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:
Apr. 12, 1983
Filed:
Mar. 27, 1981
Yoshiro Suzuki, Hachioji, JP;
Olympus Optical Company Limited, Tokyo, JP;
Abstract
A transfer roller for electrophotographic apparatus for transferring a toner image formed on a latent image electric charge holding body to a record sheet by making the record sheet close contact with the latent image electric charge holding body, comprising an electrically conductive roller shaft connected to a transfer bias electric source and operative to apply a given transfer bias voltage between the roller shaft and the latent image electric charge holding body and an electrically conductive resilient member coated around the outer periphery of the electrically conductive roller shaft and having a resistance value which is increased in a continuous or stepwise manner toward the respective end faces at two end portions of the electrically conductive resilient member.