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.

Date of Patent:
Aug. 06, 2013

Filed:

Feb. 28, 2012
Applicant:

Hiroyuki Nakayama, Suwa, JP;

Inventor:

Hiroyuki Nakayama, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 3/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drop in performance can be easily resolved when the retard roller becomes worn. A hopper disposed to a main unit stores sheets in a stack. A conveyance path conveys sheets from the hopper. A feed roller is disposed facing the conveyance path. A retard unit has a retard roller is disposed opposite the feed roller with the conveyance path therebetween, and a torque limiter connected coaxially to the retard roller. An urging means urges the retard unit so that the retard roller presses against the feed roller. The retard unit is removably installed to the main unit.


Find Patent Forward Citations

Loading…