JP3025257U - Paper receiving tray mounting device for electronic equipment with paper feeding mechanism - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To prevent damage to a paper receiving tray attached to a housing even when an excessive load is applied to the paper receiving tray. SOLUTION: A side wall 1 of a housing 1 having a paper feeding mechanism built therein.
A paper discharge port 4 is formed in a, a pair of through holes 7 are provided in the vicinity of both ends of the paper discharge port 4 of the side wall 1a, and a substantially U-shape extending from the upper end of each through hole 7 to the left and right. An elastically deformable tongue piece 11 is left uncut by the slits, and a pair of projections 5a provided at both ends of the rear end of the paper receiving tray 5 are provided in the through holes 7 respectively.
The support shaft 12 projecting from both side surfaces of the rear end of the paper receiving tray 5 into the fitting groove 14 of the bearing portion 13 projecting from the side wall 1a, and the tip of each projection 5a is attached to the tongue piece. 11
The paper receiving tray 5 is removably attached to the housing 1 by abutting against the inner surface of the housing.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper tray mounting device for an electronic device having a paper feeding mechanism such as a facsimile machine or a copying machine.

[0002]

[Prior art]

 For example, as an example of a facsimile apparatus, as shown in FIG. 3, a document G is set on a document tray 2 on a housing 1 and a send button is pressed, so that the document G is paired with a pair of upper and lower paper trays of a transmitting unit 3. After the information is written on the document G by the reading head 3b while being nipped by the insertion rollers 3a, 3a and conveyed forward, a pair of upper and lower feeding rollers (paper feeding mechanism) 3c, There is one in which the document G is sent out from the paper discharge port 4 formed on the side wall 1a of the housing 1 onto the paper receiving tray 5 by 3c, and the information read by the reading head 3b is immediately transmitted.

Conventionally, as shown in FIGS. 4 and 5, the paper receiving tray 5 has a pair of substantially L-shaped projections 5a, 5a projecting from both ends of a rear end of the paper receiving tray 5 of the side wall 1a. Are fitted into a pair of through holes 7, 7 formed near both ends of the side wall, and the tips of the protrusions 5a, 5a are brought into contact with the inner surface of the side wall 1a, and project downward from both ends of the rear end. The pair of protruding portions 5b and 5b are attached to the housing 1 in a detachable manner by bringing them into contact with the outer surface of the side wall 1a.

[0004]

[Problems to be solved by the device]

 In the above-described conventional configuration, an excessive load P is applied downwardly to the paper receiving tray 5 by inadvertently pressing the paper receiving tray 5 strongly by the user or dropping an object thereon. In this case, due to the excessive load P, the tips of the protrusions 5a, 5a are strongly pressed against the side wall 1a to be broken (state of phantom line in FIG. 4), and the paper receiving tray 5 damaged by this is reattached to the housing 1. Can not be.

In view of the above problems, the present invention provides an electronic device equipped with a paper feeding mechanism that prevents the paper receiving tray attached to the housing from being damaged even when the paper receiving tray is overloaded. SUMMARY OF THE INVENTION It is an object of the present invention to provide a paper receiving tray attaching device of the above.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the invention according to claim 1 is such that a paper discharge port is formed on a side wall of a housing containing a paper feeding mechanism, and a pair of through holes is formed in the side wall near both ends of the paper discharge port. And a pair of substantially L-shaped projections projecting from both ends of the rear end of the paper receiving tray are fitted into the through holes, and the tips of the projections are brought into contact with the inner surface of the side wall. As a result, in the paper receiving tray attaching device of the electronic device having the paper feeding mechanism in which the paper receiving tray is detachably attached to the casing, the side wall is extended substantially from the upper end of each through hole to the left and right. A U-shaped slit is formed, and the tip of each protrusion of the paper receiving tray is brought into contact with the inner surface of the elastically deformable tongue left uncut by the slit. .

In the above configuration, when the paper receiving tray is attached to the housing, the rear end of the tray is inclined downward, and the pair of protrusions provided at both ends of the rear end penetrates the side wall of the housing. After fitting it into the pair of through holes provided, rotate the front end of the tray downward to contact the inner surface of the elastically deformable tongue left on the side wall with the tip of each protrusion. All you have to do is This allows the paper receiving tray to be detachably attached to the side wall of the housing in a substantially horizontal state.

In this case, an excessive load is applied downwardly to the paper receiving tray by inadvertently pressing the paper receiving tray strongly by the user or dropping an object on the paper receiving tray. Even if the tip of the portion is strongly pressed against the tongue piece, the tongue piece elastically deforms and absorbs an excessive load, so that the protrusions can be prevented from being broken. Further, even if the protruding portion of the paper receiving tray comes off the tongue piece due to the excessive load, the protruding portion can be re-engaged with the tongue piece and the paper receiving tray can be attached to the housing as it was.

A second aspect of the present invention is the device of the first aspect, wherein the tongue piece is formed with an elastically deformable bent portion.

According to the above configuration, when the tips of the protrusions of the paper receiving tray are strongly pressed against the tongue piece, not only the tongue piece but also the bent portion formed on the tongue piece is elastically deformed, resulting in excessive size. Since the load is absorbed, it is possible to more reliably prevent the protrusions from breaking.

According to a third aspect of the invention, in the first or second aspect of the invention, a pair of horizontally extending support shafts are projectingly provided on both side surfaces of the rear end portion of the paper receiving tray, and the side wall is provided. It is characterized in that a bearing portion into which each of the support shafts is detachably fitted is provided in a protruding manner.

In the above configuration, when the paper receiving tray is attached to the housing, as described above, the pair of penetrating portions provided on the side wall of the housing with the pair of protrusions provided at both ends of the rear end of the tray. After fitting in the holes and fitting the pair of support shafts protruding from both sides of the rear end into the bearings protruding from the side wall of the housing, the front end of the tray faces downward around the pair of support shafts. All that is necessary is to rotate the tongue to bring the tip of each of the protrusions into contact with the inner surface of the tongue. This allows the paper receiving tray to be removably attached to the side wall of the housing in a substantially horizontal state.

In this case, similarly to the inventions according to claims 1 and 2, even if an excessive load is applied downward to the paper receiving tray and the tips of the protrusions are strongly pressed against the tongue pieces, Can elastically deform to absorb an excessive load and prevent the protrusions from breaking, and even if the protrusions come off the tongue due to the excessive load, the support shaft does not move. Since it is supported by the receiving part, it is possible to prevent the paper receiving tray from falling off the housing.

[0014]

[Embodiment of device]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a paper receiving tray attaching device of a fax machine according to an embodiment of the present invention, in which a side wall 1a of a housing 1 has projections 5a, 5a of a paper receiving tray 5 mounted thereon. Each of the through-holes 7, 7 formed to insert the slits 10 is formed with substantially U-shaped slits 10, 10 extending leftward and rightward, and the elastically deformable tongue pieces 11 left uncut by the slits 10, 10. The tips of the protrusions 5a, 5a of the paper receiving tray 5 are in contact with the inner surface of the sheet receiving tray 11.

In addition, elastically deformable bent portions 11a and 11a are formed at the central portions of the tongues 11 and 11 by bending the central portions toward the inside of the housing 1 in a substantially U shape. Has been done.

Further, a pair of horizontally extending support shafts 12, 12 is projectingly provided on the projecting portions 5c, 5c projecting downward from both ends of the rear end of the paper receiving tray 5, and the side walls 1a of the housing 1 are provided with the above-mentioned respective support shafts 12, 12. A pair of bearings 13, 13 is provided so as to protrude from the support shafts 12, 12.

Fitting grooves 14 and 14 are formed in the bearings 13 and 13 from the front surface to the central portion, and the width of the inner part of the fitting grooves 14 and 14 is equal to the outer diameter of the support shafts 12 and 12. The width of the entrance is set to be smaller than the width of the inner part, and the support shafts 12 and 12 are forced into the inner part from the entrance of the respective fitting grooves 14 and 14. The support shafts 12 and 12 are rotatably supported by the bearing portions 13 and 13 by being pushed in manually.

In the above configuration, when the paper receiving tray 5 is attached to the housing 1, the rear end portion of the tray 5 is inclined downward, and the pair of protrusions 5a and 5a provided at both ends of the rear end portion are provided. After fitting in the through holes 7, 7 of the housing 1 and fitting the pair of support shafts 12, 12 projecting on both side surfaces of the rear end into the fitting grooves 14, 14 of the bearings 13, 13, The front end portion of 5 may be rotated downward. As a result, the paper receiving tray 5 rotates about the support shafts 12 and 12, and the tips of the protrusions 5a and 5a are brought into contact with the inner surfaces of the tongues 11 and 11, respectively. Can be removably attached to the side wall 1a of the housing 1 in a substantially horizontal state (solid line state in FIG. 1).

When the paper receiving tray 5 is attached to the housing 1, the paper receiving tray 5 may be inadvertently pressed downward by the user, or an object may be dropped onto the paper receiving tray 5 to drop the paper receiving tray 5. Even if an excessive load P is applied to 5 downwardly and the tips of the protrusions 5a, 5a are strongly pressed against the tongues 11, 11, the tongues 11, 11 elastically deform and absorb the excessive load, It is possible to prevent the protrusions 5a, 5a from being broken, and even if the protrusions 5a, 5a come off the tongues 11, 11 due to the excessive load, the protrusions 5a, 5a can be removed again. The paper receiving tray 5 can be attached to the housing 1 again by engaging with the tongue pieces 11, 11.

Further, since the tongues 11 and 11 are formed with the elastically deformable bent portions 11a and 11a, as described above, the protrusions 5a and 5a of the paper receiving tray 5 are attached to the tongues 11 and 11, respectively. When pressed strongly against the tongues 11 and 11, not only the tongues 11 and 11, but also the bent portions 11a and 11a are elastically deformed to absorb the excessive load P, so that the protrusions 5a and 5a are not broken. It can be prevented more reliably (see the phantom line in FIG. 1).

Further, even if the projections 5a, 5a are disengaged from the tongues 11, 11 due to the excessive load P, the support shafts 12, 12 are supported by the bearings 13, 13, so that the paper receiving tray 5 Can be prevented from falling off from the housing 1.

In the above embodiment, the paper receiving tray 5 mounted facing the transmitting section of the facsimile device has been described as an example, but the present invention is not limited to this, and the receiving section of the fax machine is opposed. The present invention can also be applied to a paper receiving tray that is attached to a printer, and also to a paper receiving tray that is attached to various electronic devices equipped with a paper feeding mechanism such as a copying machine, in addition to a facsimile device. it can.

[0023]

[Effect of device]

 According to the invention of claim 1, substantially U-shaped slits extending from the upper end of each through hole to the left and right are formed in the side wall of the housing, and the inner surface of the elastically deformable tongue left uncut by the slit. Since the tip of each protrusion of the paper receiving tray is in contact with the paper receiving tray, the user may inadvertently press down the paper receiving tray strongly or drop an object on it, and Even if an excessive load is applied downward and the tips of the protrusions are strongly pressed against the tongue pieces, the tongue pieces are elastically deformed to absorb the excessive load, and the protrusions are broken. Can be prevented. Also, even if the protrusion of the paper receiving tray comes off the tongue piece due to the excessive load, the protrusion can be re-engaged with the tongue and the paper receiving tray can be attached to the housing as it was. .

According to the second aspect of the present invention, when each projection of the paper tray is strongly pressed against the tongue, not only the tongue but also the bent portion formed on the tongue is elastically deformed. Since it absorbs an excessive load, it is possible to more reliably prevent the protrusions from breaking.

According to the third aspect of the present invention, even if each protrusion is disengaged from the tongue piece due to an excessive load applied to the paper receiving tray, a pair of support shafts protruding from both side surfaces of the rear end of the paper receiving tray. Since the paper is supported by the bearing of the housing, it is possible to prevent the paper receiving tray from falling off the housing.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of an essential part of a paper tray mounting device in a facsimile apparatus according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same.

FIG. 3 is a schematic side view of a facsimile device.

FIG. 4 is a longitudinal sectional view of a main part showing a conventional example.

FIG. 5 is an exploded perspective view of the same.

[Explanation of symbols]

 1 Housing 1a Housing Side Wall 3c Sending Roller (Paper Sending Mechanism) 4 Paper Ejecting Port 5 Paper Receiving Tray 5a Projection 10 Slit 11 Tongue 11a Bent 12 Shaft 13 Bearing 13 14 Fitting Groove

Claims (3)

[Scope of utility model registration request] 1. A paper discharge port is formed on a side wall of a housing having a paper feeding mechanism, and a pair of through holes are formed near both ends of the paper discharge port on the side wall, and a pair of through holes are formed behind the paper receiving tray. A pair of substantially L-shaped protrusions protruding from both ends of the end portion are fitted into the through holes, and the tip ends of the protrusions are brought into contact with the inner surface of the side wall, so that the paper receiving tray has the casing. In a paper receiving tray attaching device of an electronic device having a paper feeding mechanism detachably attached to a body, a substantially U-shaped slit extending left and right from the upper end of each through hole is formed on a side wall of a housing, An electronic apparatus having a paper feeding mechanism, characterized in that the tip of each projection of the paper receiving tray is brought into contact with the inner surface of the elastically deformable tongue left uncut by the slit. Paper tray mounting device. 2. The paper receiving tray mounting device for an electronic apparatus having a paper feeding mechanism according to claim 1, wherein the tongue piece is formed with an elastically deformable bent portion. 3. A pair of support shafts extending in the horizontal direction are projectingly provided on both side surfaces of a rear end portion of the paper receiving tray, and bearing portions to which the respective support shafts are detachably fitted are projectingly provided on the side walls. A paper receiving tray mounting device for an electronic apparatus, comprising the paper feeding mechanism according to claim 1 or 2.