US-12623469-B2 - Medium discharge device, post process device, and recording system

US12623469B2US 12623469 B2US12623469 B2US 12623469B2US-12623469-B2

Abstract

The medium discharge device 40 includes a transport path TB for transporting the medium P recorded by the recording device 10 , a discharge section 38 for discharging the medium P transported in the transport path TB, a pair of support sections 60 for supporting the medium P discharged by the discharge section 38 onto a support surface 60 a , and a stacking section 33 provided below the pair of support sections 60 in a gravity direction and on which are stacked the medium P that dropped from the pair of support sections 60 , and the pair of support sections 60 have conductive members.

Inventors

Masaki Miyazawa
Hiroyuki KOSUGE

Assignees

SEIKO EPSON CORPORATION

Dates

Publication Date: 20260512
Application Date: 20230405
Priority Date: 20220408

Claims (11)

1 . A medium discharge device comprising: a transport path configured to transport a medium on which recording was performed by a recording device; a discharge section configured to discharge the medium that was transported through the transport path in a discharge direction; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section, said pair of support sections being movable in a direction transverse to the discharge direction towards one another to a position that supports opposite edges of the medium and away from one another to a position that drops the medium; a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections; and a static electricity discharge section formed of conductive material, wherein the pair of support sections includes a conductive member, and the conductive member is grounded to the static electricity discharge section.
2 . The medium discharge device according to claim 1 , wherein the pair of support sections are configured to open and close by moving in opposite directions from each other in a width direction, which intersects the discharge direction of the medium and the medium is dropped onto the stacking section by opening the pair of support sections.
3 . The medium discharge device according to claim 1 , wherein the pair of support sections includes the conductive member at least on the support surfaces.
4 . The medium discharge device according to claim 1 , wherein the pair of support sections includes facing surfaces facing the stacking section, and the conductive member is provided at least on the facing surfaces.
5 . The medium discharge device according to claim 1 , wherein the conductive member includes a conductive resin.
6 . The medium discharge device according to claim 1 , wherein the conductive member is a sheet member provided on at least a portion of surfaces of the pair of support sections.
7 . The medium discharge device according to claim 1 , wherein the conductive member is a coat member coated on at least a portion of surfaces of the pair of support sections.
8 . The medium discharge device according to claim 1 , wherein the conductive member is provided at least on the support surfaces and is a low-friction member having a static friction coefficient, with respect to the medium, that is smaller than that of the support surfaces.
9 . The medium discharge device according to claim 1 , further comprising: a charge removing section provided in the transport path and configured to remove charge from the medium transported in the transport path.
10 . A post process device comprising: a transport path configured to transport a medium on which recording was performed by a recording device; a post process section configured to perform a post process on the medium on which recording was performed by the recording device; a discharge section configured to discharge the medium that was transported through the transport path in a discharge direction; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section, said pair of support sections being movable in a direction transverse to the discharge direction towards one another to a position that supports opposite edges of the medium and away from one another to a position that drops the medium; a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections; and a static electricity discharge section formed of conductive material, wherein the pair of support sections includes a conductive member, and the conductive member is grounded to the static electricity discharge section.
11 . A recording system comprising: a recording device and a post process device configured to perform a post process on a medium on which recording was performed by the recording device and to discharge the medium, wherein the post process device includes a transport path configured to transport the medium on which recording was performed by the recording device; a post process section configured to perform a post process on the medium on which recording was performed by the recording device; a discharge section configured to discharge the medium that was transported through the transport path in a discharge direction; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section, said pair of support sections being movable in a direction transverse to the discharge direction towards one another to a position that supports opposite edges of the medium and away from one another to a position that drops the medium; a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections, wherein the pair of support sections includes a conductive member, the conductive member is provided at least on the support surfaces; a static electricity discharge section formed of conductive material, and the conductive member is grounded to the static electricity discharge section.

Description

The present application is based on, and claims priority from JP Application Serial Number 2022-064374, filed Apr. 8, 2022, the disclosure of which is hereby incorporated by reference herein in its entirety. BACKGROUND 1. Technical Field The present disclosure relates to a medium discharge device, a post process device, and a recording system. 2. Related Art In the related art, various medium discharge devices are used that include a discharge section that discharges a medium and a stacking section that stacks the medium discharged from the discharge section. Among them, there is a medium discharge device in which a medium discharged by the discharge section is supported by a pair of support sections, and the medium is dropped from the pair of support sections onto a stacking section to stack the medium on the stacking section. For example, JP-A-2021-54595 discloses a paper discharge device including a medium support section that supports a medium using a pair of support sections, and a stacking section on which is stacked the medium that dropped from the medium support section. However, in related art medium discharge devices, in which a medium discharged by a discharge section is supported by a pair of support sections and in which the medium is dropped from the pair of support sections onto a stacking section to stack the medium on the stacking section, the pair of support sections may become charged with static electricity due to repeated contact between the medium and the pair of support sections. If the pair of support sections becomes charged with static electricity, then when a medium supported by the pair of support sections is dropped onto the stacking section, or after the medium is dropped onto the stacking section, sometimes the medium is attracted to the pair of support sections by the static electricity so that the alignment property on the stacking section degrades. SUMMARY In order to solve the above problem, a medium discharge device according to the present disclosure includes a transport path configured to transport a medium on which recording was performed by a recording device; a discharge section configured to discharge the medium that was transported through the transport path; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section; and a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections, wherein the pair of support sections includes a conductive member. In order to solve the above problem, a post process device according to the present disclosure includes a transport path configured to transport a medium on which recording was performed by a recording device; a post process section configured to perform a post process on the medium on which recording was performed by the recording device; a discharge section configured to discharge the medium that was transported through the transport path; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section; and a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections, wherein the pair of support sections includes a conductive member. In order to solve the above problem, a recording system according to the present disclosure includes a recording device and a post process device configured to perform a post process on a medium on which recording was performed by the recording device and to discharge the medium, wherein the post process device includes a transport path configured to transport the medium on which recording was performed by the recording device; a post process section configured to perform a post process on the medium on which recording was performed by the recording device; a discharge section configured to discharge the medium that was transported through the transport path; a pair of support sections configured to support, on support surfaces, the medium discharged by the discharge section; and a stacking section that is provided below the pair of support sections in the gravity direction and on which is stacked the medium that dropped from the pair of support sections, wherein the pair of support sections includes a conductive member. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a recording system according to a first embodiment of the present disclosure. FIG. 2 is a front view showing internal configuration of a medium discharge device of the recording system of FIG. 1. FIGS. 3A to 3C are side views of the medium discharge device of FIG. 2, as viewed from a discharge direction. FIG. 4A to 4C are side views of the medium discharge device of FIG. 2, as viewed from the discharge direction, and is a view for explaining a problem when closing the lower