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:
Jan. 23, 2018
Filed:
Jun. 01, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroki Takayanagi, Abiko, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a detecting portion to detect a test toner image formed on an image bearing member, and a shielding member is provided between the detecting portion and the image bearing member and reciprocates between first and second positions. A first opposing portion includes a first member opposed to the image bearing member and provided at a position opposing the image bearing member through an opening in a process of movement of the shielding member, an electrically grounded electroconductive member is disposed in a side opposite a side of the first member opposed to the image bearing member; and a second opposing portion is disposed opposed to the image bearing member and provided at position opposing the image bearing member through the opening in the process of movement of the shielding member from the second position to the first position.