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Sheet feed device and image forming apparatus including the same

A technology for supplying a device and a sheet material, which is applied in the directions of image communication, transportation and packaging, electric recording process applying charge patterns, etc., can solve problems such as poor operability of sheet material replenishment operation, etc., and achieve the effect of improving operability

Active Publication Date: 2017-08-11
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the state where the access cover is open, when replenishing sheets, the highest position in the vertical direction with the access cover open becomes an obstacle, and the operability of the sheet replenishment operation for replenishing sheets is poor.

Method used

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  • Sheet feed device and image forming apparatus including the same
  • Sheet feed device and image forming apparatus including the same
  • Sheet feed device and image forming apparatus including the same

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0091] Figure 6 It is a plan view showing the inner surfaces of the access cover 201 and the side cover 203 according to the first embodiment of the present invention. Fixing screw holes 301 a to 301 c and 302 a to 302 c for fixing the opening and closing cover side stopper 222 d are provided on the inner surface of the opening and closing cover 201 . In addition, locking portions 303a and 303b for fixing the side cover side stopper 222e are provided on the inner surface of the side cover 203 .

[0092] exist Figure 6 In the example shown, the screw holes 301a and 301c for fixing are provided at the same position in the depth direction X and at different positions in the vertical direction Z, and the screw holes 302a and 302c for fixing are provided so as to correspond to the screw holes for fixing respectively. 301a and 301c are located at the same position in the up-down direction Z but are located at different positions in the depth direction X. The fixing screw hole 3...

no. 2 approach

[0102] Next, use Figure 11 , Figure 12 A case where the sheet size of the sheet P loaded on the loading tray 221 is changed to the B5 size will be described. Figure 11 It is a perspective view showing a state where the cover 201 is opened with the cover side stopper 222d and the side cover side stopper 222e attached to the sheet size position of B5. Figure 12 It is a perspective view showing a state where the cover 201 is closed with the cover side stopper 222d and the side cover side stopper 222e attached to the sheet size position of B5.

[0103] When the size of the sheet P loaded on the loading tray 221 is B5, the screw holes 312a, 312c, and 312d of the opening and closing lid side stopper 222d are aligned with the Figure 6 The shown fixing screw holes 302a-302c are aligned and threaded. And the locking piece 322a of the side cover side stopper 222e is fitted into the Figure 6 The locking portion 303b shown positions the positioning protrusion 324 and the screw h...

no. 3 approach

[0108] Next, use Figure 13 , Figure 14 A case where the sheet size of the sheet P loaded on the loading tray 221 is changed to a letter size will be described. Figure 13 It is a perspective view showing a state where the cover 201 is opened with the cover side stopper 222d and the side cover side stopper 222e attached to a letter-sized sheet size position. Figure 14 It is a perspective view showing a state where the cover 201 is closed after the cover-side stopper 222d and the side cover-side stopper 222e are attached to letter-sized sheet size positions.

[0109] When the size of the sheet P loaded on the loading tray 221 is a letter size, the first mounting surface 311b of the opening and closing cover side stopper 222d faces the inner surface of the opening and closing cover 201, and the screw hole 313 is aligned with the inner surface of the opening and closing cover 201. Figure 6 The shown fixing screw holes 302b are aligned and threaded. On the second limiting po...

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PUM

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Abstract

A sheet feed device includes: a stacking tray on which sheets are stacked in such a manner as to be capable of being lifted and lowered; and a position restricting member configured to come into contact with a sheet end portion to restrict a position of the sheets. The position restricting member is provided to an opening / closing member capable of being opened and closed. When the opening / closing member is closed, the position restricting member restricts a position of the sheet end portion in an opening / closing direction of the opening / closing member.

Description

technical field [0001] This application claims the priority of Japanese Patent Application No. 2016-013246 filed in Japan on January 27, 2016. Reference is made here and incorporated into this application in its entirety. [0002] The present invention relates to a sheet feeding device that feeds sheets such as recording paper in a predetermined sheet feeding direction, and image forming apparatuses such as copiers, multifunction peripherals, printers, and facsimile devices equipped with the sheet feeding device. Background technique [0003] As a sheet feeding device that feeds sheets of recording paper or the like in a predetermined sheet feeding direction, conventionally, there are known a loading tray provided with a loading tray capable of loading sheets of recording paper or the like in a liftable manner, and an openable and closable loading tray. A sheet feeding device (so-called sheet feeding device) covering an opening and closing cover of a loading tray (for examp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H1/08
CPCB65H1/08B65H2405/115B65H1/04B65H1/14B65H2301/4222B65H2402/441B65H2402/45B65H2405/1124B65H2801/06G03G15/6511G03G2215/00375G03G2215/00383G03G2215/00396H04N1/0032H04N1/00588H04N1/00604H04N1/00615H04N1/00625B65H1/266B65H2405/15B65H2511/11
Inventor 古本晴久
Owner SHARP KK
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