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. 24, 1984
Filed:
Oct. 28, 1982
Arthur L Goldfinch, Henley Beach, AU;
Better Methods, Inc., Secaucus, NJ (US);
Abstract
A magnet roll for the toning of electrostatic latent images comprising a central rectangular core mounted to be rotatable about an axis through an angle of about 180.degree. from a first to a second position and carrying face magnetized permanent magnet segments on one rectangular face thereof, and a non-magnetizable cylindrical hollow shell mounted coaxially with the core and adapted to rotate about the axis of the core to allow the face magnetized permanent magnet segments to be moved to a first position to face a member containing an electrostatic latent image on the surface thereof during toning of the electrostatic latent image but rotatable to the second position whereby a magnetic toner carried on the cylindrical hollow shell is removed from the surface of the cylindrical hollow shell in the toning position.