JP2006188363A - Paper loading extension tray - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability by eliminating such a troublesome operation that a paper loading extension tray is re-held after an external cover is opened in the paper loading extension tray tilted together with the opening operation of the external cover swingably opening and closing a body device and drawn in the opened state of the external cover for loading paper sheets thereon. <P>SOLUTION: A handle 12 exposed to the outside of its body is fitted to the end part of the paper loading extension tray 10 in the stored state of the paper loading extension tray 10 stored in the body device so that a user can grasp it, and the portion of the handle 12 to which the hand of the user is applied is faced downward in the closed state of the external cover so that the external cover 2 and the paper loading extension tray 10 can be set at prescribed positions by one operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a sheet stacking extension tray for stacking cut sheets, such as a printer and a copying machine, and more particularly to a sheet stacking extension tray having a structure that can be pulled out from a main unit.

  In the main unit, a paper stacking extension tray for stacking paper is stored, and the paper stacking extension tray that can be pulled out after opening the outer cover opens the outer cover and opens the paper stacking tray ( (Hereinafter abbreviated as “paper tray”), and further, the paper stacking extension tray is formed so that it can be extended in the extension direction as required. Reference 1).

  According to this technology, the sheet stacking extension tray has a mounting portion that can be pulled out by sliding inside the slotted slot, and includes a locking engagement member that also serves as a handle. Are elastically engaged with each other. This technique requires a two-step operation in which the handle is pushed down to release the lock, open the exterior cover, and then pull out the paper stacking extension tray.

  In addition, there is a structure in which a sheet stacking extension tray is coupled so as to be able to turn in a plane in a plane of a sheet feeding device, and is rotated and pulled out (see, for example, Patent Document 2).

In this technique, the paper stacking extension tray is operated separately from opening and closing of the paper feeding device and drawing out of the paper stacking extension tray.
JP-A-5-309895 (page 2-3, FIG. 3) JP-A-8-244986 (page 2-4, FIG. 1)

  As described above, in the paper stacking extension tray that pulls out the tray on which the paper is loaded after the exterior cover is opened, conventionally, the exterior cover is first opened, and then the paper stacking extension tray is re-drawn and then pulled out. .

  An object of the present invention is to improve this, to enable the opening of the exterior cover and the sheet stacking extension tray set in one operation, and to prevent the user from being forced to perform complicated work.

  The present invention has been made to solve the above-described problems, and its technical means falls down with the opening operation of the exterior cover that swings and opens with respect to the main body device, and is pulled out with the exterior cover open. A paper stacking extension tray for stacking paper, provided at one end of the paper stacking extension tray, having a handle exposed to the outside of the main body device with the exterior cover closed, and a portion to which the handle is applied Is a paper stacking extension tray that faces downward with the exterior cover closed.

  According to the present invention, since the paper stacking extension tray can be gripped in the state of being stored in the main body apparatus, it is possible to perform the setting of the paper stacking extension tray in one operation while holding the first gripped portion. it can. That is, it is possible to operate by one operation by grasping the handle of the sheet stacking extension tray, and it can be set without requiring a complicated operation for holding it.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 8 is a perspective view of the printer 1 showing a state in which the exterior cover 2 of the paper feeder is opened and the paper stacking extension tray 10 is pulled out.

  An exterior cover 2 that swings open and closes so as to fall from a substantially vertical posture is attached to the paper feed unit of the printer 1, and a paper stacking extension tray 10 is mounted on the back surface thereof. The exterior cover 2 is opened to expose the paper feed tray 20, the paper stacking extension tray 10 is pulled out, and paper is placed thereon to feed paper. As shown in FIG. 8, the sheet stacking extension tray 10 is used by pulling the sheet stacking extension tray 10 outward from the exterior cover 2 when loading a long sheet. The exterior cover 2 is provided with a side wall 4 in the vicinity of the side surface, and a long hole groove 6 is provided in the side wall 4.

  The sheet stacking extension tray 10 is provided with protrusions on both side surfaces, and the protrusions are fitted into the long hole grooves 6 of the outer cover 2 and slide along the long hole grooves 6, so that the paper stacking extension tray 10 is removed from the outer cover 2. It can be withdrawn / retracted. Further, when the outer cover 2 is in a closed state, snaps that snap fit on both side surfaces of the paper stacking extension tray 10 are provided on the side walls 4 of the outer cover 2, and these snaps are provided on the side walls of the paper stacking extension tray 10. The sheet stacking extension tray 10 is fixed by snap fitting.

  6 is a side view of FIG. 8, and FIG. 7 is a side view showing a state in which the exterior cover 2 of FIG. 6 is closed. As shown in FIG. 7, the paper stacking extension tray 10 has a structure that can be stored in the main unit. The sheet feeding device includes a roll and other sheet feeding portions that feed sheets one by one, a sheet tray 20 that includes a side guide 21 that regulates the lateral direction of the sheet, and a sheet stacking extension tray 10 that is pulled out and used. And an exterior cover 2 that closes the sheet feeding portion when sheet feeding is not performed.

  The paper tray 20 provided with the side guide 21 and the exterior cover 2 can be rotated around different fulcrums, and the fulcrum of the exterior cover 2 is below the fulcrum of the paper tray 20. The paper tray 20 has a protrusion 22 at a position away from the fulcrum, and the protrusion 22 can be fitted and moved in a long hole 23 provided in the exterior cover 2. When the exterior cover 2 is opened, the paper tray 20 is also opened in conjunction with the exterior cover 2 so that the paper tray 20 is supported from below.

  The sheet stacking extension tray 10 is provided with cylindrical protrusions 13 at both lower ends, a long hole 6 is provided on the side surface of the exterior cover 2, and the protrusion 13 of the paper stacking extension tray 10 is fitted into the long hole 6. It can be moved. The sheet stacking extension tray 10 is slidably attached to the exterior cover 2. When the paper stacking extension tray 10 is pulled out, the substantially center of the paper stacking extension tray 10 is in contact with the exterior cover 2, and the paper stacking extension tray 10 is supported from below by the long holes 6 of the exterior cover 2.

  When the paper feed device is made usable after the outer cover 2 is closed, the paper stacking extension tray 10 is finally pulled out. Some of the sheet stacking extension trays 10 are configured to be turned and folded.

  In the present invention, a handle 12 is provided at the upper end when the paper stacking extension tray 10 is housed in the main body device and is in a standing posture, and the handle 12 is formed so that a person can grasp the handle 12 from the outside. . When the handle 10 is pulled by hand, the exterior cover 2 falls down and opens together with the paper stacking extension tray 10, and when the paper stacking extension tray 10 is further pulled out as it is, the state shown in FIG.

  A side view of the sheet stacking extension tray 10 is shown in FIG. 1, a rear view thereof is shown in FIG. 2 (a), an AA arrow view of FIG. 2 (a) is shown in FIG. A plan view is shown in FIG. FIG. 4 is a side view of the state in which the sheet stacking extension tray 10 is stored in the exterior cover 2 (the exterior cover 2 is closed), and FIG. 5 is a rear view thereof (viewed from the inside of the apparatus). Indicated.

  As shown in FIGS. 2 and 4, a protrusion 15 is provided on the surface opposite to the sheet stacking side of the sheet stacking extension tray 10 to be pulled out. As shown in FIG. 6, a stopper 7 that supports the protrusion 15 at the bottom of the paper stacking extension tray 10 is provided so as not to move in the direction in which the paper stacking extension tray 10 is stored at the position where the paper stacking extension tray 10 is pulled out. . Further, when the paper stacking extension tray 10 is pulled out, the paper stacking extension tray 10 can be rotated in the direction of the arrow 17 around the pin locking portion 13 near the end in the storing direction. In this structure, the protrusion 15 on the bottom of the sheet stacking extension tray gets over the stopper 7 below the sheet stacking extension tray by the rotation of the sheet stacking extension tray. Accordingly, the sheet stacking extension tray 10 can be moved along the long hole groove 6.

  A grip 12 protruding in a substantially L shape is provided at the front end of the paper stacking extension tray 10 and can be gripped by hand. Further, the outer cover 2 has a cut-out shape so that the L-shaped handle 12 of the paper stacking extension tray 10 does not hit the paper tray 20 in which the paper is stacked.

  As shown in FIGS. 2A and 2B, a triangular protrusion 15 composed of a rib 16 or the like is provided on the surface opposite to the sheet stacking side of the sheet stacking extension tray 10. A stopper constituted by a rib or the like is provided so as to come into contact with the protrusion 15 of the paper stacking extension tray 10 at the position where the paper stacking extension tray 10 is pulled out.

  The operation of the paper stacking extension tray of the present invention will be described. In a state where the sheet feeding device is not used, the sheet stacking extension tray 10 and the exterior cover 2 stand vertically, and the exterior cover 2 is locked to the main body. At this time, the sheet stacking extension tray 10 is hidden by the outer cover 2 and is not visible from the outside. The sheet stacking extension tray 10 is contained in the exterior cover 2, and an L-shaped handle 12 of the sheet stacking extension tray 10 protrudes from the upper part of the exterior cover 2, so that it can be grasped by hand.

  When using the paper feeding device, if the L-shaped handle 12 of the paper stacking extension tray 10 is gripped and pulled slightly forward, the exterior cover 2 will fall together with the paper stacking extension tray 10 and interlock. As a result, the paper tray 20 also falls forward. At that time, the columnar projections 22 projecting from both side surfaces of the paper tray 20 slide in the long holes 23 on the side wall provided on the side of the exterior cover 2, and the end of the long hole 23 has the paper tray 20. When the protrusions 22 come into contact with each other, the protrusions 22 cannot move any further, so that the fall of the paper tray 20 and the outer cover 2 is stopped, and the tilt angles of the paper tray 20 and the outer cover 2 are fixed. Here, when the paper used in the paper feeding device is a small paper such as a postcard, the paper can be fed without pulling out the paper stacking extension tray, and can be fed by placing the paper on the paper tray 20. .

  When the paper used in the paper feeding device is A4 size or longer long paper, the paper stacking extension tray 10 is pulled out while holding the L-shaped handle 12 of the paper stacking extension tray 10 to extend the paper stacking. Pull out until the columnar protrusion 13 of the tray 10 contacts the end of the long hole 6 in the side wall of the exterior cover 2. When the protrusion 15 on the bottom of the paper stacking extension tray 10 gets over the stopper of the outer cover 2 and is released, the paper stacking extension tray 10 rotates around the protrusion 13 by the weight of the paper stacking extension tray 10, and the paper stacking extension tray The projection 15 at the bottom of 10 hits the stopper of the exterior cover 2, and the sheet stacking extension tray 10 cannot be moved in the storing direction and is fixed.

  When storing the paper stacking extension tray 10, the L-shaped handle 12 of the paper stacking extension tray 10 is lifted so that the protrusion 15 at the bottom of the paper stacking extension tray gets over the stopper of the outer cover 2 and the paper stacking extension tray 10. Can be moved in the storage direction, and after the sheet stacking extension tray 10 is stored in the exterior cover 2, the sheet stacking extension tray 10 is lifted and the exterior cover 2 is locked to the main body.

  In addition to the above-described embodiment, in the case of a device provided with a paper stacking extension tray in which the front end portion of the paper stacking extension tray 10 is rotated 180 degrees about the axis, a handle is attached to the rotating paper stacking extension tray. If this is provided, the present invention can be applied.

It is a side view of a paper stacking extension tray. It is a rear view of a paper stacking extension tray. It is a top view of a handle. FIG. 6 is a side view of the paper feeding device showing an outer cover closed state. It is a rear view of an exterior cover. FIG. 6 is a side view showing an exterior cover open state of a paper feeding device of a printer. It is explanatory drawing which shows the exterior cover closed state of the paper feeder of a printer. It is explanatory drawing which shows the exterior cover open state of the paper feeder of a printer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Printer 2 Exterior cover 3 Arrow 4 Side wall 5 Projection 6 Long hole groove 7 Stopper 10 Paper stacking extension tray 12 Handle 13 Projection 14 Projection 15 Projection 16 Rib 17 Arrow 20 Paper tray 21 Side guide 22 Projection 23 Long hole

Claims (1)

In the paper stacking extension tray that falls with the opening operation of the outer cover that swings open and close with respect to the main unit, and is pulled out in the state that the outer cover is open, and stacks paper,
A handle that is provided at one end of the sheet stacking extension tray and is exposed to the outside of the main body when the exterior cover is closed; A paper stacking extension tray characterized by being suitable for.

Images