Binding device and image processing apparatus

Patent metadata

Field	Value
Publication number	US-10513140-B2
Application number	US-201715789497-A
Country	US
Kind code	B2
Filing date	Oct 20, 2017
Priority date	Apr 4, 2017
Publication date	Dec 24, 2019
Grant date	Dec 24, 2019

Abstract

A binding unit includes a pressing portion that binds a recording material bundle, which includes a first pressing portion pressing against the recording material bundle in order to bind the recording material bundle and a second pressing portion facing the first pressing portion, an extruding portion that is separately formed from the second pressing portion, and extrudes the second pressing portion toward the first pressing portion, and a driving source that drives the extruding portion, in which the extruding portion is connected to the pressing portion, the pressing portion retracts to a downstream side in a direction where a recording material enters when the recording material enters, and the driving source does not operate in conjunction with movement of the reaction of the pressing portion.

First claim

What is claimed is:

1. A binding device comprising:
a pressing portion that binds a bundle of recording materials and includes a first arm including a first pressing portion at one end of the first arm, the first pressing portion pressing against the bundle of the recording materials and a second arm including a second pressing portion at one end of the second arm, the second pressing portion facing the first pressing portion and pressing against the bundle of the recording materials;
an extruding portion that is connected to the pressing portion and extrudes the second pressing portion toward the first pressing portion; and
a driving source that drives the extruding portion,
wherein the first arm and the second arm retract to a downstream side in a transport direction of the recording materials when the recording material is transported to a position where the second pressing portion is configured to face the first pressing portion,
wherein the driving source does not retract in conjunction with the retraction of the pressing portion, and
wherein the extruding portion has a jack structure including a link that changes a distance between a starting point portion that serves as a starting point of extruding and is connected on an other end side of the member of the pressing portion and an action point portion that acts on the second pressing portion.

2. The binding device according to claim 1 , further comprising:
a frame to which the driving source is fixed.

3. The binding device according to claim 2 , further comprising:
a transmission unit that transmits a driving force from the driving source fixed to the frame,
wherein the extruding portion further comprises a configuration member that causes an extrusion force to the second pressing portion, and
the transmission unit directly transmits the driving force to the configuration member.

4. The binding device according to claim 1 ,
wherein the extruding portion extrudes the second pressing portion toward the first pressing portion, and
wherein the pressing portion comprises a member that includes the first pressing member at one end side and that is connected to the extruding portion on the other end side.

5. The binding device according to claim 1 , wherein an other end of the first arm and an other end of the second arm are connected by a shaft.

6. The binding device according to claim 5 , further comprising at least one guide member that guides the shaft in the transport direction of the recording materials.

Assignees

• Fuji Xerox Co Ltd

Inventors

• Awano Hiroaki
• Nobe Yutaka
• Kurihara Satoshi

Classifications

• B42C1/12

  Machines for both collating or gathering and permanently attaching together the sheets or signatures · CPC title

• B65H2408/1222

  movable transversely to direction of transport · CPC title

• B65H37/04 Primary

  for securing together articles or webs, e.g. by adhesive, stitching or stapling (adhering replacement to expiring web during change of web roll B65H19/18) · CPC title

• B65H2801/27

  Devices located downstream of office-type machines · CPC title

• G03G15/50

  Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control (sequencing control G03G21/14) · CPC title