JP2007221230A - Laser printer with scanner and door apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laser printer with a scanner wherein interference between a front door and other parts is suppressed and to provide a door apparatus wherein the interference between the front door and the other parts is suppressed. <P>SOLUTION: The front door 5 for executing maintenance is provided to a front side of a laser printer main body 3 in a housing 2 of the laser printer 1 with the scanner. The front door 5 is formed with a door side boss part 14 projected toward a side of the housing, and a door side guide groove 13 extended toward a rear side, and the housing 2 is formed with a housing side guide groove 11 for receiving the door side boss part 14 and a housing side boss part 12 projected toward the front door 5 and received by the door side guide groove 13. The housing side guide groove 11 is provided with a part extended laterally to draw out the front door 5 this side and a part extended longitudinally for sliding the front door 5 downward. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a laser printer device with a scanner and a door device, and in particular, a laser printer device with a scanner in which interference between the front door and other parts is suppressed by opening and closing operations of the front door, and a door main body by opening and closing operations of the door body. The present invention relates to a door device in which interference with other parts is suppressed.

  One type of printer device is a laser printer device. As shown in FIG. 12, in the conventional laser printer apparatus 130, a paper tray 107 for stocking paper is disposed below the laser printer main body 103, and the laser printer main body is passed from the paper tray 107 via the paper feed port 108. A paper discharge port 109 is provided on the upper surface side of the laser printer main body 103 for discharging the paper that has been fed to the 103 and printed.

  The laser printer apparatus 130 is provided with a front cover 105 for performing maintenance when the toner is replaced or a paper jam occurs. The front cover 105 is attached so as to be openable and closable with the upper portion of the front cover 105 as a rotation shaft because the paper tray 107 is disposed below the laser printer main body 103. The front cover 105 also has a function of energizing a cartridge containing toner and holding the cartridge in a predetermined position with the front cover 105 closed.

  By the way, in recent years, in order to have a function of reading an image in addition to a function of printing an image as a laser printer apparatus, a laser printer apparatus with a scanner that combines a laser printer apparatus and a scanner apparatus has been developed. As shown in FIG. 13, in such a laser printer device 101 with a scanner, the scanner main body 104 is disposed on the laser printer main body 103 in order to place an original on the scanner main body 104 and read an image. Become.

Since the scanner main body 104 is thus arranged on the laser printer main body 103, the extension 106 is attached to the laser printer apparatus 101 with a scanner in order to receive the paper discharged from the laser printer apparatus 101 from below. ing. The extension 106 becomes indispensable in relation to the paper size, particularly when the laser printer apparatus 101 with a scanner is miniaturized. The conventional laser printer device 101 with a scanner is configured as described above. Patent Document 1 is an example of a document that discloses an image forming apparatus including a front cover for maintenance.
JP 2005-324378 A

  However, the conventional laser printer device 101 with a scanner has the following problems. As described above, in the laser printer device 101 with a scanner, the front cover 105 has an upper portion of the front cover 105 as a rotation shaft in relation to the paper tray 107. Moreover, as shown in FIG. 13, the front cover 105 is supported so as to be rotatable at one point with respect to the housing 102 on the rotation shaft 110.

  Therefore, as shown in FIG. 14, when opening the front cover 105, the upper portion of the front cover 105 interferes with the extension 106 and the extension 106 is lifted, and the lifted extension 106 interferes with the scanner main body 104. There is a problem that the front cover 105 cannot be completely opened. Further, if the position of the rotation shaft 110 in the front cover 105 is changed in order to eliminate such interference, there is a problem that the front cover 105 affects the urging force that urges the cartridge. .

  The present invention has been made to solve the above-described problems, and one object thereof is to provide a laser printer device with a scanner in which interference between the front door and other parts is suppressed by opening and closing the front door. Another object is to provide a door device in which interference between the door body and other parts is suppressed by opening and closing the door body.

  The laser printer device with a scanner according to the present invention has a predetermined casing, a laser printer main body, a scanner main body, and an extension. The laser printer main body is disposed at the lower part in a predetermined housing. The scanner body is disposed in the upper part of the housing above the laser printer body. The front door is attached to the front side of the laser printer main body in the housing so as to be freely opened and closed. The extension is attached to the casing part above the front door so as to protrude from the casing part to the front side, and receives the sheet discharged from the laser printer main body from below. The front door includes a door-side boss portion and a door-side guide groove. The door-side boss portion is formed at the upper portion of the front door located on the extension side, and protrudes toward the side portion of the housing to serve as a rotation shaft. The door side guide groove is formed on the back side of the front door, and guides the opening and closing operation of the front door. The housing includes a housing-side guide groove and a housing-side boss portion. The housing-side guide groove is formed in a side portion of the housing, and receives the door-side boss portion to move the position of the rotating shaft of the front door. The casing-side boss is formed in a side portion of the casing, protrudes toward the door-side guide groove, and is received in the door-side guide groove. The housing-side guide groove includes a portion extending in the lateral direction for pulling out the front door toward the front, and a portion extending in the vertical direction for lowering the front door pulled out toward the front. The door-side guide groove opens and closes the front door with the door-side boss portion as a pivot, and also moves with the front door and the housing changing with the operation of pulling the front door forward and the operation of lowering the front door downward. It is formed based on the relative positional relationship with the body side boss part.

  According to this configuration, while opening the front door, the operation of pulling the front door forward and the operation of lowering the front door are sequentially performed, so that the upper end portion of the front door is extended as the front door is opened. Can be prevented from interfering with. As a result, the front door will not be opened.

  The door device according to the present invention includes a predetermined casing and a door portion. The door portion includes a door main body attached to the housing so as to be opened and closed by a predetermined rotation shaft. The door part and the housing are a state in which the door body is opened by an operation of sliding the door body in a direction intersecting with the direction of pulling out the door body while opening the door body, following the operation of pulling the door body forward while opening the door body. It is configured to be.

  According to this configuration, following the operation of pulling the door body forward while opening the door body, the door is opened along with the operation of opening the door body by the operation of sliding the door body in a direction intersecting the direction of pulling out the door body while opening the door body. It is possible to prevent the end of the main body on the side of the rotating shaft portion from interfering with the housing portion.

  In order to perform such an operation, specifically, the door part is formed on the door body and protrudes toward the housing part, and the door part is formed on the door body to guide the opening and closing operation of the door body. And a door side guide portion that receives the rotation shaft portion and moves the position of the rotation shaft portion to project toward the door side guide portion and the door side guide portion. A housing-side guide portion that slides in a direction that intersects with a portion extending in a first direction for pulling out the door main body and a direction of pulling out the door main body pulled out toward the front. The door-side guide portion includes an operation for opening and closing the door body, an operation for pulling the door body forward, and an operation for sliding the door body in a direction intersecting the direction for pulling out the door body. To do It is preferably formed on the basis of the relative positional relationship between the door body and the protruding portion that varies with.

  Thereby, it is possible to prevent the end of the door body on the side of the pivot shaft portion from interfering with the housing portion as the door body is opened.

The first direction is preferably the horizontal direction, and the second direction is preferably the vertical direction.
In this case, the door body can be opened and closed with the pivot shaft side of the door body facing upward.

  As a door device, a laser printer main body that prints on a predetermined sheet and a scanner main body that reads an image are arranged in the housing, and the door portion rotates to the front side of the laser printer main body and the upper side of the laser printer main body. As an axis, it is attached to the housing so that it can be opened and closed, and is attached to the housing portion above the door portion so as to protrude forward from the housing portion, and an extension for receiving the paper discharged from the laser printer body from below. It is preferable to provide.

  In this case, it is possible to suppress interference with the extension when the door body is opened.

  Furthermore, it is preferable that the door side guide part is provided with the latching | locking part which latches a projection part and hold | maintains the state by which the door main body was opened.

  Thereby, the state which opened the door main body is hold | maintained, for example, can take in and out of a thing, a maintenance, etc. easily, without supporting a door main body by hand.

  A laser printer apparatus with a scanner according to an embodiment of the present invention will be described. As shown in FIG. 1, in the laser printer device 1 with a scanner, a laser printer main body 3 is disposed in a lower portion of a housing 2, and a scanner main body 4 is disposed in an upper portion of the housing 2 above the laser printer main body 3. It is installed. On the front side of the laser printer main body 3, a paper tray 7 and a paper feed port 8 for stacking paper are provided. Further, a housing 2 portion above the laser printer main body 3 is provided with a paper discharge port 9 for discharging the paper printed on the laser printer main body 3 and an extension 6 for receiving the paper to be discharged from below. . The extension 6 is attached so as to protrude toward the front side of the housing 2.

  As shown in FIG. 2, the laser printer main body 3 is provided with a photosensitive member 22 for transferring toner for printing an image on a sheet, and a cartridge 21 for supplying the toner. A fixing unit 23 for fixing the toner transferred onto the paper at a predetermined temperature is disposed above the photoconductor 22. Further, a laser scanning unit 24 for irradiating the photosensitive member 22 with a laser beam based on a predetermined image signal is disposed above the cartridge 21.

  A front door 5 for performing maintenance of the laser printer main body 3 is provided on the front side of the laser printer main body 3 in the housing 2 when the cartridge 21 is replaced or paper is jammed. As shown in FIG. 3, the front door 5 is formed with a door-side boss portion 14 projecting toward the housing and a door-side guide groove 13 extending rearward. On the other hand, as shown in FIG. 4, the housing 2 includes a housing-side guide groove 11 that receives the door-side boss portion 14 and a housing-side boss portion that protrudes toward the front door 5 and is received in the door-side guide groove 13. 12 are formed. As shown in FIG. 5, the housing-side guide groove 11 includes a portion 11 a extending in the horizontal direction (horizontal direction) for pulling out the front door 5 toward the front, and a vertical direction (sliding the front door 5 downward ( A portion 11b extending in the vertical direction is provided.

  In the laser printer device with a scanner 1 described above, the door-side boss portion 14, the door-side guide groove 13, the housing-side guide groove 11 and the housing-side boss portion 12 gradually open the front door 5 while pulling the front door 5 forward. Next, by further opening the front door 5 while sliding the front door 5 downward, the front door 5 is opened, and the front door 5 is closed by performing the operation opposite to the above-described operation. This series of operations will be described in more detail with reference to the drawings.

  First, as shown in FIG. 6, when the front door 5 is closed, the door-side boss portion 14 of the front door 5 is in front of the horizontally extending portion 11 a of the housing-side guide groove 11 (on the left side as viewed in the drawing). ) Is located on the opposite side of the edge. Further, the housing-side boss portion 12 is located at the lower end portion of the door-side guide groove 13. Next, as shown in FIG. 7, the front door 5 is gradually opened while pulling the front door 5 forward. At this time, the door-side boss portion 14 is located at the front-side end portion of the horizontally extending portion 11 a (see FIG. 5) of the housing-side guide groove 11. The operation of opening the front door 5 while pulling it forward changes the relative positional relationship between the door-side guide groove 13 and the housing-side boss portion 12, and the housing-side boss portion 12 moves from the lower end portion of the door-side guide groove 13. The position is relatively moved by the amount corresponding to this operation.

  Next, as shown in FIG. 8, by gradually opening the front door 5 while lowering the front door 5 downward, the door-side boss portion 14 extends vertically to the housing-side guide groove 11 (see FIG. 8). 5)). Further, the housing-side boss portion 12 is located at a position where it is further moved from the position of the door-side guide groove 13 (FIG. 7) by an amount corresponding to this operation.

  Further, by gradually opening the front door 5 while lowering the front door 5 downward, as shown in FIG. 9, the door-side boss portion 14 is located at the lower end portion of the portion 11 b extending vertically of the housing-side guide groove 11. The housing-side boss portion 12 is located at a position further moved relative to the position corresponding to this operation from the position of the door-side guide groove 13 (FIG. 8).

  When the front door 5 is further opened, the front door 5 is completely opened as shown in FIG. At this time, the housing-side boss portion 12 is positioned at the upper end portion of the door-side guide groove 13. On the other hand, when the front door 5 is closed, the operation opposite to the above-described operation is performed, so that the front door 5 is closed as shown in FIG.

  In the laser printer device 1 with a scanner provided with the front door 5 described above, the front door 5 is sequentially opened and the front door 5 is pulled down and the front door is lowered downward. The rotary shaft gradually moves from the position of the rotary shaft in the closed state. That is, the position of the door-side boss portion 14 serving as the pivot shaft moves from the rear side end portion to the lower end portion through the front side end portion in the housing side guide groove 11, thereby opening the front door 5 along with the operation of opening the front door 5. The upper end portion of the door 5 does not interfere with the extension 6. Further, even if the front door 5 interferes with the extension 6, the extension 6 is lifted until the contact with the scanner main body 4 is lifted to some extent with the support side as a fulcrum, so that the front door 5 does not open. There is nothing wrong.

  In order to maintain the opened state of the front door 5, a member that forms the door-side guide groove 13 is engaged with the housing-side boss portion 12 as shown in FIG. You may make it provide the latching | locking part 15 to stop in the edge of the door side guide groove 13. FIG. Further, the structure of the front door and the case described above is not limited to the laser printer device with a scanner, and the end of the door on the rotating shaft side interferes with the part of the case located near the door as the door is opened. In such a case, the present invention can be widely applied to a door device having a structure for preventing such interference. Furthermore, the direction of the rotation axis of the door is not limited to the horizontal direction, and may be, for example, the vertical direction.

  The embodiment disclosed this time is an example, and the present invention is not limited to this. The present invention is defined by the terms of the claims, rather than the scope described above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

1 is a perspective view of a laser printer device with a scanner according to an embodiment of the present invention. FIG. 5 is a side view for explaining the structure of the laser printer main body in the laser printer device with a scanner in the embodiment. In the same embodiment, it is a perspective view of the front door of the laser printer apparatus with a scanner. FIG. 4 is a partial perspective view showing a part of a housing of a laser printer device with a scanner in the same embodiment. FIG. 5 is a partially enlarged perspective view showing a part of the housing shown in FIG. 4 in the same embodiment. FIG. 6 is a partial side view showing a first state for describing an operation of the laser printer device with a scanner in the embodiment. FIG. 7 is a partial side view showing a second state after the first state shown in FIG. 6 in the embodiment. FIG. 8 is a partial side view showing a third state after the second state shown in FIG. 7 in the embodiment. FIG. 9 is a partial side view showing a fourth state after the third state shown in FIG. 8 in the embodiment. FIG. 10 is a partial side view showing a fifth state after the fourth state shown in FIG. 9 in the embodiment. In the same embodiment, it is the partial enlarged side view which shows the latching | locking part which latches a front door, and its vicinity. It is a perspective view which shows the conventional laser printer apparatus. It is a perspective view which shows the conventional laser printer apparatus with a scanner. It is a side view for demonstrating the problem in the front door of the conventional laser printer apparatus with a scanner.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Laser printer apparatus with a scanner, 2 housing | casing, 3 Laser printer main body, 4 Scanner main body, 5 Front door, 6 Extension, 7 Paper tray, 8 Paper feed port, 9 Paper discharge port, 11 Housing side guide groove, 12 Housing side Boss part, 13 Door side guide groove, 14 Door side boss part, 15 Locking part, 21 Cartridge, 22 Photoconductor, 23 Fixing unit, 24 Laser scanning unit.

Claims (6)

A predetermined housing;
A laser printer main body disposed in a lower part of the housing;
A scanner main body disposed in an upper portion of the housing above the laser printer main body;
A front door attached to the front side of the laser printer body in the housing so as to be freely opened and closed;
An extension that is attached to the casing part above the front door so as to protrude from the casing part to the front side and receives paper discharged from the laser printer main body from below;
The front door is
A door-side boss formed on an upper portion of the front door located on the extension side, protruding toward a side portion of the housing and serving as a rotation shaft;
A door-side guide groove that is formed on the back side of the front door and guides the opening and closing operation of the front door;
The housing is
A housing-side guide groove that is formed in the side portion, receives the door-side boss portion, and moves the position of the rotation shaft of the front door;
A housing-side boss that is formed in the side portion, protrudes toward the door-side guide groove, and is received in the door-side guide groove;
The housing side guide groove is
A laterally extending portion for pulling out the front door to the front;
A portion extending in the longitudinal direction for lowering the front door pulled out toward the front,
The door-side guide groove changes along with the operation of opening and closing the front door with the door-side boss portion as a rotation axis, the operation of pulling the front door forward, and the operation of lowering the front door. A laser printer device with a scanner, which is formed based on a relative positional relationship between the front door and the housing-side boss. A predetermined housing;
A door portion including a door body attached to the casing so as to be freely opened and closed by a predetermined rotation shaft;
The door portion and the housing are configured to slide the door body in a direction intersecting the pulling direction while opening the door body, following the operation of pulling the door body forward while opening the door body. A door device configured to be in a state where the door body is opened. The door part is
A pivot shaft formed on the door body and projecting toward the housing;
A door side guide portion that is formed in the door body and guides the opening and closing operation of the door body,
The housing is
A housing side guide for receiving the pivot shaft and moving the position of the pivot shaft;
A projection that protrudes toward the door-side guide and is received by the door-side guide.
The casing-side guide portion extends in a first direction for pulling out the door main body toward the front, and a second for sliding the door main body pulled out toward the front in a direction intersecting the pull-out direction. Including a portion extending in the direction of
The door side guide part is
The relative relationship between the door main body and the protrusion that changes with the operation of opening and closing the door main body, the operation of pulling the door main body forward, and the operation of sliding the door main body in a direction crossing the direction of pulling out the door main body. The door device according to claim 2, wherein the door device is formed based on a general positional relationship.   The door device according to claim 3, wherein the first direction is a horizontal direction and the second direction is a vertical direction. A laser printer main body for printing on a predetermined paper and a scanner main body for reading an image are disposed in the housing.
The door portion is attached to the housing on the front side of the laser printer main body, and can be opened and closed with the upper side of the laser printer main body as a rotation shaft.
The said housing part above the said door part was attached so that it might protrude ahead from the said housing part, and the extension which receives the paper discharged | emitted from the said laser printer main body from the downward direction was provided. Door equipment.   The door device according to any one of claims 3 to 5, wherein the door-side guide portion includes a locking portion that locks the protrusion and holds the door body in an opened state.

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