KR20140084985A - Apparatus for printing image - Google Patents
Apparatus for printing image Download PDFInfo
- Publication number
- KR20140084985A KR20140084985A KR1020120155050A KR20120155050A KR20140084985A KR 20140084985 A KR20140084985 A KR 20140084985A KR 1020120155050 A KR1020120155050 A KR 1020120155050A KR 20120155050 A KR20120155050 A KR 20120155050A KR 20140084985 A KR20140084985 A KR 20140084985A
- Authority
- KR
- South Korea
- Prior art keywords
- roller
- guide
- image forming
- print medium
- extending
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/422—Handling piles, sets or stacks of articles
- B65H2301/4222—Squaring-up piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/30—Other features of supports for sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
Abstract
An image forming apparatus according to an embodiment of the present invention is an image forming apparatus including a paper feed cassette for storing a print medium, the paper feed cassette including: an outer case; An inner fence provided inside the outer case so as to be laterally movable; And a guide member rotatably coupled to the inner fence, wherein the guide member includes: a pressing portion that is pressed by the print medium; And a guide portion extending upward from an outer end of the pressing portion.
Description
The present invention relates to an image forming apparatus for forming an image on a print medium containing paper.
The image forming apparatus is an apparatus that is coupled to a host apparatus including a computer and outputs image data transmitted from the host apparatus to a print medium including paper in accordance with a print signal applied from the host apparatus.
Such an image forming apparatus includes a paper feed cassette for loading a print medium.
The paper feed cassette should be loaded with print media such as paper in a well-aligned state. If the printing medium is not aligned properly, skew occurs in the conveying process, jam occurs, printing quality is lowered, and the device is broken.
The conventional image forming apparatus has a problem in that it can not properly display the print medium aligning function while adopting a complicated structure for aligning the print medium.
An object of the present invention is to provide an image forming apparatus capable of properly aligning and storing print media even with a simple structure.
An image forming apparatus according to an embodiment of the present invention is an image forming apparatus including a paper feed cassette for storing a print medium, the paper feed cassette including: an outer case; An inner fence provided inside the outer case so as to be laterally movable; And a guide member rotatably coupled to the inner fence, wherein the guide member includes: a pressing portion that is pressed by the print medium; And a guide portion extending upward from an outer end of the pressing portion.
The guide members may be provided on the left and right sides.
Wherein the guide portion includes: a lower end portion extending upward from an end portion of the pressing portion; An intermediate inclined portion extending obliquely inward in the left-right direction from the lower end portion; And an upper end portion extending upward from the intermediate inclined portion, wherein the upper end portion may be positioned laterally inward than the lower end portion.
The pressing portion includes a front-rear extending portion extending in the front-rear direction; And a left and right extended portion extending in the left-right direction from the front-rear extended portion, and the guide portion can be coupled to the outer ends of the left and right extended portions.
The rotating shaft may be coupled to a point where the pressing portion and the guide portion are in contact with each other.
The elastic member may be a coil spring whose one end is coupled to the guide portion and the other end is coupled to the outer case.
The elastic member may have one end supported by the guide portion and the other end supported by the inner case.
According to the image forming apparatus of the embodiment of the present invention, since the leading end of the printing medium is accurately supplied while being aligned in the image outputting process, the printing quality can be improved and the risk of failure can be reduced.
In addition, while the guide member functions to align the print medium, the friction force with the print medium can be minimized.
1 is a perspective view schematically showing an image forming apparatus according to an embodiment of the present invention.
2 is a view showing a conveying path of a printing medium in an image forming apparatus according to an embodiment of the present invention.
3 and 4 are perspective views showing a paper feed cassette of an image forming apparatus according to an embodiment of the present invention.
5 is a perspective view showing the guide member.
6 is a perspective view showing another form of the guide member.
7 is a perspective view showing another form of the paper feed cassette.
Hereinafter, an image forming apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing the construction of an image forming apparatus according to an embodiment of the present invention, and FIG. 2 is a view schematically showing a conveyance path of a print medium.
1 and 2, an
In detail, the paper feeding roller unit includes a first pick-
The discharge roller unit includes a
The delivery unit includes a
The
The
The
The printing process of the
Hereinafter, the conveyance path of the print medium loaded in the paper feed cassette 100 will be described in detail with reference to the drawings.
2 is a view showing a print medium conveyance path of the image forming apparatus according to the embodiment of the present invention.
2, an
In detail, on the front side of the first and second pick-
On the other hand, a
A
On the other hand, in the case of the
A path denoted by A in the drawing can be defined as a print path, and a path denoted by B can be defined as an inversion path. The print path A may include a paper feed path and a paper path. Here, the paper path refers to a path through which the print medium moves to the
Here, the pick-up
The
The rollers bundled with the dashed line M1 can receive the rotational force from the
3 to 5, the configuration of the paper cassette 100 will be described in more detail.
FIGS. 3 and 4 are perspective views schematically showing a paper feed cassette included in the image forming apparatus according to an embodiment of the present invention, and FIGS. 5 and 6 are perspective views showing only the guide member 50 separately.
The paper cassette 100 includes an
The
A
The
The
The
The
The
The
The
6, the
One end of the
At this time, the
However, the shape and the coupling position of the
7, one end of the
Hereinafter, the operation of the paper feed cassette having the above-described structure will be described.
In a state in which the print medium is not lifted, the paper feed cassette maintains the shape as shown in Fig. 3 or Fig.
In this state, the lateral width of the
Then, the print medium is placed between the side wall portions of the inner fence as shown in Fig.
4, the left and right
The
It is possible to prevent a skew phenomenon in which the printing medium is twisted when the printing medium is supplied while being aligned with each other and also to prevent the printing medium from being jammed due to the skew phenomenon, The image forming apparatus can be stably used without failures.
In addition, since the upper portion of the print medium fed to the conveyance path is pressed narrower in both the left and right directions by the
In addition, since only the
10: Image forming apparatus 12: Paper feeding guide
13: main motor 14: gear assembly
15: Feeder motor 16: Duplex motor
17: guide plate 18: image forming unit
19: Badge guide 20: Badge guide cover
21: Ink Supply Unit 30: Feed Roller
31: first pick-up roller 32: acceleration roller
33: second pick-up roller 34: conveying roller
35: Draw-in roller 36: Draw-out roller
37: Vertical roller 38: Feed rollers
381: Badge idle roller 382: Reverse idle roller
39, 40, 41: Feed roller 100: Paper feed cassette
110: outer case 111: bottom part
112: side wall portion 113:
114: engaging portion 120: inner fence
130: rack 140: pinion
150: guide member 151:
151a: a front-
152: guide
152b: intermediate
152d: upper connection part 160: elastic member
Claims (7)
The paper-
An outer case;
An inner fence provided inside the outer case so as to be laterally movable;
And a guide member rotatably coupled to the inner fence,
The guide member
A pressing portion which is pressed by the printing medium;
And a guide portion extending upward from an outer end of the pressing portion.
And the pair of guide members are provided on the left and right sides.
The guide portion
A lower end extending upwardly from an end of the pressing portion;
An intermediate inclined portion extending obliquely inward in the left-right direction from the lower end portion;
And an upper end extending upward from the intermediate inclined portion,
And the upper end portion is located inward in the lateral direction than the lower end portion.
The pressing portion includes a front-rear extending portion extending in the front-rear direction;
A left-right extension extending in the left-right direction from the front-rear extended portion,
And the guide portion is coupled to an outer end of the right and left extended portions.
Wherein the rotation shaft is coupled to a point where the pressing portion and the guide portion are in contact with each other.
Wherein the elastic member is a coil spring whose one end is connected to the guide portion and the other end is coupled to the outer case.
Wherein the elastic member has one end supported by the guide portion and the other end supported by the inner case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120155050A KR20140084985A (en) | 2012-12-27 | 2012-12-27 | Apparatus for printing image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120155050A KR20140084985A (en) | 2012-12-27 | 2012-12-27 | Apparatus for printing image |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20140084985A true KR20140084985A (en) | 2014-07-07 |
Family
ID=51734772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020120155050A KR20140084985A (en) | 2012-12-27 | 2012-12-27 | Apparatus for printing image |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20140084985A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017010737A1 (en) * | 2015-07-14 | 2017-01-19 | 에스프린팅솔루션주식회사 | Automatic mounting apparatus and image forming apparatus including same |
-
2012
- 2012-12-27 KR KR1020120155050A patent/KR20140084985A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017010737A1 (en) * | 2015-07-14 | 2017-01-19 | 에스프린팅솔루션주식회사 | Automatic mounting apparatus and image forming apparatus including same |
US10768567B2 (en) | 2015-07-14 | 2020-09-08 | Hewlett-Packard Development Company, L.P. | Automatic mounting apparatus and image forming apparatus including same |
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WITN | Withdrawal due to no request for examination |