JP2007175884A - Rubber leg structure and image forming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rubber leg structure in which the number of components is not increased and the structure of a rubber plate is not complicated, and to provide an image forming apparatus. <P>SOLUTION: The image forming apparatus (thermal transfer printer) equipped with a rubber leg structure comprises a housing 1 incorporating a print section 4, a rubber plate fixing portion 1e provided on the bottom face portion 1b of the housing 1 integrally therewith and having four insertion holes 1f, and a rectangular rubber plate 3 having four corners 3a inserted into the four insertion holes 1f at the rubber plate fixing portion 1e. The rubber plate fixing portion 1e has a protrusion 1g protruding downward and the length L1 in the vertical direction between the top 1k of the protrusion 1g and the lower surface 1d of the bottom face portion 1b is shorter than the thickness t3 of the rubber plate 3. Furthermore, the rubber plate fixing portion 1e has a portion 1h for retaining the rubber plate 3 at a position corresponding to the insertion hole 1f which is located between the protrusion 1g and the retaining portion 1h, and the width W1 of the insertion hole 1f is wider than the thickness t3 of the rubber plate 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a rubber leg structure and an image forming apparatus.

  2. Description of the Related Art Conventionally, in an image forming apparatus such as a thermal transfer printer, a rubber leg structure for preventing skidding provided on the bottom surface of a housing is known (see, for example, Patent Documents 1, 2, 3, and 4).

  In the rubber leg mounting structure (rubber leg structure) described in Patent Document 1, an L-shaped rib is provided in the upper casing, an insertion hole into which the rubber leg is inserted is provided in the lower casing, and The rubber leg has an insertion portion that is inserted into the insertion hole of the lower casing, and the insertion portion of the rubber leg has an engagement hole that engages with the tip of the rib of the upper casing. Then, when the upper housing and the lower housing are assembled with the rubber legs attached to the lower housing, the tips of the ribs of the upper housing are engaged with the engaging holes of the insertion portions of the rubber feet, The rubber legs are fixed.

  Further, in the rubber leg mounting structure (rubber leg structure) described in Patent Document 2, a rubber leg member having a cylindrical hollow portion is mounted in a hole that is a mounting position of a non-mounting member (housing). The rubber leg member is fixed to the non-attaching member by pressing the rubber leg member from the inside by inserting the insertion member connected to the rubber leg member through the thin portion into the hollow part of the rubber leg member. .

  Further, in the rubber leg attachment structure (rubber leg structure) described in Patent Document 3, the rubber leg member attached to the casing projects to the opposite sides of the upper end, and a claw provided on the casing is provided at the center. And a wing-shaped portion having a hooking hole to be engaged with the body. The housing has an insertion hole for inserting the wing-shaped portion of the rubber leg member and a claw for engaging with the rubber leg member and fixing the rubber leg member. In Patent Document 3, the wing-shaped portion of the rubber leg member is bent after the wing-shaped portion of the rubber leg member is inserted into the insertion hole of the housing, thereby engaging the hook hole of the wing-shaped portion of the rubber leg member and the claw of the housing. By joining, the rubber leg member is fixed to the housing.

  Further, in the rubber leg mounting structure (rubber leg structure) described in Patent Document 4, the rubber leg member can be bent and has a mounting plate for mounting the rubber leg member to the housing. The housing includes an insertion portion into which the attachment plate for the rubber leg member is inserted, and a claw portion provided in the insertion portion for fixing the attachment plate for the rubber leg member. In Patent Document 4, the rubber leg member is inserted into the housing insertion portion in a folded state and then stretched to attach the rubber leg member to the housing. At the same time, the mounting plate engages the claw portion, The leg member is fixed.

  Conventionally, as an example of a rubber leg structure, a rubber leg structure in which a rubber plate is attached to the bottom surface of a housing is known. FIG. 39 is a perspective view showing the overall configuration of a thermal transfer printer having a rubber leg structure according to a conventional example. FIG. 40 is a perspective view for explaining a method of attaching a rubber plate of the thermal transfer printer having the rubber leg structure according to the conventional example shown in FIG. With reference to FIGS. 39 and 40, the structure and mounting method of a rubber plate of a thermal transfer printer having a conventional rubber leg structure will be described.

  As shown in FIGS. 39 and 40, a thermal transfer printer having a rubber leg structure according to an example of the prior art includes a housing 101 containing a printing unit (not shown) and an ink sheet cartridge provided on a side surface of the housing 101. An insertion hole 101 a for inserting (not shown), a paper feed tray 102 for storing paper (not shown) for printing an image, and a rubber plate 103 attached to the bottom surface portion 101 b of the housing 101. And a double-sided tape 104 (see FIG. 40) for attaching the rubber plate 103. That is, as shown in FIG. 40, the rubber plate 103 is attached to the bottom surface portion 101b of the housing 101 with the double-sided tape 104.

JP 2002-9454 A JP 2000-294939 A JP-A-8-266352 Japanese Utility Model Publication No. 62-157188

  However, in the thermal transfer printer having the rubber leg structure according to the conventional example shown in FIGS. 39 and 40, the double-sided tape 104 is used to attach the rubber plate 103 to the housing 101, so that the number of parts increases. There was a problem.

  Further, in the rubber leg mounting structure (rubber leg structure) described in Patent Document 1, it is necessary to provide an engagement hole in the rubber leg, so that the structure of the rubber leg is complicated. Moreover, it is difficult to apply the structure in which the engagement hole is provided in such a rubber leg to a structure in which a flat rubber plate is attached.

  Further, in the rubber leg mounting structure (rubber leg structure) described in Patent Document 2, it is necessary to provide an insertion member that is connected to the rubber leg member via a thin portion, so that the structure of the rubber leg member is complicated. There is a problem.

  Further, in the rubber leg mounting structure (rubber leg structure) described in Patent Document 3, it is necessary to provide two wing-shaped portions and two positioning protrusions on the rubber leg (foot), so that the structure of the rubber leg is complicated. There is a problem of becoming.

  Further, the rubber leg mounting structure (rubber leg structure) described in Patent Document 4 has a problem in that the number of parts increases because the mounting plate is used for mounting the rubber leg member.

  The present invention has been made in order to solve the above-described problems, and one object of the present invention is to suppress an increase in the number of parts and a rubber that does not complicate the structure of the rubber plate. A leg structure and an image forming apparatus are provided.

Means for Solving the Problems and Effects of the Invention

  An image forming apparatus according to a first aspect of the present invention is an image forming apparatus including a casing with a built-in printing unit, and is provided with a rubber plate that is integrally provided on the bottom surface of the casing and has four insertion portions. And a rubber plate formed in a rectangular shape having four corners respectively inserted into the four insertion portions of the rubber plate attachment portion, and the rubber plate attachment portion has a plurality of insertion portions arranged around Including a convex portion protruding downward, and the vertical length between the apex of the convex portion and the lower surface of the bottom surface portion of the housing is smaller than the thickness of the rubber plate, and the rubber plate mounting portion is inserted There is a pressing part for pressing the inserted rubber plate at a position corresponding to the part, the insertion part is located between the convex part and the pressing part, and the width of the insertion part is larger than the thickness of the rubber plate .

  In the image forming apparatus according to the first aspect, as described above, the rubber plate attachment portion having four insertion portions is integrally provided on the bottom surface portion of the housing, and the four insertion portions of the rubber plate attachment portion are provided. By providing a rubber plate having four corners to be inserted into the rubber plate, it is possible to insert the four corners of the rubber plate into the four insertion portions of the rubber plate mounting portion without using a separate part. It can be attached directly to the rubber plate mounting portion of the housing. Thereby, it can suppress that a number of parts increases. In addition, the rubber plate can be attached to the rubber plate mounting portion of the housing simply by inserting the corner of the rubber plate into the insertion portion of the rubber plate mounting portion, so there is no need to add a special structure to the rubber plate. . Thereby, the structure of the rubber plate is not complicated. In addition, the rubber plate mounting portion is provided with a convex portion protruding downward, and the length in the vertical direction between the apex of the convex portion and the lower surface of the bottom surface portion of the housing is made smaller than the thickness of the rubber plate. Thus, when the rubber plate is attached to the surface of the convex portion, the rubber plate can be protruded downward from the lower surface of the bottom surface portion of the housing. Also, by providing a pressing portion for pressing the inserted rubber plate at a position corresponding to the insertion portion of the rubber plate mounting portion, the pressing portion can be pressed in the direction in which the corner of the rubber plate is inserted, The corner portion of the inserted rubber plate can be made difficult to come off from the insertion portion. Moreover, the corner | angular part of a rubber plate can be easily inserted in an insertion part by forming the width | variety of an insertion part larger than the thickness of a rubber plate. Further, by forming the rubber plate into a rectangular shape having four corners, and forming the rubber plate attachment portion so as to have four insertion portions into which the four corner portions of the rubber plate are respectively inserted, Since the rubber plate is fixed in four directions, the rubber plate can be made difficult to come off from the rubber plate mounting portion.

  The rubber leg structure according to the second aspect of the present invention is provided integrally with the bottom surface portion of the housing, and is inserted into a rubber plate attachment portion having a plurality of insertion portions and a plurality of insertion portions of the rubber plate attachment portions. And a rubber plate having a plurality of corners.

  In the rubber leg structure according to the second aspect, as described above, the rubber plate attachment portion having a plurality of insertion portions is integrally provided on the bottom surface portion of the housing, and the plurality of insertion portions of the rubber plate attachment portion are provided. By providing a rubber plate having a plurality of corners to be inserted into the rubber plate, the rubber plate can be inserted into the plurality of insertion portions of the rubber plate mounting portion without using a separate part. It can be attached directly to the rubber plate mounting portion of the housing. Thereby, it can suppress that a number of parts increases. Further, since the rubber plate can be attached to the rubber plate attachment portion of the housing simply by inserting the corner portion of the rubber plate into the insertion portion of the rubber plate attachment portion, it is not necessary to add a special structure to the rubber plate. Thereby, the structure of the rubber plate is not complicated.

  In the rubber leg structure according to the second aspect, preferably, the rubber plate mounting portion includes a plurality of insertion portions arranged around and including a convex portion protruding downward, and a vertex of the convex portion and a bottom surface portion of the housing The length in the vertical direction between the lower surface of the rubber plate is smaller than the thickness of the rubber plate. If comprised in this way, when a rubber plate is attached to the surface of a convex part, a rubber plate can be protruded below from the lower surface of the bottom face part of a housing | casing.

  In the rubber leg structure according to the second aspect, preferably, the rubber plate mounting portion has a pressing portion for pressing the inserted rubber plate at a position corresponding to the insertion portion. If comprised in this way, since the corner | angular part of a rubber plate is hold | suppressed by the holding | suppressing part in the direction inserted, it can be made hard to remove | deviate the corner | angular part of the inserted rubber plate from an insertion part.

  In this case, preferably, the rubber plate mounting portion includes a plurality of insertion portions arranged around and including a convex portion protruding downward, and the insertion portion is located between the convex portion and the pressing portion, The width is larger than the thickness of the rubber plate. If comprised in this way, the corner | angular part of a rubber plate can be easily inserted in an insertion part.

  In the rubber leg structure according to the second aspect, preferably, the rubber plate is formed in a rectangular shape having four corner portions, and the four corner portions of the rubber plate are inserted into the rubber plate attachment portion, respectively. It has four inserts. If comprised in this way, since a rubber plate is fixed in four directions, a rubber plate can be made hard to remove | deviate from a rubber plate attachment part.

(First embodiment)
Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing an overall configuration of a thermal transfer printer having a rubber leg structure according to a first embodiment of the present invention. 2 and 3 are a side view and a bottom view, respectively, showing the overall configuration of the thermal transfer printer including the rubber leg structure according to the first embodiment of the present invention. FIG. 4 is an enlarged cross-sectional view showing a rubber plate mounting portion of the thermal transfer printer having the rubber leg structure according to the first embodiment of the present invention. 5 to 20 are views for explaining details of the rubber plate mounting portion and the rubber plate of the thermal transfer printer having the rubber leg structure according to the first embodiment of the present invention. First, the structure of a thermal transfer printer having a rubber leg structure according to the first embodiment will be described with reference to FIGS. In the first embodiment, a thermal transfer printer will be described as an example of an image forming apparatus to which the rubber leg structure of the present invention is attached.

  As shown in FIGS. 1 to 4, a thermal transfer printer having a rubber leg structure according to the first embodiment of the present invention includes a housing 1 in which a printing unit 4 is built, and a sheet (not shown) for printing an image. 2) and a rubber plate 3.

  Here, in 1st Embodiment, as shown in FIGS. 1-4, the housing | casing 1 has the insertion hole 1a for inserting an ink sheet cartridge (not shown), and the bottom face part 1b. The bottom surface portion 1b of the housing 1 has a thickness t1 (about 3 mm) as shown in FIG. The bottom surface portion 1 b has an upper surface 1 c on the inner side of the housing 1 and a lower surface 1 d on the outer side of the housing 1. In addition, a rubber plate mounting portion 1 e to which a flat rubber plate 3 is mounted is provided on the bottom surface portion 1 b of the housing 1. As shown in FIG. 3, the rubber plate mounting portions 1 e are integrally provided with the housing 1 one by one near the four corners of the bottom surface portion 1 b of the housing 1. One flat rubber plate 3 is attached to each of the four rubber plate attachment portions 1e.

  In the first embodiment, the rubber plate mounting portion 1e includes four slit-shaped insertion holes 1f into which the four corners 3a of the rubber plate 3 are respectively inserted, as shown in FIGS. And 4 pressing portions 1h having a thickness t2 (about 1 mm) for pressing the rubber plate 3 (see FIG. 11). As shown in FIGS. 6 and 9, the slit-shaped insertion hole 1f is located between the convex portion 1g and the pressing portion 1h and has a width W1 (about 0.85 mm) (see FIG. 9). . Further, an opening 1i connected to the insertion hole 1f is provided on the upper surface 1c side of the bottom surface portion 1b. The insertion hole 1f is an example of the “insertion portion” in the present invention. Further, as shown in FIGS. 7 and 9, the side surface 1j on the convex portion 1g side of the opening 1i is formed in an arc shape in a plan view in order to facilitate the die cutting. Further, as shown in FIG. 7, the rubber plate mounting portion 1e has a flat area calculated by the product of a length X (about 9 mm) and a length Y (about 9 mm). As shown in FIG. 8, insertion holes 1f and pressing portions 1h are arranged at four locations (see FIG. 16) corresponding to the corner portions 3a of the rubber plate 3 on the outer periphery of the convex portion 1g. As shown in FIGS. 9 to 11, the surface of the convex portion 1g is formed in a spherical shape and has a vertex 1k. Further, as shown in FIG. 8, the four pressing portions 1h are provided at positions corresponding to the four insertion holes 1f, respectively. Further, the edge portions 11 of the four pressing portions 1h are continuous with each other, and the continuous shape is formed in a circular shape when viewed in plan in order to facilitate the die-cutting of the rubber plate mounting portion 1e. ing. As shown in FIG. 12, the flat rubber plate 3 is formed in a rectangular shape (square shape in the first embodiment) having four corners 3a and has a thickness t3 (about 0.8 mm). Have Further, since the rubber plate 3 has a plane area approximately equal to the plane area of the rubber plate mounting portion 1e, the corner of the rubber plate 3 is inserted into the insertion hole 1f while curving the rubber plate 3 along the surface of the convex portion 1g. It is possible to insert the part 3a.

  Here, in the first embodiment, the rubber plate 3 is attached to a rubber plate attachment portion 1e provided integrally with the housing 1, as shown in FIGS. 4 and 13 to 20. The vertical length L1 (about 0.4 mm) (see FIG. 9) between the apex 1k of the convex portion 1g of the rubber plate mounting portion 1e and the lower surface 1d of the bottom surface portion 1b of the housing 1 is as shown in FIG. Since it is formed to be smaller than the thickness t3 (about 0.8 mm) (see FIG. 12), as shown in FIG. 18, a part of the rubber plate 3 is t3-L1 = about .0 from the lower surface 1d of the bottom surface portion 1b. It protrudes downward by 4 mm. Moreover, since the width W1 (about 0.85 mm) (see FIG. 9) of the insertion hole 1f is larger than the thickness t3 (about 0.8 mm) (see FIG. 12) of the rubber plate 3, the rubber plate 3 can be easily formed. The corner 3a is inserted into the insertion hole 1f. Further, as shown in FIG. 18, since the rubber plate 3 is in contact with the pressing portion 1h, a frictional force acts between the rubber plate 3 and the pressing portion 1h, so that the rubber plate 3 is fixedly inserted. It is difficult to come off from the hole 1f.

  The rubber plate 3 can be attached by inserting the four corners 3a of the rubber plate 3 from the lower surface 1d of the bottom surface portion 1b of the housing 1 into the four insertion holes 1f of the rubber plate attachment portion 1e, respectively. The plate 3 is attached to the rubber plate attachment portion 1e.

  In the first embodiment, as described above, the rubber plate mounting portion 1e having the plurality of insertion holes 1f is integrally provided on the bottom surface portion 1b of the housing 1, and the four insertion holes of the rubber plate mounting portion 1e are provided. By providing the rubber plate 3 having the four corners 3a to be inserted into 1f, the rubber plate 3 can be obtained simply by inserting the four corners 3a of the rubber plate 3 into the four insertion holes 1f of the rubber plate mounting portion 1e. Can be directly attached to the rubber plate attaching portion 1e of the housing 1 without using a separate part, so that an increase in the number of parts can be suppressed. Further, since the rubber plate 3 can be attached to the rubber plate attachment portion 1e of the housing 1 simply by inserting the corner portion 3a of the rubber plate 3 into the insertion hole 1f of the rubber plate attachment portion 1e, There is no need to add structure. Thereby, the structure of the rubber plate 3 is not complicated.

  Moreover, in 1st Embodiment, while providing the convex part 1g which protrudes downward in the rubber-plate attachment part 1e, the vertical direction between the vertex 1k of the convex part 1g and the lower surface 1d of the bottom face part 1b of the housing | casing 1 is provided. By making the length L1 smaller than the thickness t3 of the rubber plate 3, when the rubber plate 3 is attached to the surface of the convex portion 1g, the rubber plate 3 is moved downward from the lower surface 1d of the bottom surface portion 1b of the housing 1. Can be protruded.

  Moreover, in 1st Embodiment, by providing the pressing part 1h for pressing down the inserted rubber plate 3 in the position corresponding to the insertion hole 1f of the rubber plate attachment part 1e, the pressing part 1h of the rubber plate 3 is provided. Since the corner portion 3a is pressed in the inserting direction, the inserted rubber plate 3 can be made difficult to come off.

  Moreover, in 1st Embodiment, the corner | angular part 3a of the rubber plate 3 can be easily inserted in the insertion hole 1f by forming the width W1 of the insertion hole 1f larger than the thickness t3 of the rubber plate 3.

  In the first embodiment, the rubber plate 3 is formed in a square shape having four corners 3a, and the rubber plate mounting portion 1e is inserted into the four corners 3a of the rubber plate 3, respectively. Since the rubber plate 3 is fixed in four directions by forming the insertion hole 1f, the rubber plate 3 can be made difficult to come off from the rubber plate mounting portion 1e.

(Second Embodiment)
FIGS. 21 to 26 are views for explaining details of a rubber plate mounting portion of a thermal transfer printer having a rubber leg structure according to a second embodiment of the present invention. FIGS. 27 to 33 are views for explaining details when a rubber plate is attached to a rubber plate attachment portion of a thermal transfer printer having a rubber leg structure according to the second embodiment of the present invention. With reference to FIGS. 21 to 33, in the second embodiment, unlike the first embodiment, an example in which the convex portion 11g is formed into a cross shape when viewed in plan and the width of the insertion hole 11f is increased. explain. The structure other than the shape of the convex portion 11g is the same as that in the first embodiment.

  As shown in FIGS. 21 to 33, the rubber plate mounting portion 11 e according to the second embodiment includes four insertion holes 11 f in the shape of through holes into which the corner portions 3 a of the rubber plate 3 are inserted, and a convex protruding downward. 11 g and four pressing parts 11 h for pressing the rubber plate 3. The insertion hole 11f is an example of the “insertion portion” in the present invention. Moreover, the holding | suppressing part 11h has the edge part 11i.

  Here, in 2nd Embodiment, as shown in FIG. 22, the convex part 11g is formed so that it may become a cross shape seeing planarly. Further, as shown in FIGS. 21 and 23, the insertion hole 11f is formed wider than in the first embodiment. Also, as shown in FIG. 24, the width W2 of the insertion hole 11f is larger than the width W1 (see FIG. 9) of the insertion hole 1f of the first embodiment, so that the rubber is larger than that of the first embodiment. The shape is such that the plate 3 can be easily inserted. Further, as shown in FIG. 24, the convex portion 11g has a vertex 11k, and the vertical length between the vertex 11k of the convex portion 11g and the lower surface 1d of the bottom surface portion 1b of the housing 1 is L2. is there.

  In the second embodiment, the flat rubber plate 3 is attached to the rubber plate attachment portion 11e as shown in FIGS. The length L2 (about 0.4 mm) in the vertical direction between the apex 11k of the convex portion 11g and the lower surface 1d of the bottom surface portion 1b of the housing 1 is based on the thickness t3 (about 0.8 mm) of the rubber plate 3. Therefore, as shown in FIG. 31, a part of the rubber plate 3 protrudes downward by t3−L2 = 0.4 mm from the lower surface 1d of the bottom surface portion 1b. Further, similarly to the first embodiment, the rubber plate 3 is in contact with the pressing portion 11h. Therefore, a frictional force acts between the pressing portion 11h and the rubber plate 3, so that the rubber plate 3 is fixed. Thereby, even if the width W2 of the insertion hole 11f is increased, the rubber plate 3 is difficult to be detached from the insertion hole 11f.

  In the second embodiment, as described above, the width W2 (see FIG. 24) of the insertion hole 11f can be increased by forming the convex portion 11g so as to have a cross shape when seen in a plan view. The rubber plate 3 can be easily attached.

(Third embodiment)
34 to 37 are views for explaining details of the rubber plate mounting portion of the thermal transfer printer having the rubber leg structure according to the third embodiment of the present invention. FIG. 38 is a cross-sectional view showing a case where a rubber plate is attached to a rubber plate attachment portion of a thermal transfer printer having a rubber leg structure according to the third embodiment of the present invention. 34 to 38, in the third embodiment, unlike the first embodiment, the edge portion 21l of the holding portion 21h and the side surface 21j on the convex portion 21g side of the opening portion 21i are seen in a plan view. An example in which the linear shape is formed will be described.

  In the third embodiment, as shown in FIGS. 34 to 38, the rubber plate mounting portion 21e includes an insertion hole 21f, a convex portion 21g, a pressing portion 21h, and an opening 21i on the upper surface 1c side of the insertion hole 21f. Have The insertion hole 21f is an example of the “insertion portion” in the present invention. The opening 21i has a side surface 21j on the convex portion 21g side, and the pressing portion 21h has an edge portion 21l.

  Here, in the third embodiment, as shown in FIGS. 34 and 35, the side surface 21j of the opening 21i and the edge portion 21l of the pressing portion 21h are linear when viewed in a plan view. For this reason, the convex part 21g has an octagonal shape when seen in a plan view. As shown in FIG. 36, the convex portion 21g has a vertex 21k, and the vertical length between the vertex 21k and the lower surface 1d of the bottom surface portion 1b of the housing 1 is L3 (about 0.4 mm). . Since the length L3 (about 0.4 mm) is smaller than the thickness t3 (about 0.8 mm) of the rubber plate 3, as shown in FIG. 38, a part of the rubber plate 3 is t3-L3 = 0.4 mm. It protrudes downward from the lower surface 1d of the bottom surface portion 1b. Thus, even if the rubber plate attachment portion 21e is formed, the same effect as that of the first embodiment can be obtained.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiment but by the scope of claims for patent, and all modifications within the meaning and scope equivalent to the scope of claims for patent are included.

  For example, in the above-described embodiment, an example in which the present invention is applied to a thermal transfer printer has been described. However, the present invention is not limited to this, and any article having a housing can be applied.

  Moreover, in the said embodiment, although the example which provided the convex part in the rubber plate attachment part so that an insertion hole may be arrange | positioned around was shown, this invention is not limited to this, A flat surface without providing a convex part You may make it a shape.

  Moreover, although the example which provided the insertion hole which penetrates a housing | casing bottom face part was shown as an example of the insertion part of this invention in the said embodiment, this invention is not restricted to this, The concave which does not penetrate a housing | casing bottom face part. A shaped insertion portion may be provided.

1 is a perspective view illustrating an overall configuration of a thermal transfer printer including a rubber leg structure according to a first embodiment of the present invention. It is a side view corresponding to FIG. FIG. 3 is a bottom view of FIG. 2. FIG. 5 is a cross-sectional view taken along line 50-50 in FIG. It is the perspective view which looked at the rubber-plate attachment part of the thermal transfer printer provided with the rubber leg structure by 1st Embodiment of this invention from the upper surface side. It is the perspective view which looked at the rubber-plate attachment part of the thermal transfer printer provided with the rubber leg structure by 1st Embodiment of this invention from the lower surface side. FIG. 6 is a plan view corresponding to FIG. 5. FIG. 7 is a plan view corresponding to FIG. 6. It is sectional drawing along the 100-100 line of FIG. It is sectional drawing along the 150-150 line | wire of FIG. It is sectional drawing along the 200-200 line | wire of FIG. It is a perspective view which shows the rubber plate of the thermal transfer printer provided with the rubber leg structure by 1st Embodiment of this invention. It is the perspective view which looked at the state which attached the rubber plate to the rubber plate attachment part of the thermal transfer printer provided with the rubber leg structure by 1st Embodiment of this invention from the upper surface side. It is the perspective view which looked at the state which attached the rubber plate to the rubber plate attachment part of the thermal transfer printer provided with the rubber leg structure by 1st Embodiment of this invention from the lower surface side. FIG. 14 is a plan view corresponding to FIG. 13. FIG. 15 is a plan view corresponding to FIG. 14. FIG. 14 is a side view corresponding to FIG. 13. It is sectional drawing along the 250-250 line of FIG. It is sectional drawing along the 300-300 line | wire of FIG. It is sectional drawing along the 350-350 line | wire of FIG. It is the perspective view which looked at the rubber-plate attachment part of the thermal transfer printer provided with the rubber leg structure by 2nd Embodiment of this invention from the upper surface side. It is the perspective view which looked at the rubber-plate attachment part of the thermal transfer printer provided with the rubber leg structure by 2nd Embodiment of this invention from the lower surface side. It is a top view corresponding to FIG. FIG. 24 is a cross-sectional view taken along line 400-400 in FIG. It is sectional drawing along the 450-450 line | wire of FIG. It is sectional drawing along the 500-500 line of FIG. It is the perspective view which looked at the state which attached the rubber plate to the rubber plate attachment part of the thermal transfer printer provided with the rubber leg structure by 2nd Embodiment of this invention from the upper surface side. It is the perspective view which looked at the state which attached the rubber plate to the rubber plate attachment part of the thermal transfer printer provided with the rubber leg structure by 2nd Embodiment of this invention from the upper surface side. It is a top view corresponding to FIG. FIG. 29 is a plan view corresponding to FIG. 28. FIG. 30 is a cross-sectional view taken along line 550-550 in FIG. 29. FIG. 30 is a cross-sectional view taken along line 600-600 in FIG. 29. FIG. 30 is a cross-sectional view taken along line 650-650 in FIG. 29. It is the top view which looked at the rubber-plate attachment part of the rubber leg structure by 3rd Embodiment of this invention from the upper surface side. It is the top view which looked at the rubber-plate attachment part of the rubber leg structure by 3rd Embodiment of this invention from the lower surface side. FIG. 37 is a cross-sectional view taken along line 700-700 in FIG. 34. FIG. 35 is a cross-sectional view taken along line 750-750 in FIG. 34. It is sectional drawing which shows the state which attached the rubber plate to the rubber plate attachment part of the rubber leg structure by 3rd Embodiment of this invention. It is a perspective view which shows the whole structure of the thermal transfer printer provided with the rubber leg structure in an example of the past. It is a perspective view which shows the attachment method of the rubber leg of the thermal transfer printer provided with the rubber leg structure in a conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 1b Bottom face part 1d Bottom face 1e Rubber board attachment part 1f Insertion hole (insertion part)
1g Convex 1h Presser 1k Vertex 3 Rubber plate 3a Corner
4 Printing Department

Claims (6)

In an image forming apparatus having a housing with a built-in printing unit,
A rubber plate mounting portion integrally provided on the bottom portion of the housing and having four insertion portions;
A rubber plate formed into a rectangular shape having four corners respectively inserted into the four insertion portions of the rubber plate mounting portion;
The rubber plate mounting portion includes a plurality of the insertion portions arranged around and projecting downward.
The length in the vertical direction between the top of the convex part and the lower surface of the bottom part of the housing is smaller than the thickness of the rubber plate,
The rubber plate mounting portion has a pressing portion for pressing the inserted rubber plate at a position corresponding to the insertion portion,
The image forming apparatus, wherein the insertion portion is located between the convex portion and the pressing portion, and the width of the insertion portion is larger than the thickness of the rubber plate. A rubber plate mounting portion integrally provided on the bottom surface of the housing and having a plurality of insertion portions;
A rubber leg structure comprising: a rubber plate having a plurality of corners inserted into a plurality of insertion portions of the rubber plate mounting portion. The rubber plate mounting portion includes a plurality of the insertion portions arranged around and projecting downward.
The rubber leg structure according to claim 2, wherein a length in a vertical direction between an apex of the convex portion and a lower surface of the bottom surface portion of the housing is smaller than a thickness of the rubber plate.   The rubber leg structure according to claim 2 or 3, wherein the rubber plate mounting portion has a pressing portion for pressing the inserted rubber plate at a position corresponding to the insertion portion. The rubber plate mounting portion includes a plurality of the insertion portions arranged around and projecting downward.
The rubber leg structure according to claim 4, wherein the insertion portion is located between the convex portion and the pressing portion, and the width of the insertion portion is larger than the thickness of the rubber plate. The rubber plate is formed in a rectangular shape having the four corners,
The rubber leg structure according to any one of claims 2 to 5, wherein the rubber plate mounting portion has four insertion portions into which four corner portions of the rubber plate are respectively inserted.

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