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. 15, 2014
Filed:
Jan. 30, 2013
Pfu Limited, Kahoku, JP;
Ryoichi Yasukawa, Ishikawa, JP;
PFU Limited, Ishikawa, JP;
Abstract
A medium feeding deviceincludes a feeding rollerwhich conveys a medium Sin a conveying direction, a brake rollerthat is arranged to press the feeding rollerwith a predetermined pressure, and a separating power generating devicewhich is connected to the brake rollerand generates rotational load in a direction counter to the conveying direction with respect to the brake roller. The separating power generating deviceincludes a torque limiterwhich generates an upper limit torque Twhich is a fixed load as a first load generating unit, and an electromagnetic brakewhich can change the generated load as a second load generating unit. The torque limiterand the electromagnetic brakeare connected in parallel to the brake roller