
Filed:
Sep. 27, 1979
Horst Pfeiffer, Aldingen, DE;
J. Hengstler K. G., Aldingen, DE;
Abstract
A frame carries a track. A voltage-applying circuit is carried by said frame and comprises a plurality of contact segments. An electrode holder is carried by said frame and in sliding contact with said track and movable relative to said circuit along said track between inoperative and operative positions. A plurality of leaf springs are carried by said electrode holder. Each of said leaf springs comprises a sliding contact portion protruding from said electrode holder and arranged to be in sliding contact with an associated one of said contact segments when said electrode holder is in said operative position. Each of said leaf springs comprises also a marking electrode portion protruding from said electrode holder and adapted to engage said metal coated paper when said electrode holder is in said operative position, and to be lifted from said paper when said electrode holder is in said inoperative position.